Attic to roof: free detailed quote, grants handled for you, certified crews.
In Granby, between old housing stock and new neighbourhoods, replacing the roof and insulating the attic to R-50 sharply cut heat loss.
Around downtown and Lake Boivin, Granby lines up workers' homes, post-war cottages and recent suburbs. The Townships microclimate — thaws, freezing rain, deep cold — puts roofs and attics through the wringer.
As a specialized insulation and roofing contractor, we serve Granby and the whole region (Estrie): under-insulated attic, vermiculite to remove, roof at end of life — we take it all on, attic to roof, with a free detailed quote and your grants handled start to finish.
From the attic to the roof, one specialist to protect and improve your property.
Our core trade: blown cellulose and fiberglass to R-50, air-leak sealing and corrected ventilation for a healthy attic.
Learn moreRim joists, crawl spaces, basements: insulation and air barrier in one step, where performance matters most.
Learn moreSafe removal of vermiculite, asbestos and mould, insulation extraction and full restoration to R-50.
Learn moreIKO accredited asphalt shingles and Soprema elastomeric membrane — a complete system, coordinated with your insulation under one accountable contractor.
Learn moreUp to $1,500 with Hydro-Québec's LogisVert — and we handle the applications for you, start to finish.

Hydro-Québec's LogisVert program is the most popular insulation grant: up to $1,500 for work combining insulation and air sealing, with no energy assessment required beforehand. At Toiture & Isolation Provinciale we don't just tell you about it: we fill out and submit the application on your behalf, from eligibility check to confirmation. You receive your reference number by email — zero paperwork on your end.

The Réno-Climat program requires an energy assessment before and after the work, performed by a recognized advisor. Our detailed reports are rigorous, compliant and documented to the inch to maximize your insulation refund. We support you at every step until your grant is approved.
Amounts, conditions, which one to pick: see our insulation grants guide.
Flexible financing with 3 months with no payments and no interest, so you can start your project right away — the grant arrives after the work. Subject to credit approval.
Get my detailed quoteFrom the assessment to the grant application, we take care of everything — you enjoy the result.
Your request is taken care of within 5 minutes, and an expert comes in Granby within 24-48 h: inspection, measurements, photos — the real condition documented.
A fixed-price contract, delivered at the end of the visit: scope described by square foot, products specified, one firm price. Zero waiting, zero surprises.
Our accredited crews do the job cleanly, on the agreed schedule, and leave the site spotless.
We fill out and submit your LogisVert or Réno-Climat application. You receive your reference number by email — zero paperwork.
Hundreds of homeowners across Quebec put their trust in us.
Attics, lofts, commercial buildings: a glimpse of our work across Quebec.
Attic at R-50 · Blown insulation, depth markers
Residential attic · Blown cellulose R-50
Building insulation · Spray foam · air barrier
Commercial flat roof · Soprema elastomeric membraneEvery home is different. We come out to Granby, measure the existing insulation and you receive a free detailed fixed-price contract — scope by sq. ft., firm price — not a ballpark over the phone.
Yes: Hydro-Québec's LogisVert applies everywhere in Quebec for residential customers — up to $1,500 for work combining insulation and air sealing, with no prior assessment. We check your eligibility and file the application for you.
Yes — IKO RoofPro shingles and Soprema elastomeric membrane, coordinated with the insulation under one accountable contact.
Yes, the whole region (Estrie) and neighbouring municipalities — see the “nearby” section below.
Building insulation with spray foam, flat roofs with elastomeric membrane, decontamination and code upgrades — a dedicated division, compliant and documented, with one accountable contact.
Taken care of within 5 minutes, visit within 24-48 h, quote handed over on the spot — no pressure, no fees.
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