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When heat escapes through the outside walls, parts of the house feel colder even when the siding looks fine. Insulation targets that loss right at the exterior surface.
This upgrade helps homes here stay cooler during hot summer afternoons, when heat presses against the walls. It provides extra backing, so surfaces handle wet, windy weather better.
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| Exterior Insulation Silver Valley Insulation Material Type | R-5 XPS Insulation Price | R-20 To R-22 Insulation Price | R-28 Insulation Price | R-40 To R-50 Insulation Price |
|---|---|---|---|---|
| Closed-Cell Spray Foam | CAD 2.50 – CAD 4.00 | CAD 6.00 – CAD 9.00 | CAD 8.00 – CAD 13.00 | CAD 12.00 – CAD 19.00 |
| Open-Cell Spray Foam | CAD 1.50 – CAD 2.50 | CAD 3.50 – CAD 5.50 | CAD 4.50 – CAD 7.00 | CAD 6.50 – CAD 10.50 |
| Blown-In Cellulose Or Fibreglass | CAD 0.70 – CAD 1.50 | CAD 1.20 – CAD 2.20 | CAD 1.60 – CAD 2.80 | CAD 2.20 – CAD 3.80 |
| Dense-Pack Blown-In Cellulose | CAD 0.90 – CAD 1.80 | CAD 1.80 – CAD 3.00 | CAD 2.30 – CAD 3.80 | CAD 3.20 – CAD 5.20 |
| Fibreglass Insulation | CAD 0.60 – CAD 1.20 | CAD 1.10 – CAD 2.00 | CAD 1.50 – CAD 2.60 | CAD 2.10 – CAD 3.50 |
Comfort Outdoors
Adding exterior insulation to your home solves the problem directly. Cold walls make your furnace work harder, leaving your rooms cold and your heating bills high.
We put rigid foam or mineral wool boards over your existing sheathing and finish with new siding. This layer stops heat from escaping and seals gaps that let warmth out.
Silver Valley homes face damp, cold weather that seeps through old siding and uninsulated walls. Without a good thermal barrier, heating costs can rise fast.
Many houses here were built before modern energy codes, leading to thin, leaky walls. Exterior insulation wraps your home in a protective layer that can handle our rain and cold.
Installation Techniques
For homes in Silver Valley, we install rigid mineral wool or expanded polystyrene foam boards over the existing wall sheathing. Mineral wool is often preferred because it lets water vapor pass through, reducing the risk of trapped moisture in our damp climate. We fasten the boards with long screws that go through the old siding and sheathing into the structural studs for a strong hold.
A ventilated rainscreen gap is important in this rainy area. We attach vertical furring strips over the insulation and then mount the new siding. This creates an air space that allows any water that gets behind the siding to drain and dry out. We tape or seal the joints between insulation boards with low-expansion foam to prevent thermal bypass.
Putting insulation on the exterior moves the dew point outside the wall sheathing. This keeps the wood framing warm and dry during Silver Valley’s cool, wet winters. It prevents condensation that can form inside the wall cavity, which is a common cause of rot in older uninsulated homes.
We design the assembly to manage moisture from both sides. Vapour-open mineral wool lets interior humidity escape, while the ventilated rainscreen gap behind the new siding drains bulk water and dries quickly. We integrate flashing details at windows and doors with the insulation layer to keep a continuous drainage plane, and we space fasteners to resist wind uplift without trapping water.
Permit requirements for insulation
Exterior insulation work in Silver Valley follows Maple Ridge’s Noise Control Bylaw No. 5122-1994. This bylaw allows construction noise Monday to Saturday from 7:00 a.m. to 9:00 p.m. It bans noise on Sundays and statutory holidays. Any after-hours work needs a written exemption permit from the Bylaw Department.
Maple Ridge’s Building Permits and Inspections rules say you need a building permit for changes to existing commercial, industrial, or multi-residential buildings. So, exterior insulation on these structures in Silver Valley usually needs a permit and plans submitted to the City’s Building Department before work starts.
Under Maple Ridge’s commercial renovations rules, any changes to an existing commercial, industrial, or multi-residential building require a building permit. Adding or upgrading exterior insulation on such buildings in Silver Valley is seen as an exterior change and needs a permit, including digital drawings as part of the improvement plan.
