Attic Insulation in Etobicoke
Your attic is where up to 40% of your home's heat escapes. Spray foam insulation air-seals and insulates in one step—stopping ice dams, cutting energy bills, and keeping every floor comfortable year-round.
Signs Your Etobicoke Attic Needs Insulation
Most Etobicoke homes—especially older bungalows in Mimico, Long Branch, and The Queensway built before 2010—have inadequate attic insulation. Here's how to tell.
Ice Dams in Winter
Icicles hanging from your eaves mean heat is escaping through the attic and melting rooftop snow. This freeze-thaw cycle damages shingles, gutters, and causes interior leaks—especially common in waterfront homes.
Uneven Temperatures
Second floor is sweltering in summer and freezing in winter while the main floor is fine? That's your attic failing to contain conditioned air—a widespread issue in Etobicoke's two-storey homes.
High Energy Bills
If your heating costs keep climbing despite a functioning furnace, air leakage through the attic is likely the culprit. It's the #1 source of heat loss in most homes.
Moisture or Mould
Condensation in the attic, damp rafters, or visible mould growth indicate warm humid air from your home is reaching the cold attic space. Spray foam stops this—critical in Etobicoke's humid lakefront climate.
Drafts & Cold Spots
Feel cold air near light fixtures, attic hatches, or recessed lights on the top floor? These are air leakage points that only spray foam can properly seal.
Old or Settled Insulation
Fibreglass batts sag and compress over time, losing up to 50% of R-value. Blown-in cellulose settles. If your insulation is 15+ years old—common in Alderwood and Sunnylea—it's likely underperforming.
Open-Cell vs Closed-Cell for Etobicoke Attics
The right foam depends on your attic type, budget, and goals. Here's a side-by-side comparison.
| Feature | Open-Cell (½ lb) | Closed-Cell (2 lb) |
|---|---|---|
| R-Value per Inch | R-3.7 | R-6.5 |
| Air Sealing | Excellent | Excellent |
| Vapour Barrier | No — vapour permeable | Yes — at 2" thickness |
| Moisture Resistance | Absorbs water | Waterproof |
| Structural Strength | Flexible, no racking strength | Adds wall/roof rigidity |
| Sound Dampening | Superior — absorbs sound | Good |
| Cost per Sq Ft | $1.50 – $3.50 | $3.00 – $5.00 |
| Best For | Vented attic floors, cathedral ceilings where vapour permeability is needed | Unvented roof assemblies, flat roofs, cathedral ceilings, basements |
Not sure which is right for your attic? We'll recommend the best option during your free site assessment.
Where We Apply Attic Spray Foam
Every attic is different. We insulate all common attic configurations found in Etobicoke homes.
Attic Floor (Ceiling Joists)
Standard application for vented attics. Spray foam between and over joists creates a continuous air barrier on the ceiling plane.
Roof Deck (Underside of Sheathing)
Creates an unvented, conditioned attic space. Ideal when HVAC equipment or ductwork is in the attic.
Cathedral Ceilings
Between rafters for vaulted rooms. Closed-cell is typically required to achieve code R-value in the limited rafter depth.
Knee Walls
Common in Cape Cod and 1.5-storey homes throughout Mimico and Long Branch. Seals the transition between conditioned and unconditioned space.
Attic Hatches & Pull-Down Stairs
Major air leakage points that most insulation methods miss. We seal and insulate these access points completely.
Rim Joists
Where the attic floor meets exterior walls. Often overlooked, rim joists are a significant source of air leakage and heat loss.
How Attic Insulation Works
From quote to completion—most Etobicoke attic jobs are done in a single day.
Free Site Assessment
We inspect your attic, measure square footage, check existing insulation, and identify air leakage points. You get a detailed quote.
Prep & Protection
We mask and protect your home's interior, set up ventilation equipment, and prepare the attic for spraying.
Spray Application
Our crew applies spray foam to the specified thickness, ensuring complete coverage with no gaps or thermal bridges.
Inspection & Cleanup
We verify thickness and coverage, trim any excess foam, clean up completely, and walk you through the finished job.
Why Etobicoke Homeowners Choose GTA Foaming
Local expertise, honest pricing, and work we stand behind.
Serving Etobicoke Daily
We service Etobicoke neighborhoods every day—from Humber Bay condos to Kingsway heritage homes. We understand the unique building styles and insulation challenges in this area.
Fully Licensed & Insured
Full liability insurance, WSIB coverage, and installations that meet or exceed Ontario Building Code requirements.
Upfront Pricing
Detailed written quotes before any work starts. No hidden fees, no surprises. We price per square foot so you know exactly what you're paying.
Real Job Photos
We document every project with before and after photos. Check our Etobicoke project gallery to see our work.
Same-Day Quotes
Contact us in the morning, get a site visit and written quote the same day. We know Etobicoke homeowners don't want to wait weeks.
Code-Compliant Installs
R-50 to R-60 for Etobicoke attics (Climate Zone 6) per Ontario Building Code. We don't cut corners on thickness or coverage.
Etobicoke Neighbourhoods We Serve
Fast attic insulation service throughout Etobicoke and surrounding communities.
Your Neighbourhood Not Listed?
We serve all of Etobicoke and the surrounding GTA. Call for a same-day quote.
Call (647) 613-3626What Etobicoke Homeowners Say
Real feedback from attic insulation projects across Etobicoke.
"Our Mimico bungalow is right by the lake and we had brutal ice dams every winter—water seeping through the roof into our kitchen. GTA Foaming sprayed the attic with open-cell foam and the problem vanished completely. First dry winter in eight years!"
"The second floor of our Long Branch home was unbearable in summer. AC couldn't keep up. The team sprayed closed-cell on the roof deck and it's like having a new house. Even temperature throughout, and our cooling bills dropped by almost 30%."
"Contacted GTA Foaming for a quote on our Queensway split-level. They came same day, went up into the attic, took actual measurements, explained everything in detail. Fair pricing, professional crew, finished in one day. Highly recommend for any Etobicoke homeowner."
Ontario Building Code for Etobicoke Attics
What you need to know about insulation requirements for homes in Climate Zone 6.
R-50 to R-60 Required
Ontario Building Code specifies R-50 minimum for attic insulation in Climate Zone 6 (Etobicoke). New builds and major renovations must meet this standard.
Ignition Barrier Required
Spray foam in accessible attics requires an ignition barrier or thermal barrier depending on the application and foam type. We ensure compliance on every job.
Ventilation Standards
Vented attics need proper soffit-to-ridge airflow maintained. Unvented assemblies require specific foam types and thicknesses. We design for both.
Attic Insulation FAQ — Etobicoke
Common questions about attic spray foam insulation for Etobicoke homes.
Ontario Building Code recommends R-50 to R-60 for attics in Climate Zone 6. With spray foam, you can achieve this with approximately 8–10 inches of open-cell or 7–8 inches of closed-cell foam.
Yes. Ice dams form when heat escapes through the attic and melts snow on the roof. Spray foam creates an air-tight seal that keeps heat inside your living space, preventing the freeze-thaw cycle that causes ice dams—a common problem in Etobicoke's waterfront neighborhoods.
For most Etobicoke attics, open-cell is cost-effective and provides excellent air sealing and R-value. Closed-cell is recommended for cathedral ceilings, flat roofs common in Mimico condos, or areas requiring a vapour barrier and maximum R-value per inch.
Attic spray foam in Etobicoke ranges from $1.50 to $3.50 per square foot for open-cell, and $3.00 to $5.00 for closed-cell, depending on thickness and accessibility. Average attic projects run $3,000 to $8,000.
Most Etobicoke attic spray foam jobs are completed in one day. A typical 1,200–1,500 sq ft attic takes 4–6 hours including prep, application, and cleanup.
Not always. If existing insulation is dry and in reasonable condition, spray foam can be applied over it in some cases. However, if there's mould, moisture damage common in older Etobicoke homes, or vermiculite (which may contain asbestos), removal is recommended before spraying.
Ready to Insulate Your Etobicoke Attic?
Get a free quote today and start saving on energy bills while improving comfort throughout your home.