Roofing contractor
Nanotech Exteriors
1290 Arvin Ave. #14, Hamilton, ON L8E 0H7
Listed under Grimsby, ON
- Google average
- 5.0
- Ratings counted
- 3
- One and two star
- 0 of 3
- Ontario median
- Not comparable
The first three are Google’s own figures for Nanotech Exteriors, read on 24 September 2026; the share is of every rating Google has counted, not of the review texts on this page. The median is ours — the middle figure among the Ontario roofers we list with enough ratings to compare.
Rating breakdown
| 5 | 3 | 100% | |
|---|---|---|---|
| 4 | 0 | 0% | |
| 3 | 0 | 0% | |
| 2 | 0 | 0% | |
| 1 | 0 | 0% |
Too few ratings to compare against other roofers — at 3 ratings a single unhappy customer moves this figure by several points.
The critical reviews
The one and two-star reviews, first. These are what a star average hides, and they are the reason this page exists.
We hold no one or two-star review text for Nanotech Exteriors. That is not the same as there being none — it means our capture did not reach any. The rating breakdown above is Google’s own count and is the number to go on.
Other reviews we hold
3 more of the 3 reviews we hold text for, most recent first. We do not hold every review Google has.
- 5 out of 5Blair Gillespie2 months ago
Max and his crew were very professional very mindful of the surrounding property would highly recommend Nanotech.
Reply from the business
Thank you, Blair! We appreciate your 5 star review and your trust in Nanotech Exteriors. Max and the crew take pride in providing professional service while treating every property with care. Thanks for the recommendation!
- 5 out of 5Kristina Toomey2 months ago
Mateo explained the process and they delivered. As soon as the weather permitted they were out here and got the job done. Very respectful, easy to deal with and above all no surprises. I literally have a new roof at a fraction of the cost of new tiles. 10 year warranty clinched it for me. Highly recommend.
Reply from the business
Thank you, Kristina! We appreciate your kind words and are glad we could deliver on what was promised. Thank you for your patience with the weather and for trusting Nanotech Exteriors with your home.
- 5 out of 5Aprile Atkins4 months ago
They go up and beyond to help and goodness knows these days you need all the help you can get.
Reply from the business
We really appreciate this Aprile - thank you. You’re right, these days every bit of help matters, and we are glad we could be there for you when it counted. Regards Nanotech
The latest post from this business
Posted by Nanotech Exteriors to their own Google profile 2 months ago. Their words, not ours.
Got a $15K+ roof replacement quote? Before you commit, ask one more question: Does my entire roof actually need replacing? An aging roof can show wear without being at the end of its life. Depending on the condition of the shingles, rejuvenation may still be an option. Get the roof assessed. Understand your options. Then make the decision. A full replacement may be necessary—but it shouldn’t be the automatic first step. DM NanoTech today to see if your roof qualifies for rejuvenation. #NanoTechExteriors #RoofRejuvenation #RoofAssessment #RoofReplacement #CanadianHomes17 hours ago
What Nanotech Exteriors says about itself
Taken from the business’s own website. We have not checked any of it. These are quotes, not credentials — a roofer writing “licensed and insured” on their homepage is not evidence that they are.
Warranty offered
“…roof replacement 15-Year Warranty Complete peace of mind UV &…”
Free estimates
“…Wood Sealing Science About us Contact Free Quote Home Services Roof Rejuvenation…”
Other roofers in Grimsby
Ranked by how many ratings Google has counted.
| Roofing contractor | Google average | Ratings counted | One and two star | Contact |
|---|---|---|---|---|
| Niagara RoofMasters | Roofing & Eavestrough Beamsvilleanswering questions, quality work, roof replacement quote5.024 ratings0% one and two star(647) 277-4983 | 5.0 | 24 | 0%0 of 24 | (647) 277-4983 |
| Not Just Caulkingworkmanship, work, caulking5.024 ratings0% one and two star(888) 773-1661 | 5.0 | 24 | 0%0 of 24 | (888) 773-1661 |
| Beamsville Roofing & Exteriorsknowledgeable staff, roof repair, eavestroughs5.019 ratings0% one and two star(289) 208-3678 | 5.0 | 19 | 0%0 of 19 | (289) 208-3678 |
| Brasco Developments Inc.phone, door, email4.219 ratings21.1% one and two star(905) 643-0923 | 4.2 | 19 | 21.1%4 of 19 | (905) 643-0923 |
| David Latchford Construction Ltd.friendly staff, honesty, reasonable cost4.712 ratingstoo few to compare(905) 945-9106 | 4.7 | 12 | —too few | (905) 945-9106 |
| Stapleton Exteriorsroofing, quality of work, promptness5.011 ratingstoo few to compare(905) 598-5355 | 5.0 | 11 | —too few | (905) 598-5355 |
Where this page comes from
Every figure above is Google’s, captured on 24 September 2026. The star average and the 3 ratings behind it are counted by Google across all of its reviews. The review text on this page is a sample — we hold 3, of which 3 have any text — and it is not everything Google shows.
Roof Warden does not verify licenses, bonds, insurance or workers’ compensation cover, and nothing on this page should be read as though we had. Confirm those directly with the contractor and with your state or provincial licensing body before you hire anyone.
There is not much data on Nanotech Exteriors. A short record here means our capture found little — not that there is nothing to find, and not that the business is new or inactive.