Attic insulation for Markham homes
Markham mixes heritage homes in Unionville and Markham Village with large 1980s–2000s subdivisions and newer communities like Cornell and Berczy Village. Older homes often have little insulation left, while newer homes may have enough depth but blocked soffits or missing air sealing.
We serve homeowners across Markham, including Unionville, Markham Village, Thornhill, Milliken, Box Grove, Berczy Village and Cornell.
What we often find in Markham attics
Heritage homes
Older Unionville and Markham Village homes can have unusual framing and need a careful plan around existing materials.
Rear-lane and townhouse attics
Some newer communities have shared or segmented attics with limited access.
Air leaks at pot lights
Recessed lights in upper-floor ceilings are a common source of heat loss and attic moisture.
Blocked soffits
Even recent builds can have insulation pushed into the eaves, cutting off ventilation.
What's included
- Free attic inspection: depth, ventilation, moisture and mold check
- Air sealing at top plates, pipes, wires and light boxes
- Baffles at every eave bay, counted and photographed
- Blown cellulose or fiberglass to R-50, checked with depth rulers
- Insulated, weatherstripped hatch cover
- Before-and-after photo report, full cleanup, payment on completion
Markham attic insulation pricing
Our rates are the same across the GTA: $1.20–$1.75 per sq ft for a top-up to R-50, and $1–$2 per sq ft if old insulation has to be removed first. Get an instant estimate for your attic.
Markham FAQ
How much does attic insulation cost in Markham?
Blown-in attic insulation in Markham typically costs $1.20–$1.75 per sq ft installed, with removal at $1–$2 per sq ft if needed. Get an instant estimate or a free inspection for a firm quote.
My Markham home is fairly new. Could it still need work?
Possibly. Newer homes sometimes have adequate depth but missing baffles or unsealed pot lights. An inspection shows whether a top-up, air sealing or ventilation work makes sense.
Do you work in Unionville?
Yes, including heritage homes, which we inspect carefully before recommending any work.
Also serving: Toronto · Mississauga · Brampton · Vaughan · Oakville. All service areas.