Stop high heating and cooling bills, drafts, and uneven room temperatures. Bestway provides code-certified attic insulation, airtight spray foam, blown-in cellulose, and basement sealing for homes and businesses across the Greater Toronto Area.
Tell us about your home for an accurate, no-obligation quote.
Clear, verified qualifications backing every residential and commercial installation across Ontario.
Serving GTA homeowners with quality insulation since 2014.
Attic, spray foam, and retrofit projects completed across Ontario.
Over 65 verified customer reviews praising our crews and results.
Fully covered, safety-trained crews for safe on-site execution.
Comprehensive commercial general liability protecting your property.
Transferable written workmanship warranty backing every install.
Most persistent home comfort problems, drafty rooms, and high utility bills trace directly back to under-insulated thermal boundaries or uncontrolled air leakage. Identifying the root cause is the first step toward lasting comfort.
Warm air rises and escapes rapidly through thin or settled attic insulation in winter. In summer, radiant solar heat under roof shingles transfers directly into second-floor ceilings, causing AC units to run nonstop.
When thermal boundaries are inadequate, conditioned air is lost through the roof, uninsulated exterior walls, and rim joists. Furnaces and heat pumps must cycle continuously to maintain thermostat setpoints.
Uninsulated or poorly sealed basement rim joists (band sills) allow freezing outside air to pull through floor joints via the stack effect, creating icy subfloors and uncomfortable living room drafts.
Insulation installed 15 to 30 years ago settles over time, losing effective thermal resistance. Settled fiberglass or cellulose can also trap dust, moisture, or pest debris, compromising indoor air quality.
When warm indoor air bypasses into cold attics, it melts snow on the roof deck. The runoff refreezes at the cold eaves, creating damaging ice dams, while trapped moisture causes attic frost and sheathing mold.
Below-grade concrete foundation walls absorb moisture from surrounding soil and radiate ground chill into living spaces. Standard batts without vapor barriers can trap moisture and promote condensation.
Bonus rooms located over unheated garages, corner additions, and cantilevered bump-outs frequently suffer from uninsulated floor cavities, resulting in temperature differences of 4°C to 8°C compared to the rest of the home.
Hollow interior drywall partitions and uninsulated floor joists allow conversational noise, home theater bass, and footfall vibrations to travel freely between living areas, home offices, and rental suites.
Every home has a unique construction era, airflow dynamic, and insulation history. Rather than guessing, our experienced insulation technicians evaluate your property's actual conditions and explain practical, cost-effective options.
Insulation is not one-size-fits-all. Choosing a product simply on price or advertising hype often results in recurring drafts, condensation risks, or missed energy savings. An effective insulation system depends on evaluating multiple technical factors:
"Bestway acts as an expert technical advisor first, installer second. We inspect your home's unique layout and provide honest, pressure-free recommendations so you invest only in what actually works."
Clean, proven insulation methods installed to Ontario Building Code standards by experienced, WSIB-insured Bestway crews.
What it is: High-density blown-in cellulose or fiberglass combined with air sealing and rafter ventilation baffles.
Commonly used: Unfinished attics in Ontario homes needing thermal top-ups.
Key benefit: Eliminates second-floor cold spots, stops winter heat loss, and qualifies for Ontario rebates.
View Attic Services →What it is: Expanding 2-pound closed-cell or 0.5-pound open-cell polyurethane foam creating an airtight seal.
Commonly used: Rim joists, crawl spaces, cathedral ceilings, and bonus room floors.
Key benefit: Maximum R-value per inch (R-6.0+), seamless air sealing, and built-in vapor barrier.
View Spray Foam Services →What it is: Pneumatically installed treated cellulose or loose fiberglass providing continuous, dense coverage.
Commonly used: Attic floors, hard-to-reach crawl spaces, and enclosed wall cavities.
Key benefit: Fast, economical coverage that conforms around wiring, pipes, and joists without thermal gaps.
View Blown-In Services →What it is: Pre-cut fiberglass or dense mineral wool (Rockwool) friction-fit batts with 6-mil poly vapor barrier.
Commonly used: Interior partition walls, open stud cavities during renovations, and basement framing.
Key benefit: Reliable thermal resistance, superior sound dampening, and high fire resistance.
View Batt Services →What it is: Specialized moisture-resistant systems combining closed-cell spray foam or rigid boards with framed walls.
Commonly used: Concrete foundation walls, perimeter band sills, and walk-out basements.
Key benefit: Stops ground chill transfer, prevents wall condensation, and creates warm lower-level living space.
View Basement Services →What it is: Industrial exterior HEPA-filtered vacuum extraction of contaminated, wet, settled, or moldy insulation.
Commonly used: Attics before major renovations, rodent infestation remediation, and smoke damage repairs.
Key benefit: Clean, sanitary removal without releasing airborne dust or contaminants into living areas.
View Removal Services →What it is: Heavy-duty thermal and acoustic insulation engineered for commercial facilities and multi-unit buildings.
Commonly used: Warehouses, metal buildings, retail plazas, tenant retrofits, and office mechanical rooms.
Key benefit: Controls large-scale heating/cooling costs, prevents condensation on steel decks, and satisfies code.
View Commercial Services →What it is: Complete whole-home thermal envelope upgrades coordinating attics, basements, and exterior walls.
Commonly used: Detached houses, semi-detached properties, townhomes, and heritage GTA homes.
Key benefit: Eliminates drafts across the whole structure, optimizes HVAC sizing, and maximizes rebate yields.
View Residential Services →Different building assemblies demand different thermal, acoustic, and vapor-barrier characteristics. Here is how our specialists match materials to your property's specific structure:
| Building Area | Recommended Material | Target Performance | Primary Purpose | Moisture & Air Considerations |
|---|---|---|---|---|
| Attic Floor (Unfinished) | Blown-In Cellulose or Fiberglass | R-60 (Ontario Code) | Stop rising convective heat loss & prevent roof ice dams | Must include soffit ventilation baffles & ceiling air sealing |
| Basement Rim Joists & Sills | 2" Closed-Cell Spray Foam | R-12 to R-14 + Air Seal | Eliminate first-floor floor drafts & ground moisture | Acts as a continuous air barrier & Class II vapor retarder |
| Basement Foundation Walls | Closed-Cell Foam or Rigid Board + Batts | R-20 to R-24 | Stop concrete thermal bridging & prevent summer condensation | Impervious to ground moisture; prevents mould behind framing |
| Exterior Framed Walls (Renovations) | Friction-Fit Batts or 2-Lb Spray Foam | R-22 to R-24 | Thermal comfort & exterior street noise reduction | Requires continuous 6-mil poly vapor barrier (if using batts) |
| Interior Partitions & Ceilings | Dense Mineral Wool Batts (Rockwool) | STC Sound & Fire Rated | Acoustic isolation between bedrooms, offices, & suites | Non-combustible, zero smoke generation, dampens vibrations |
| Commercial Steel Roofs & Walls | Closed-Cell Polyurethane Spray Foam | R-20 to R-30+ Custom | Prevent condensation dripping & stabilize warehouse temps | Monolithic adhesion to metal; stops rust and thermal bowing |
Our experienced assessors inspect existing framing, ventilation paths, and moisture dynamics to design a compliant, durable solution.
Honest technical advice, certified installers, and verified business practices backed by over a decade of hands-on Ontario experience.
Serving GTA homeowners and builders since 2014. We understand how Southern Ontario's extreme temperature swings—from +35°C summers to -25°C winters—affect home building envelopes.
A proven track record spanning historic century homes in Toronto, suburban subdivision houses in Brampton and Mississauga, custom builds in Oakville, and rural cottages in Barrie and Muskoka.
Because we install blown-in, spray foam, batts, and rigid boards, we recommend what your home actually requires—not just the single material an installer happens to carry.
Clear, itemized proposals specifying verified R-values, square footage, ventilation baffles, and preparation steps. We don't use hidden fees or aggressive high-pressure sales tactics.
Every installation is backed by our transferable 10-year written workmanship warranty, guaranteeing that our materials remain code-compliant, properly supported, and functional.
Full Workplace Safety and Insurance Board compliance and $5,000,000 in commercial general liability insurance. Documentation and clearance certificates are provided with every estimate.
We stay current on all active Ontario energy-efficiency programs (including Enbridge gas incentives). We evaluate your eligibility, provide compliant invoices, and assist you with filing your claim.
Ontario homeowners can access financial incentives through provincial and utility energy-efficiency programs when upgrading older, under-insulated homes. Attic top-ups and air-sealing retrofits are among the most accessible upgrades.
We know that inviting a contractor into your home requires trust. Here is exactly what you can expect from your first inquiry to project completion:
Share your property details online or call our office. Tell us about your home, comfort symptoms, and timeline.
Our team discusses your home's layout, answers questions on materials and rebates, and provides a clear preliminary range.
We evaluate your attic hatch access, existing insulation depth, bypass air leaks, and roof ventilation baffles.
You receive an itemized proposal detailing the exact material, target R-value, ventilation plan, and rebate guidance.
Our WSIB-insured crew protects work areas, air-seals bypasses, and installs insulation cleanly to Ontario Building Code.
We confirm depth, verify clear soffit vents, HEPA vacuum work areas, and provide your 10-year written warranty.
Homeowners often ask: "What exactly am I paying for?" Depending on the scope of your project, our comprehensive estimates include:
Protective drop cloths and poly runners placed through all entryways and hallways. Dust containment barriers placed around access openings.
Precision expanding foam sealing of ceiling electrical boxes, plumbing stack chases, pot light fixtures, and top plate drywall joints.
Installation of durable rafter vent baffles at eaves to ensure soffit airflow stays 100% unobstructed, preventing attic moisture and ice dams.
Pneumatic blown-in cellulose or fiberglass to verified R-60 thickness (approx. 22+ inches uncompressed), or closed-cell foam to specified inch depth.
Rigid barrier dams constructed around the attic entrance hatch with weatherstripping and high-R insulation attached to the cover panel.
Full HEPA vacuuming of work zones, removal of all empty packaging, and issuance of your 10-year written workmanship warranty certificate.
See how our experienced crews evaluate, prepare, and insulate residential properties throughout Southern Ontario.
Older residential attic had settled, inadequate insulation resulting in severe winter heat loss through second-floor ceilings.
1970s bungalow had unsealed pot lights and uneven insulation causing winter drafts and room temperature imbalances.
Uninsulated rim joists along the foundation perimeter were pulling freezing outside air directly under the main floor.
Full-home renovation with exposed stud cavities required high thermal performance without reducing indoor room dimensions.
Unfinished poured concrete basement walls conducted sub-freezing soil temperatures, creating damp conditions.
Blocked soffits and escaping ceiling heat caused snow to melt and refreeze, creating dangerous winter ice dams at gutters.
Bestway operates mobile installation crews equipped for residential and commercial projects throughout Southern Ontario.
Consistent 5-star service ratings for punctuality, transparent pricing, clean job sites, and noticeable home comfort improvements.
"Homeowners across Toronto, Mississauga, Brampton, and the GTA consistently commend Bestway for detailed explanations, courteous crews who treat homes with respect, and dramatic reductions in winter drafts and high energy bills."
Tell us a little about your property and what you're looking to improve. Our team can help determine the appropriate insulation solution for your project.
Clear, factual answers to the questions Ontario homeowners ask us most about insulation materials, costs, rebates, and installation.
Insulation costs vary depending on the square footage, accessibility, existing insulation depth, and material selected. A typical blown-in attic top-up to code R-60 generally ranges between $1,500 and $3,500 for an average GTA home before rebates. Closed-cell spray foam typically costs $2.50 to $4.50+ per square foot depending on thickness. Bestway maintains a $750 minimum project fee and provides clear, itemized written estimates with zero surprise fees.
Most standard residential attic top-ups and air-sealing projects are completed in 4 to 6 hours. Rim joist spray foam applications typically take 3 to 5 hours. Full-home retrofits or projects requiring comprehensive old insulation removal can take 1 to 2 days. Our team provides an accurate arrival window and completion estimate before starting.
Yes. We provide 100% free, no-obligation estimates for homeowners across the Greater Toronto Area and surrounding Ontario communities. We can evaluate your property through photos and building specifications, or arrange an on-site assessment for complex scopes.
Yes. If your existing insulation is water-damaged, compacted, mold-affected, or contaminated by rodents, our crews utilize heavy-duty exterior HEPA-filtered vacuum machinery to safely extract all debris directly into disposal bags outside your home, protecting your indoor living spaces.
There is no single "best" material for every application. For unfinished attic floors, blown-in cellulose or fiberglass offers the most cost-effective R-value. For foundation rim joists and basement walls, closed-cell spray foam is superior because it provides a 100% airtight seal and moisture barrier. For interior partition soundproofing, dense mineral wool batts excel. We recommend materials based on your home's physical structure.
Look into your attic hatch: if the insulation is level with or below the top of your ceiling joists (approx. 6 to 8 inches or less), your attic is under-insulated by modern standards. Other signs include noticeable winter drafts, second-floor rooms being noticeably colder than the main floor in winter and sweltering in summer, or recurring ice dam formation along your gutters.
The Ontario Building Code (OBC) currently specifies a minimum of R-60 for new residential ceiling/attic assemblies across Southern and Central Ontario. R-60 corresponds to approximately 22 inches of blown-in cellulose or loose fiberglass. Homes built prior to 2017 often have only R-20 to R-32, representing significant thermal loss.
Yes. Installing rigid ventilation baffles at every soffit intake is a critical part of our attic installations. Baffles prevent newly blown insulation from spilling into the eaves, guaranteeing that fresh exterior air can flow freely from the soffits up to the roof ridge. This continuous ventilation prevents attic moisture condensation and roof ice dams.
Yes. Air sealing is the most important step in attic performance. Prior to blowing in insulation, our technicians seal plumbing stack penetrations, electrical wire holes, pot light enclosures, and top-plate drywall seams with expanding polyurethane foam to stop convective warm air from leaking into the attic.
In most cases, dry, undisturbed insulation can be topped up with fresh blown-in material to reach R-60, saving you removal costs. However, if the old insulation is damp from roof leaks, heavily compressed, contaminated by pests, or contains hazardous vermiculite, full removal and sanitization is recommended first.
Closed-cell spray foam (2.0 lb/cu.ft) is a dense, rigid foam providing high thermal resistance (approx. R-6.0 to R-6.5 per inch) that acts as both an air barrier and vapor barrier. It is ideal for exterior walls, basements, and rim joists. Open-cell foam (0.5 lb/cu.ft) is softer, provides approximately R-3.7 per inch, and acts as an air seal and sound dampener, but is vapor-permeable and best suited for interior stud cavities.
Spray foam is most commonly installed in basement rim joists (band sills), cantilevered bump-outs, cathedral ceilings without ventilation space, bonus rooms over unheated garages, and masonry foundation walls where both air sealing and moisture protection are required.
For closed-cell spray foam, a minimum application of 2 inches (providing R-12 to R-13) is typically required to establish an effective moisture and vapor barrier. For exterior renovation walls, 3 inches achieves R-18 to R-20. Thickness depends on the specific assembly and Ontario Building Code thermal requirements.
Spray foam expands and becomes tack-free in seconds, achieving full cure within 24 hours. During application and the initial curing period, safety standards require adequate ventilation and homeowner vacancy (typically 24 hours) to allow any off-gassing to dissipate completely.
Yes. Energy efficiency rebate programs through utilities (such as Enbridge Gas) and provincial initiatives provide incentives for eligible homeowners who upgrade existing building envelopes, with standalone attic insulation incentives offering up to $1,250 and multi-measure retrofits offering up to $10,000.
Qualification typically requires that you own a detached, semi-detached, or row townhouse in Ontario heated primarily by natural gas or electricity, and that your current attic insulation is below specified baseline levels (e.g. less than R-35). Bestway reviews your home's eligibility during our estimate process.
Eligible homeowners topping up attics to code standards can receive up to $1,250 under qualifying standalone attic programs. Comprehensive retrofits combining attics, basements, and air sealing can receive substantially more under active multi-measure programs. Rebate amounts are determined by the specific program criteria active at the time of your application.
Yes. We assist you by verifying program pre-conditions, providing compliant itemized invoices with certified R-value specifications, and guiding you through submission to ensure your documentation meets all audit requirements.
An assessor will locate your attic hatch, check existing insulation depth across multiple points, inspect roof sheathing for moisture or ventilation problems, identify ceiling electrical or duct bypasses, and measure square footage to produce an accurate, fixed quote.
Ensure clear access to the attic hatch or basement work area by moving any clothing, furniture, or fragile items directly beneath the opening. If your attic hatch is located inside a bedroom closet, clear clothing off the top shelves. Our crew will take care of laying protective floor coverings.
Our lead installer will walk you through the work, verify that the work areas are cleanly vacuumed, explain the installed R-value, hand you your 10-year written workmanship warranty, and provide the completed invoice for your records and rebate filing.
Speak with an experienced Bestway insulation specialist today. We'll evaluate your property, explain your options clearly, and provide a transparent, competitive quote backed by our 10-year workmanship warranty.