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Insulation Contractor in Hamilton

Insulation Contractor in Ontario
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All insulation contractor in Hamilton, ranked by score and relevance

We found 87 businesses offering insulation contractor in Hamilton; 7 met the criteria for the scored directory. The order weighs each business's overall score by how much of its reviewed work is insulation contractor, so a lower-scored specialist can rank above a higher-scored generalist.

Platinum Roofing & Exteriors Hamilton
#1
94

Platinum Roofing & Exteriors Hamilton

5.0(232)✓ Google-verifiedPublishes prices

Across dozens of recent jobs, customers report a consistently smooth experience from quote to completion. The owner Nick and crew members like John, Paul, and Justin are described as professional, detail-focused, and responsive to specific requests without pushback or delays. Work quality shows in finished roofs that neighbours notice, efficient crews who clean up fully, and follow-up photos and paperwork that document the job. Pricing sits in a competitive range ($8,000-$20,000 for full replacement per their website), and customers consistently say the final result justified the cost.

Roof RepairFlat & Commercial RoofingRoof Replacement & Installation
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Gateway Roofing
#2
90

Gateway Roofing

4.9(117)✓ Google-verified

Gateway Roofing delivers consistent quality across roof repairs, replacements, and gutter work. Reviewers consistently praise Jason (the owner) and his crew for transparent communication before and during projects, professional handling of urgent repairs, and craftsmanship that matches shingles seamlessly or finishes trim with precision. They show up on schedule, clean thoroughly after work, and follow through on warranties without hassle. The team manages difficult roof access calmly, prioritizes worker safety even when it extends timelines, and goes beyond typical service-inspecting damage caused by external events and providing detailed photo documentation. Pricing is described as fair and honest, with realistic advice about future needs rather than sales pressure. Named crew members like Jason, Ryan, and Kyle earn consistent mention for being considerate and pleasant to work with.

Roof RepairFlat & Commercial RoofingRoof Replacement & Installation
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Sameday Roofing
#3
90

Sameday Roofing

4.9(109)✓ Google-verified

Sameday Roofing delivers fast repairs and replacements with staff who know roofs inside out. Richard and his crew respond within hours, explain problems clearly, handle side jobs without hesitation, and leave sites spotless. Pricing sits mid-range locally, and customers repeatedly return them for trust and follow-up work. Reviewers highlight the red-uniformed crew's professionalism, PPE practices, and willingness to spot additional issues (loose vents, squeaky turbines, chimney closures). The business names names-Richard, Shane, Devon-and promises same-day or next-day scheduling. Minor roof repairs, emergency leaks, and full replacements all earn five-star ratings.

Roof RepairFlat & Commercial RoofingRoof Replacement & Installation
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Capela's Roofing
#4
86

Capela's Roofing

4.9(53)✓ Google-verified

From the first site visit through final handoff, reviewers encounter a crew that communicates clearly, protects their property, and removes every trace of debris. Silvestri and Johanna lead with transparency on cost and scope; Sylvestre, Chad, and others handle installs with precision on standard shingles and flat roofs alike, often completing jobs in a single day despite uncovering hidden damage like rotted wood. Multiple repeat clients return years later, trusting them with second roofs. The business has repaired roofs damaged by competitors and earned consistent praise for cleanup so thorough yards are left cleaner than before arrival. Payment terms are flexible (full cost only when finished), and warranty, insurance, and compliance claims are verified on their site.

Roof RepairFlat & Commercial RoofingRoof Replacement & Installation
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Gateway Exteriors Inc.
#5
72 low data

Gateway Exteriors Inc.

5.0(6)✓ Google-verifiedPublishes prices

All six reviews are five-star. Customers praise Jason and his crew for showing up promptly, walking through options without pressure, and finishing jobs cleanly. Siding, roofing, and eavestroughs are mentioned as particularly well executed.

Flat & Commercial RoofingRoof Replacement & InstallationRoof Repair
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Custom Contracting Roofing & Eavestrough Repair Hamilton
#6
68 low data

Custom Contracting Roofing & Eavestrough Repair Hamilton

4.4(14)✓ Google-verifiedPublishes prices

Most jobs receive strong praise for speed, cleanliness, and workmanship. Recent complaint reveals serious gaps: estimator disappeared after signing, project manager demanded double payment for scope dispute, and neither responded to emails. Earlier review flagged stains left on porch roof.

Roof RepairFlat & Commercial RoofingRoof Replacement & Installation
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Sarge Roofing & Contracting
#7
64 low data

Sarge Roofing & Contracting

5.0(3)✓ Google-verified

All three reviewers gave five stars. One crew showed up when other roofing companies didn't, delivered quality work, and went beyond what the job required. Evidence is limited: only three reviews across seven years, with minimal recent feedback.

Roof RepairRoof Replacement & InstallationResidential Roofing
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Last updated 2026-09-25