Fibreglass Batt Insulation in the Lower Mainland, BC
Batt insulation is pre-cut fibreglass or mineral wool fitted between studs, joists and rafters. Western Insulation installs it in open walls, floors and ceilings during renovations, additions, basement finishing and new builds across Langley, Metro Vancouver and the Fraser Valley, cut neatly around wiring and boxes so there are no gaps.
Best When the Walls Are Open
Batts are the standard insulation for framed walls and floors because they are affordable, easy to inspect and consistent. Their performance depends on a careful install: no gaps, no compression, cut tight around every obstacle.
Exterior walls
Floors over garages and crawlspaces
Basement and interior walls
Why Choose Batt Insulation
Cost-effective
Usually the lowest-cost way to insulate open framing.
Non-combustible
Fibreglass and mineral wool don't burn – mineral wool adds extra fire resistance.
Sound control
Batts in interior walls and floors reduce noise between rooms – see soundproofing insulation.
Easy to inspect
Inspectors and homeowners can see the R-value printed on the facing or bag before drywall goes on.
Typical Batt R-Values for Lower Mainland Homes
Area | Typical batt | Notes |
2×4 exterior wall | R-12 to R-14 | Older homes and renovations |
2×6 exterior wall | R-20 to R-24 | New builds and additions |
Floor over garage/crawlspace | R-28 to R-31 | Supported so it stays against the subfloor |
Basement framed wall | R-12 to R-22 | After moisture is controlled |
For a full explanation see our insulation R-value guide. Attics are usually better done with blown-in insulation.
Fibreglass vs Mineral Wool Batts
Insulation Options
Mineral Wool Batt Insulation
Superior fire resistance and sound absorption properties with excellent thermal performance
Fiberglass Batt Insulation
Consistent R-value performance in walls, floors, and ceilings with non-combustible material
Why Homeowners Choose Western Insulation for Batt Insulation
With over 25 years serving the Lower Mainland, Metro Vancouver & Fraser Valley regions, our experienced team delivers reliable, efficient insulation solutions.
Established 1998 and based in Langley Township – local crews who know Lower Mainland homes
In-house installation crews
Rebate-ready invoices showing area, R-value before and after, and insulation type
Workmanship warranty
Before-and-after photos of the finished work
How We Install Batts So They Actually Perform
Fit snugly to the full cavity – no gaps at the top, bottom or sides.
Split around wiring and cut tight around boxes and pipes instead of stuffing behind them.
Vapour barrier and acoustic sealant where the wall or code requires it.
Ready for your insulation inspection before drywall, if your project needs one.
What Our Customers Say
Batt Insulation Rebates (HPCN Contractor Required)
Take advantage of substantial incentives through BC Hydro and FortisBC energy efficiency programs. Our team streamlines the application process to maximize your eligible savings.
Current BC Rebates Include
Exterior wall cavities and basement/crawlspace walls: $0.09 × R × sq ft, up to $1,200 each
Other areas such as floors over unheated spaces: $0.07 × R × sq ft, up to $1,000
Soundproofing batts in interior walls are not rebated
Details on our rebates page.
Related Services
Batt insulation projects often include soundproofing insulation, whole-home insulation upgrades and rigid foam insulation, especially during renovations and basement finishing.
Batt Insulation Across Langley, Metro Vancouver and the Fraser Valley
Our crews are based in Langley Township and do most batt insulation work in Langley, Surrey, White Rock, Aldergrove, Abbotsford and Maple Ridge, with regular projects across the rest of Metro Vancouver and the Fraser Valley.
Reviews and Accreditation
Get a Batt Insulation Quote
Send us your plans or book a visit. We’ll quote by wall and floor area, with R-values listed so you can compare.
Frequently Asked Questions
What is the difference between fiberglass and mineral wool batts?
Fibreglass batts are spun glass fibres; they are the most affordable and work well in walls, floors and ceilings. Mineral wool batts are made from stone or slag; they are denser, more fire-resistant and better for sound, but cost more. Both are non-combustible and keep their R-value if installed without gaps or compression.
What R-value batts do I need for exterior walls?
Most 2×6 exterior walls in the Lower Mainland get R-20 to R-24 batts, and older 2×4 walls usually take R-12 to R-14. New construction and major renovations must meet the BC Building Code and any Energy Step Code level your municipality requires, so confirm the target with your designer or building department.
Can batt insulation be installed in finished walls?
Not without opening the wall. Batts need open framing, so they are best during renovations, additions and new builds. For walls that are already closed, blown-in insulation through small holes is the usual option. Attics are also better done with blown-in insulation.
Do batts qualify for BC Hydro rebates?
Yes, when an HPCN contractor installs them in eligible areas. Exterior wall cavities and basement or crawlspace walls earn $0.09 × R-value × sq ft, up to $1,200 each, and other areas such as floors over unheated spaces earn $0.07 × R × sq ft, up to $1,000. Interior soundproofing is not rebated.
How long does batt insulation installation take?
Most rooms or additions take a day or less; a full house of open walls usually takes one to two days depending on size and access. We coordinate with your contractor so the insulation is done before the inspection and drywall.
