Custom Installations Review for Tile and slate roofing specialists

The research in brief

Custom Installations is a good fit for a high-end homeowner in Chicagoland, Metro Milwaukee, or Northwest Indiana who needs natural slate, clay tile, synthetic slate, or historical restoration work - subject to verification. Three of seven platforms named the company during the ranking stage (Claude, Grok, Kimi), a 42.9% share of included platform responses, at an average listed rank of 5.33 and a best listed rank of 4. The strongest reason to consider it is its stated dual capability in natural premium materials (Vermont slate, Ludowici clay tile) and certified synthetic systems (Brava, DaVinci), plus advertised historical-restoration and material-matching work. The main limitation is thin independent evidence: most claims come from company-owned pages, and pricing, structural-engineering documentation, and written warranty terms are not publicly available.

Research Snapshot

Why Custom Installations Qualified for This Study

Questions explored

• Why did Custom Installations qualify as a tile and slate roofing specialist in this study?
• How many AI platforms named Custom Installations for tile and slate roofing work?

Custom Installations qualified because it was named during the ranking stage by three of the seven included platforms - Claude, Grok, and Kimi - clearing the two-mention minimum for inclusion. Its listed ranks were 6 (Claude), 4 (Grok), and 6 (Kimi), producing an average listed rank of 5.33 and a best listed rank of 4.

Qualification was based on the company's stated service scope rather than independently audited performance. Its own pages describe full slate and tile installation, repair, and restoration, plus decades of local roofing experience ^[21]. The company also states it works with Vermont, Spanish, and synthetic slate and offers full slate installation, repair, and restoration ^[21].

The remaining four platforms - ChatGPT, DeepSeek, Gemini, and Perplexity - evaluated the company's fit but did not name it during ranking discovery, so they are excluded from the mention count. This distinction matters: fit evaluation and ranking discovery are separate signals, and only the latter feeds the mention statistics above.

The service or product in focus

Questions explored

• Which Custom Installations service is most relevant for a homeowner with a brittle tile or slate roof needing repair?
• Does Custom Installations offer natural slate, clay tile, and synthetic slate options for high-end homes?

The most relevant offering is Custom Installations' natural and synthetic slate and tile roofing service line, which the platforms consistently described as including clay tile installation, slate installation, repair, restoration, historical restoration, custom architectural tile work, and Brava/DaVinci synthetic slate ^[21].

Platforms converged on the same core product set. Anthropic described natural and synthetic tile roofing systems including Ludowici, Vermont slate, Brava, and DaVinci, plus custom architectural tile work, historical restoration and repair, slate roof installation and repair, and rubber slate roofing ^[19]. Grok described Ludowici clay tile systems, natural and synthetic tile roofing including Ludowici and Vermont slate, and custom architectural tile work ^[13]. Kimi described Ludowici clay tile, Vermont slate, natural and synthetic tile roofing, custom architectural tile work, and historical restoration ^[13]. Perplexity described Ludowici clay tile, natural and synthetic tile roofing, natural and synthetic slate roofing, and historical restoration ^[16].

The company's own pages state it specializes in natural and synthetic tile systems including Ludowici and Vermont slate, and lists certified installer status for Ludowici, Brava, and Vermont Slate ^[19]. It also states it is a certified installer for Brava and DaVinci synthetic slate and presents synthetic slate as a lighter alternative to natural slate ^[15].

One conflict is unresolved. The ranking-stage description referenced Ludowici and Vermont slate, but the reviewed Custom Installations pages mention Vermont slate without verifying Ludowici-specific sourcing or certification ^[10]. Anthropic, Grok, Perplexity, Kimi, and Gemini all reported Ludowici-related claims from company pages ^[19], while ChatGPT explicitly flagged the Ludowici claim as unverified in the pages it reviewed. Buyers who require Ludowici specifically should confirm certification directly with the manufacturer.

What the AI Platforms Agreed About

Questions explored

• What did the AI platforms agree on about Custom Installations for tile and slate roofing?
• Is Custom Installations considered a specialist in historical slate and tile restoration?

Platforms agreed on several points, though the agreement rests largely on company-owned sources rather than independent verification.

Specialty scope. All seven platforms described Custom Installations as offering slate and tile roofing services, including installation, repair, and restoration ^[21].

Historical restoration. Multiple platforms reported historical-restoration positioning. The company advertises historical restoration involving failing slate or tile systems and states it works with suppliers providing slate, tile, copper, and custom millwork ^[11]. It also states it has worked on historically significant properties on Chicago's North Shore ^[2]. Perplexity reported period-accurate restoration and matching of texture, tone, and profile ^[11].

Material matching and sourcing. The company states it specializes in sourcing and matching slate types for spot repairs or full historical restorations, ensuring consistency in color, thickness, and finish ^[16]. It also states it assesses slate and tile roofs, performs individual slate repairs, and can source and match slate for repairs or historical restorations ^[21].

Regional service area. Platforms agreed the company serves Chicagoland and Metro Milwaukee, with Illinois and Wisconsin offices listed publicly ^[21]. One independent directory listing describes service from the North Shore of Chicago to Metro Milwaukee ^[25].

Synthetic alternatives. The company states it is a certified installer for Brava and DaVinci synthetic slate ^[15], and its synthetic roofing page describes specialization in synthetic shake and slate using Brava and DaVinci ^[17].

Agreement among platforms does not establish product quality. Because most of these claims trace back to the company's own website, the consensus reflects consistent reading of the same source material rather than independent corroboration.

Where the AI Platforms Disagreed or Were Uncertain

Questions explored

• Where do AI platforms disagree about Custom Installations' structural load handling for slate roofs?
• Is Custom Installations' lifetime workmanship guarantee verified by independent sources?

Structural load handling. This is the sharpest unresolved issue. OpenAI found that the company discusses weight strain and structural considerations for slate roofs but that reviewed public materials do not clearly state whether every project includes a licensed structural-engineer evaluation, stamped calculations, or roof-framing reinforcement when required ^[21]. Anthropic found the company claims systems are selected to meet the home's structural needs but located no specific technical documentation on load calculations or reinforcement protocols ^[19]. Deepseek found no public documentation of structural load evaluation or reinforcement practices at all ^[13]. Perplexity found no page stating how the company evaluates roof framing or load capacity ^[16]. Kimi could not confirm any structural engineering review process ^[13]. Google, by contrast, reported that the company evaluates whether a home's framing is structurally engineered to support the weight of natural slate and tile, and that it checks whether the structure is slate-ready or needs reinforcement ^[18]. Grok similarly reported that the team evaluates roof structure during inspection and can recommend reinforcement ^[13]. The disagreement is between platforms that found a stated evaluation step and platforms that found no documented engineering process. Both can be true: an inspection-level evaluation is not the same as stamped engineering calculations.

Warranty terms. The company advertises a lifetime workmanship guarantee on new slate installations and states it is licensed, insured, and certified ^[21]. However, the public materials reviewed did not show written exclusions, coverage limits, or transferability ^[21]. Anthropic reported a 10-year workmanship warranty on general roofing projects alongside the lifetime guarantee on new installations ^[12]. No platform located independent verification of the guarantee's terms.

Company history. The company website uses different experience statements, including over 50 years and service since 1969; these are broadly consistent but not independently verified ^[21]. Anthropic noted a minor discrepancy where one source states in business since 1967 while company branding indicates 1969 ^[2].

Ludowici certification. As noted above, ChatGPT could not verify Ludowici-specific sourcing or certification in the pages it reviewed ^[10], while other platforms reported Ludowici claims from company pages.

Independent evidence volume. Public review counts and ratings vary by platform and are not directly comparable ^[21]. HomeAdvisor lists natural-slate installation, replacement, and repair among the company's services and reports a small number of positive reviews; Houzz lists slate and tile roofing services ^[27]. Anthropic reported a 4.9 out of 5 rating on GAF with 202 reviews and a 5.0 rating on HomeAdvisor ^[26]. These figures come from different platforms with different review populations and should not be treated as equivalent.

Features for this home service need

Questions explored

• Does Custom Installations have the capability to repair brittle slate tiles without cracking additional tiles?
• What certifications does Custom Installations hold for tile and slate roofing installation?

Tile and slate installation expertise. The company states it performs full slate and tile installation, repair, and restoration and has decades of local roofing experience; its clay-tile page positions the service for long-lived, high-end and historic applications ^[21]. It states crews are trained in old-world installation techniques and modern moisture management ^[19]. It also claims hand-nailed slate installations with no shortcuts ^[16].

Structural load handling. The company discusses weight strain and structural considerations for slate roofs ^[21]. Google reported that the company evaluates whether a home's framing is structurally engineered to support the weight of natural slate and tile ^[18]. No platform located stamped load calculations or a documented engineering-review process.

Aesthetic matching. The company states it specializes in sourcing and matching slate types for spot repairs or full historical restorations, ensuring consistency in color, thickness, and finish ^[16]. It also claims it can match texture, tone, profile, and architectural detail for custom projects and historical restoration ^[10]. Public materials do not independently verify specific Ludowici products, custom color matching, or a particular tile manufacturer relationship ^[13].

Specialty material sourcing. The company states it works with suppliers providing slate, tile, copper, and custom millwork for restoration purposes ^[11]. It names Ludowici, Vermont slate, Brava, DaVinci, and rubber slate products ^[19]. It also states it fabricates custom flashing, copper valleys, and trim on-site ^[20].

Repair capability for brittle materials. The company states it assesses slate and tile roofs, performs individual slate repairs, and can source and match slate for repairs or historical restorations ^[21]. These are company claims; public sources do not provide independently audited repair outcomes ^[21].

Certifications and licensing. The company states it is licensed, bonded, and fully insured in Illinois and Wisconsin and certified by GAF Master Elite, Ludowici, Brava, Vermont Slate, James Hardie, CertainTeed, and DaVinci ^[12]. It holds Illinois state license 104.019878 ^[26]. GAF lists it as a certified contractor ^[26]. These certification claims are company-stated except for the GAF listing, which appears on GAF's own site.

Pricing, contracts, and ongoing costs

Questions explored

• How much does Custom Installations charge for slate tile repair, and is there a published price list?
• What contract, deposit, and cancellation terms does Custom Installations require before starting a tile roof project?

Pricing transparency is low across all platforms. No public price list or reliable cost range was found for natural slate, clay tile, synthetic slate, repairs, structural work, or historical restoration ^[21]. The company promotes free, no-obligation estimates, but no public pricing, unit rates, minimum project charges, financing terms, or typical total-cost ranges were found ^[21].

Known costs. A free estimate is advertised ^[21]. A promotional rate of $579 for replacement of up to 10 slate or clay tiles is listed ^[16]. Anthropic reported that the promotional pricing is stated as a limited-time offer but no expiration date was provided ^[16]. Google reported a typical job cost range from $400 to $350,000 for exterior remodeling and slate/tile services in the Chicagoland area, sourced from an independent directory listing ^[28].

Industry baselines (not company pricing). Natural slate roof costs $10–$30 per square foot installed ^[30]. Anthropic also reported industry baselines of $10–$18 per square foot for Ludowici clay tile and $9–$12 per square foot for synthetic slate, with an average 1,500 sq ft home slate roof at $30,000 and a range of $7,500–$45,000+ ^[30]. These are third-party industry figures, not Custom Installations quotes.

Additional fees. Potential project-specific charges include structural repairs or reinforcement, custom or historically matched materials, copper flashing and valleys, scaffolding, permits, disposal, and concealed-decking repairs; amounts are unclear ^[21]. Anthropic reported that a trip charge may apply on some vendor listings, tear-off of the old roof is not included in base estimates, structural reinforcement for slate systems typically ranges $1,000–$10,000, and custom flashing and valley work likely carries premium pricing with no specific amounts disclosed ^[16].

Contract and cancellation terms. Contract duration, deposit requirements, payment schedule, change-order process, cancellation rights, delay provisions, and warranty-transfer terms were not found in the reviewed public materials ^[21]. No public contract, deposit, warranty, or cancellation terms were found on the pages checked by Perplexity ^[16]. The company's terms page addresses site use, indemnity, and governing law, not project contracts (official:C2).

Warranty. The company advertises a lifetime workmanship guarantee on new installations plus manufacturer warranties ^[12]. Ludowici clay tiles carry a 75-year material warranty according to the manufacturer ^[24]. The exact warranty exclusions, transferability, insurer, license jurisdictions, and certification documents were not verified in the reviewed sources ^[21].

Best Suited For

Questions explored

• Who is Custom Installations best suited for in tile and slate roofing?
• Is Custom Installations a good choice for a historic home needing slate restoration in Chicagoland?

Custom Installations is best suited for high-end or historic homes in Chicagoland, Metro Milwaukee, or Northwest Indiana ^[21]. The company identifies these as its primary service areas, with Illinois and Wisconsin offices listed publicly ^[21].

Specific fits include natural slate installation, repair, replacement, and restoration ^[21]; clay tile roofs where architectural appearance and restoration experience matter ^[13]; projects needing copper flashing, valleys, custom detailing, or synthetic slate alternatives ^[21]; and historic homes requiring period-accurate restoration with matching texture, tone, and profile ^[11].

The company also frames its work as suitable for premium homes, landmark properties, architect-designed builds, and historical properties ^[10]. It states it has worked on historically significant properties on Chicago's North Shore, as well as churches and public buildings requiring preservation techniques ^[2].

Buyers who want both natural and synthetic options from one contractor may find the dual capability useful: the company states it handles Vermont slate and Ludowici clay tile alongside Brava and DaVinci synthetic systems ^[19].

Probably Not Best Suited For

Questions explored

• Who should not choose Custom Installations for tile and slate roofing work?
• Is Custom Installations suitable for a homeowner outside Illinois and Wisconsin?

Homeowners outside the stated Illinois, Wisconsin, and Northwest Indiana service region should not choose Custom Installations ^[21]. The company serves Chicagoland and Metro Milwaukee only, with no national presence or service expansion indicated ^[7].

Buyers requiring publicly documented Ludowici-specific installation credentials or a published price schedule are also poorly served ^[21]. No public pricing, unit rates, minimum project charges, financing terms, or typical total-cost ranges were found ^[21].

Projects where a local contractor has stronger independently verified structural-engineering, manufacturer-certification, or natural-slate trade-association evidence may be better served elsewhere ^[21]. Independent review and trade-credential evidence is limited compared with the company's own claims ^[21].

Buyers who need transparent pricing or fixed-scope online purchase terms should look elsewhere ^[16]. Kimi rated the company's fit as uncertain, citing no independent evidence of actual tile/slate specialization depth, no verified certifications or manufacturer partnerships documented publicly, and no transparent pricing, warranty terms, or service area information ^[13].

When Another Option May Be Better

Questions explored

• What is a better alternative to Custom Installations if the buyer is outside the Midwest?
• When should a buyer choose a different tile and slate roofing contractor instead of Custom Installations?

Another option may be better in several specific situations.

Outside the service region. If the home is outside Custom Installations' stated service area, a regional or national tile and slate roofing specialist with broader geographic coverage is needed ^[21]. Buyers in California, the Southwest, the Southeast, or other regions may find regional competitors with better local expertise and faster service ^[7].

Verified certification required. If the buyer requires an independently certified or manufacturer-approved tile/slate installer with published credentials, a competitor with documented certifications may be preferable ^[13]. Kimi noted that competitor Tiley Roofing explicitly lists Ludowici certification ^[22].

Documented engineering required. If the project requires formally documented structural-engineering processes, landmark-preservation approvals, or manufacturer-specific certification that Custom Installations cannot document, another contractor may be better ^[21]. Buyers needing published load calculations and structural engineering documentation for slate/tile installations should look for a contractor that provides them ^[7].

Transparent pricing required. If the buyer wants competitive bids with transparent unit pricing and detailed published warranty terms, another option may be better ^[21]. Buyers requiring detailed, publicly available pricing before requesting in-person estimates should consider alternatives ^[7].

Reclaimed material matching. If reclaimed historic material matching is critical, specialists that maintain documented reclaimed inventories may be preferable ^[1]. Kimi cited St. Louis Slate & Tile Roofing as maintaining thousands of reclaimed units ^[1].

Budget constraints. If budget constraints favor lower-cost alternatives, premium pricing typical for Custom Installations' market positioning and expertise level may not fit ^[7].

Questions to ask before choosing a provider

Questions explored

• What should a buyer confirm with Custom Installations before signing a tile or slate roofing contract?
• How can a homeowner verify Custom Installations' structural load procedures and warranty terms?

The platforms collectively generated a substantial verification list. The recurring themes are material specification, structural process, warranty terms, and pricing.

Material specification. Confirm whether the proposed system will be natural slate, clay tile, concrete tile, Brava, DaVinci, or another product, and what exact manufacturer, profile, grade, color, and accessories will be used ^[21]. Ask whether the company can document Ludowici availability or an equivalent premium tile source if that material is required ^[21]. Confirm which materials are in-house versus special order ^[16].

Structural process. Ask who performs the structural-load evaluation and whether the buyer will receive stamped calculations or written confirmation of required reinforcement ^[21]. Ask what specific reinforcement or decking upgrades are required for slate installations and what they typically cost ^[7]. Ask what the policy is if structural reinforcement is needed beyond the initial estimate ^[13].

Repair and matching. Ask how existing slate or tile will be removed, sorted, reused, matched, and protected from breakage ^[21]. Ask how the company sources slate for historical restorations, what quarries or suppliers it works with, and whether it can match specific slate types ^[7]. Ask whether the company guarantees material matching for partial roof repairs on existing slate systems ^[7].

Warranty. Ask what the written workmanship and manufacturer warranties are and whether they are transferable ^[21]. Ask what the exact scope of the lifetime workmanship guarantee is, whether it transfers to new homeowners, and what exclusions or conditions apply ^[7]. Ask what manufacturer warranties apply to each material type and whether Custom Installations honors them fully ^[7].

Pricing and contract. Ask what deposits, payment milestones, change-order rules, completion dates, cancellation terms, and concealed-condition allowances apply ^[21]. Ask what the itemized pricing, deposit schedule, and change-order/cancellation policy are ^[13]. Ask when the promotional $579 offer for 10-tile replacement expires and what its terms are ^[16].

Credentials and references. Ask whether the listed licenses, insurance, certifications, and Brava/DaVinci installer status are current for the project location ^[21]. Ask for recent local references for comparable natural-slate, clay-tile, repair, and historic-restoration projects ^[21]. Ask how many natural slate and clay tile roofs the company has installed in the past 24 months ^[13].

Scope and logistics. Ask what underlayment, battens, fasteners, flashing metals, valley details, ventilation, and snow or ice protection are included ^[21]. Ask what historic-preservation, permit, inspection, and architectural-review requirements apply ^[21]. Ask what the typical timeline from estimate to project completion is for a full slate or tile roof installation ^[7].

The consensus assessment

Custom Installations is a good fit for tile and slate roofing work in its regional market, subject to verification. The company presents relevant specialty capabilities across natural slate, clay tile, synthetic slate, and historical restoration, and it was named by three of seven platforms during the ranking stage at an average listed rank of 5.33.

Platform fit ratings ranged from strong to uncertain: Claude and Gemini rated it strong, ChatGPT and Perplexity rated it good, DeepSeek and Grok rated it mixed, and Kimi rated it uncertain. That spread reflects the central issue - the company's own pages describe a broad and relevant capability set, but independent corroboration is limited, and several material claims (Ludowici certification, structural-engineering process, warranty terms, pricing) remain unverified in public sources.

The buyer should not rely solely on the company's marketing claims. Obtain written confirmation of material sourcing, structural-load procedures, warranty terms, project-specific references, and the complete contract before selecting it ^[21]. Buyers outside Illinois, Wisconsin, and Northwest Indiana cannot use this company at all ^[7].

For broader context on how this company compares with other specialists evaluated for the same use case, see the Tile and slate roofing specialists consensus index. Additional provider reviews are organized in the roofing services category directory.

How This Review Was Produced

This review was produced from seven AI platform responses collected for the tile and slate roofing specialists use case, with a run research date of 2026-09-30. Each platform evaluated Custom Installations against the same criteria: tile and slate installation expertise, structural load handling, aesthetic matching, specialty material sourcing, and repair capability for brittle materials.

Three of the seven platforms named the company during the ranking stage: Claude (rank 6), Grok (rank 4), and Kimi (rank 6). The remaining four platforms - ChatGPT, DeepSeek, Gemini, and Perplexity - evaluated fit but did not name the company during ranking discovery.

Platform fit ratings were: Claude strong, Gemini strong, ChatGPT good, Perplexity good, DeepSeek mixed, Grok mixed, Kimi uncertain. These ratings are platform-reported and were not independently verified.

Citations in this review are platform-reported evidence, not independently verified facts. Company-owned citations materially outnumber independent citations in the supplied research, and company claims are not described here as independently verified.

Research limitations

Several limitations apply to this review.

Source ownership imbalance. Company-owned citations materially outnumber independent citations. Most capability claims trace back to Custom Installations' own website, so platform agreement often reflects consistent reading of the same source material rather than independent corroboration.

Platform-reported research dates differ from the run date. The authoritative run research date is 2026-09-30. Six platforms reported that date; DeepSeek reported 2026-06-11. Platform-reported dates are provenance metadata and do not independently prove freshness.

No-search platform. Deepseek's research capability record shows search disabled, so its findings rely on model knowledge rather than retrieved pages. Its claims should be treated as platform-reported and verified before being described as current facts.

Unvalidated URLs. The supplied URLs were collected from platform responses and were not independently validated by the writer stage.

Missing pricing and contract data. No platform located public pricing, contract terms, deposit schedules, or cancellation policies for Custom Installations' tile and slate services. The absence of this information in the reviewed sources does not prove it does not exist.

Unresolved conflicts. The Ludowici certification question, the structural-engineering process question, and the warranty-terms question remain unresolved across platforms. This review describes the conflict rather than resolving it.

Review-count comparability. Public review counts and ratings vary by platform and are not directly comparable.

Ranking versus fit. Platform mentions in the ranking stage count only platforms that named the entity during ranking discovery. Fit evaluation and ranking discovery are separate signals.

Sources

Company-Owned Sources

1. About Us - St. Louis Slate & Tile Roofing: https://slatetile.com/about-us/
2. About Us - Custom Installations: https://www.custominstallations.com/about-us/
3. Awards: https://www.custominstallations.com/about-us/awards/
4. DaVinci vs. Slate for Cold-Weather Durability in Mequon: https://www.custominstallations.com/blog/davinci-vs-slate-roofing-which-offers-better-cold-weather-protection-in-mequon/
5. Successfully Replacing a Roof While on a Budget: https://www.custominstallations.com/blog/successfully-replacing-a-roof-while-on-a-budget/
6. Frequently Asked Questions - Custom Installations: https://www.custominstallations.com/frequently-asked-questions/
7. Locations - Custom Installations: https://www.custominstallations.com/locations/
8. Promos | Custom Installations: https://www.custominstallations.com/promos/
9. Reviews | Custom Installations: https://www.custominstallations.com/reviews/
10. Residential Roofing Chicago & Milwaukee | Custom Install: https://www.custominstallations.com/roofing-services/residential-roofing/
11. Historical Roof Restoration Chicago | Custom Installations: https://www.custominstallations.com/roofing-services/residential-roofing/historical-restoration-roofing/
12. Roof Installation Chicago & Milwaukee - Custom Installations: https://www.custominstallations.com/roofing-services/residential-roofing/roof-installation/
13. Clay Tile Roofing | Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/clay-tile-roofing/
14. EPDM Roofing - Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/epdm-roofing/
15. Rubber Slate Roofing | Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/rubber-slate-roofing/
16. Slate Tile Roofing Chicago & Milwaukee | Custom Install: https://www.custominstallations.com/roofing-services/types-of-roofing/slate-tile-roofing/
17. Synthetic Roofing - Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/synthetic-roofing/
18. Brava Roof Installation: https://www.custominstallations.com/roofing-services/types-of-roofing/synthetic-roofing/brava-roof-installation/
19. Tile Roofing - Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/tile-roofing/
20. Wood Roofing | Custom Installations: https://www.custominstallations.com/roofing-services/types-of-roofing/wood-roofing/
21. Slate & Tile Roofing | Custom Installations Inc: https://www.custominstallations.com/services/slate-tile-roofing/
22. Denver's Premier Tile & Metal Roofing Craftsmen: https://www.tileyroofing.com/
23. Official pricing and terms source: https://www.custominstallations.com/terms-conditions/

Independent Sources

24. LudoSlate - Ludowici Roof Tile: https://ludowici.com/product/ludoslate/
25. Custom Installations | Mundelein IL - Facebook: https://www.facebook.com/custominstallations/
26. GAF Certified Contractor - Custom Installations: https://www.gaf.com/en-us/roofing-contractors/residential/usa/il/mundelein/custom-installations-inc-1103455
27. Custom Installations, Inc. Reviews - Mundelein, IL: https://www.homeadvisor.com/rated.CustomInstallations.76239886.html
28. CUSTOM INSTALLATIONS - Project Photos & Reviews: https://www.houzz.com/pro/custominstallations
29. Custom Installations - Project Photos & Reviews: https://www.houzz.com/professionals/roofing-and-gutters/custom-installations-pfvwus-pf~1100905323
30. How Much Does A Slate Roof Cost - This Old House: https://www.thisoldhouse.com/roofing/slate-roof-cost