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DSM ExteriorsSiding contractor in Thorold, ON

DSM Exteriors is a siding contractor in Thorold, ON, ranked #26 of 268 siding contractors in Thorold and rated 5.0 from 4 Google reviews. Open 7 days a week.

Thorold, ONUpdated 0 paid placements in any rankingHow we rank

Call (289) 971-1167Website ↗

Key facts

Key facts about DSM Exteriors
Phone(289) 971-1167
Websitedsmexteriors.ca
HoursMonday to Sunday: 8 AM – 5 PM
Google rating5.0 from 4 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • Sidingmain tradeGoogle main category
  • Guttersadditional Google category

Service area

Serves Thorold and 12 towns within 64 km: Hamilton, Binbrook, Ancaster, Burlington, Oakville, Milton, Brantford, Mississauga, St. Catharines, Cambridge, Brant and Paris.

Based in Thorold, ONView on map

Opening hours

Opening hours for DSM Exteriors
DayHours
Monday8 AM – 5 PM
Tuesday8 AM – 5 PM
Wednesday8 AM – 5 PM
Thursday8 AM – 5 PM
Friday8 AM – 5 PM
Saturday8 AM – 5 PM
Sunday8 AM – 5 PM
  • Open evenings — no
  • Open Saturdays
  • Open Sundays

Typical siding prices

Typical siding prices
JobLowTypicalHigh
Siding replacementPer house: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026)CA$7,810CA$16,290CA$24,910

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby siding contractors

DSM Exteriors compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
DSM Exteriors (this business)—565.0 (4)—YesYes
Lincoln Contractors | Siding, Windows & Eavestrough#24564.9 (42)—YesNo20.0 km
AAR Roofing & Siding#25564.8 (16)—YesNo47.3 km

See all 268 ranked siding contractors in Thorold

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 4 Google reviews

Hired DSM Exteriors? Write a review

Questions about DSM Exteriors

How is DSM Exteriors ranked in Thorold?

DSM Exteriors is ranked #26 of 268 siding contractors in Thorold by CR Score, with 56 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are DSM Exteriors’ hours?

DSM Exteriors is open 7 days a week. Its listed hours are Monday to Sunday, 8 AM – 5 PM. On Saturdays it is open 8 AM to 5 PM, and on Sundays 8 AM to 5 PM. Hours come from the business listing; holiday hours may differ.

What areas does DSM Exteriors serve?

Serves Thorold and 12 towns within 64 km: Hamilton, Binbrook, Ancaster, Burlington, Oakville, Milton, Brantford, Mississauga, St. Catharines, Cambridge, Brant and Paris. The list is based on the business's location and the usual service radius for siding. Confirm your address is covered when you call.

What do Google reviews say about DSM Exteriors?

DSM Exteriors has a rating of 5.0 from 4 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact DSM Exteriors?

Call DSM Exteriors on (289) 971-1167. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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