How quickly can Giant Roofing respond to a roof leak or storm damage?

Same-day estimates and temporary repairs. Full replacement typically completed within a few days.

Do they warrant their work?

Yes. Their website lists top-notch materials with long warranties and they also offer a labor guarantee backing their own work.

What areas do they serve?

Westville-based; recent reviews confirm service in New Haven and Seymour.

Giant Roofing

Updated 2026-08-26 · 7,286 reviewed · 1,143 listed · Scored from 11 Google reviews · How we rank ›

5.0(11) 76 composite score See reviews on Google

Flat & Commercial RoofingRoof RepairMetal RoofingRoof Replacement & InstallationGutters & Siding

Services: Flat & Commercial Roofing, Roof Repair, Metal Roofing
Reviews: 11

What recent reviews say

All 11 reviews rate Giant Roofing five stars. Customers praise the crew for arriving on time, working cleanly, and finishing quickly. Several note that technicians diagnose roof leaks other companies missed, explain conditions clearly without pressure, and stand behind their work with warranties. Pricing consistently described as fair; one reviewer noted they chose Giant Roofing because quality mattered more than being the cheapest option.

Praised for

professional and punctual crew
thorough problem diagnosis
fair pricing
clean jobsite
quality materials and workmanship

punctualfair-pricingskilled-workmanshipclean-jobsiteresponsive-communicationhonors-warrantylicensed-insured

Best for: homeowners with older roofs or persistent leaks needing diagnosis and professional replacement

Strengths

diagnoses complex leaks others miss
works same-day on emergencies
transparent communication with no pressure
labor warranty shows confidence in their work

Worth knowing

Uses top-notch materials with long warranties
Offers labor guarantee backing their work
Crew identified structural issues (rotted plywood, gutter problems) that other companies missed
Provides same-day emergency estimates and temporary patching

What reviews say by service

Metal Roofing: Two customers reported excellent metal roof installs that look striking and provide better storm protection
Roof Repair: Consistently located leak sources competitors missed; repairs held permanently without return problems
Gutters & Siding: One customer had entire gutter system replaced in one day after ice collapse
Roof Replacement & Installation: Multiple reviews praise quick, clean installs with attention to detail and quality materials
24/7 Emergency Roofing: Arrived same-day after storm damage and provided temporary patch while arranging full replacement
Roof Inspection & Insurance Claims: Identified underlying plywood rot and drainage problems that indicated where water damage was occurring

How it compares

Rated 5 against a 4.76 average across the 415 gutters & siding businesses listed here.
Has more Google reviews than 62% of the businesses in this directory.

How we scored this

Our Rubric

Star rating 87

Review volume 47

Review recency 89

Review sentiment 81

Profile completeness 75

Verification 0

Rating breakdown

Common questions

How quickly can Giant Roofing respond to a roof leak or storm damage?: Same-day estimates and temporary repairs. Full replacement typically completed within a few days.
Do they warrant their work?: Yes. Their website lists top-notch materials with long warranties and they also offer a labor guarantee backing their own work.
What areas do they serve?: Westville-based; recent reviews confirm service in New Haven and Seymour.

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