Desma Inc.
Doors and windowsSpecialty contractors
Call · 514 331-1055See also all the companies of West Island in Montréal.
Doors and windowsSpecialty contractors
Call · 514 331-1055Doors and windowsSpecialty contractors
Call · 514 970-0291Renovation, construction and general workDoors and windows
Call · 514 807-5139Ad · Featured placement · examplePreview only — this is not a contractor listing
Looking for a door and window contractor in Dorval? All 3 companies on the list are also listed in other trades: specialty contractors (2) and renovation, construction and general work (1).
In the Montréal region, 49 companies work in this trade across 7 cities; Dorval has 3 of them (3rd).
The choice is limited in Dorval. Companies from nearby cities in the region, such as Montréal (51), Laval (13) and Candiac (16), may also serve your area: ask them.
Useful guides: Weatherstripping and caulking: sealing air leaks · Renovation grants in Quebec 2026: LogisVert and Rénoclimat · Window replacement in Montréal: permits and rebates
Open data of the Régie du bâtiment du Québec as of November 3, 2026, updated every night.
Required licence, issuing body and subcategories for this trade: Doors and windows in Greater Montréal.
Source: Statistics Canada, 2021 Census, table 98-10-0233-01 (25% sample, rounded counts), Statistics Canada Open Licence.
Before you sign with a door and window contractor in Dorval: check the licence on the day, ask for written quotes and avoid large deposits. Printable checklist before you sign →