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In Coal Harbour, exterior insulation ends the struggle against cold drafts. Your furnace won’t fight cold-soaked walls anymore. Experience lower bills and a cozier home.
This upgrade also protects against coastal dampness that affects homes here. It helps siding withstand constant expansion and contraction from temperature changes. In summer, it prevents heat from entering your living space.
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| Exterior Insulation Coal Harbour Insulation Material Type | R-5 Exterior Insulation Price | R-3.2 Exterior Insulation Price | R-3.7 Exterior Insulation Price | R-3.6 Exterior Insulation Price |
|---|---|---|---|---|
| Rigid Foam Board Insulation | CAD 2 – 4 | CAD 2 – 4 | CAD 2 – 4 | CAD 2 – 4 |
| Fibreglass Batt Insulation | CAD 1 – 2 | CAD 1 – 2 | CAD 1 – 2 | CAD 1 – 2 |
| Mineral Wool Batt Insulation | CAD 2 – 3 | CAD 2 – 3 | CAD 2 – 3 | CAD 2 – 3 |
| Open-Cell Spray Foam Insulation | CAD 2 – 3 | CAD 2 – 3 | CAD 2 – 3 | CAD 2 – 3 |
| Closed-Cell Spray Foam Insulation | CAD 3 – 6 | CAD 3 – 6 | CAD 3 – 6 | CAD 3 – 6 |
Keep Your Home Warm
Cold drafts make your home uncomfortable. They show that your siding is letting heat escape. Exterior insulation stops that heat loss by wrapping your home in a solid thermal barrier. This keeps the cold out and your indoor warmth inside.
We install rigid foam or mineral wool panels directly onto your home’s sheathing. Then, we cover them with new siding. This process removes gaps that let heat escape through traditional walls. The result is a more comfortable home and lower heating costs during winter.
In Coal Harbour, strong winds and salt air test your home’s siding and insulation. Even well-built homes can have cold spots and drafts that make winter uncomfortable.
Many local homes were built before today’s energy codes, so they may be under-insulated. Adding a layer of exterior insulation stops heat loss and protects your siding from moisture and wind-driven rain.
Installation Techniques
We install rigid mineral wool or high-density foam boards over the existing sheathing. We use long corrosion-resistant screws with wide washers to secure the boards to the studs. This fastening method helps resist uplift forces from the wind, which is common in Coal Harbour’s waterfront area. The boards are staggered to avoid gaps, and seams are taped to create a solid air barrier.
On top of the insulation, we attach vertical furring strips. This creates a drained and ventilated rainscreen cavity. This gap allows any wind-driven rain that gets behind the siding to drain away and dry. This is important in Coal Harbour’s damp climate. The cavity also helps balance pressure, which reduces wind force on the siding. We then install new fiber cement or engineered wood siding, which is durable against salt spray and moisture.
Continuous exterior insulation keeps the wall sheathing warmer by moving the dew point outside the framing. In Coal Harbour’s wet winters, this stops moisture from forming inside the wall cavity, which can cause rot and mold. The insulation layer also breaks the thermal bridge at each stud, which reduces heat loss through the framing.
The rainscreen cavity behind the siding creates a barrier and a drainage plane, directing water away from the insulation. Together with the continuous air barrier, this system controls air leaks and moisture. The exterior insulation also protects against wind-driven rain, keeping the building paper and sheathing dry.
Coal Harbour permit requirements
The City of Vancouver Building By-law No. 12511 sets rules for exterior wall insulation. It limits the use of combustible and foamed plastic insulation and explains how it must be protected in exterior walls. This affects high-rise and multi-unit homes in Coal Harbour. Designs and materials must meet these fire and protection standards and be reviewed as part of a building permit application.
The Noise Control By-law No. 6555 limits construction noise at residential properties to 7:30am–8:00pm on weekdays and 10:00am–8:00pm on Saturdays. No construction noise is allowed on Sundays or holidays unless an exception permit is obtained. Exterior insulation work in Coal Harbour must schedule noisy activities like drilling, fastening, and demolition within these hours. A noise by-law exception permit may be needed if work occurs outside these times.
Section 10.15 of the Vancouver Zoning and Development By-law allows some exterior wall thickness to be excluded from floor area calculations when walls have substantial thermal insulation. There are specific minimum insulation thicknesses and optional additional exclusions when a Building Envelope Professional verifies performance beyond Building By-law requirements. For exterior insulation upgrades on residential buildings in Coal Harbour, this means added wall thickness can sometimes be excluded from floor area if it meets the insulation and verification criteria.
