Insulation in Blainville
Compare 3 qualified businesses in Blainville in the insulation category. Read reviews, browse services and get free quotes.
Available contractors

Isolation Demrik inc.
Isolation Demrik is specialized in thermal insulation, soundproofing, fire-proofing and decontamination solutions for residential, commercial and industrial in the Greater Montreal area. Energy optimization and acoustic comfort improvement services.

MK Calfeutrage inc.
MK Calfeutrage inc. specializes in caulking and sealing of residential, commercial and industrial buildings. The company offers sealing services for doors, windows and coverings to prevent water and air infiltration, improve thermal insulation and reduce energy expenses.
Le Gars de Laine inc.
Le Gars de laine is a contractor specializing in the installation of mineral wool (glass and rock) for residential insulation. Intervenes on construction and expansion projects: insulation of walls, walls, ceilings, roofs, installation of vapor barriers and insulation of windows in urethane.
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Frequently Asked Questions
My house is new. Is there really anything to gain?▾
Often yes, especially on air sealing. Leaks around hatches, recessed lights and ducts are common even in a well-insulated home.
Does the attached garage wall matter?▾
Yes, for heat and air quality. Poor sealing lets cold and garage fumes into the house.
Should the air exchanger be adjusted after work?▾
Yes. A tighter house needs air renewal set appropriately, adjusted by season.
How do I find where the leaks are?▾
A blower door test locates them precisely. That is the reliable method, rather than guessing where air gets in.
How do I verify a contractor is licensed?▾
Ask for the RBQ licence number and search the Régie du bâtiment du Québec public registry.
Insulation in Blainville: what to know
Blainville homes are recent and already better insulated than the Quebec average. Gains come less from insulation thickness than from air sealing and details.
Air leaks
Attic hatch, recessed lights, duct penetrations, window perimeters: these are where heat escapes even in a well-insulated house. Correcting them costs little and improves comfort immediately.
The attached garage
The wall between garage and house is often the weak link, for heat and for air quality alike. Checking it is worth the visit.
Ventilation
The tighter the house, the more the air exchanger matters. Filters, flow and maintenance belong to the insulation file.
Licence
The contractor must hold a Régie du bâtiment du Québec licence, liability insurance and a CNESST clearance.
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