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LP SmartSide Siding Thornhill

Durable LP SmartSide Siding In Thornhill

Your siding is warping and peeling after just a few rainy seasons in Thornhill

Paragon Exteriors installs LP SmartSide siding that resists moisture damage in Thornhill’s wet climate.
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Siding issues after rainy seasons

Once boards cup and separate, water finds a path behind them. That trapped moisture feeds rot and mold underneath. Installing new siding in Thornhill only pays off if those weak points are fixed at the same time.

Consider curb appeal as well. Homes in this area sit close to the street, so a clean, uniform exterior enhances the entire property. The right lap profile and finish can mimic real wood without the yearly scraping and painting.

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Estimated LP SmartSide Siding Cost in Thornhill
This pricing matrix outlines estimated costs for LP SmartSide siding installations across Thornhill. Rows represent each LP SmartSide Profile, while columns correspond to the Finish and Coating Tier. Homeowners can find estimated cost ranges in Canadian dollars at the intersection of their preferred siding profile and finish option.
LP SmartSide Siding Prices in Thornhill
LP SmartSide Siding Thornhill ProfilePrimed LP SmartSide PricePrefinished LP SmartSide PriceDiamond Kote SmartSide PricePainted LP SmartSide Price
Standard LP SmartSide SidingCAD 3,500 – CAD 4,500CAD 5,500 – CAD 7,000CAD 6,000 – CAD 7,500CAD 4,500 – CAD 9,000
Engineered Wood Siding ProfileCAD 3,500 – CAD 4,500CAD 5,500 – CAD 7,000CAD 6,000 – CAD 7,500CAD 4,500 – CAD 9,000
38 Series Lap SidingCAD 3,500 – CAD 4,500CAD 5,500 – CAD 7,000CAD 6,000 – CAD 7,500CAD 4,500 – CAD 9,000
76 Series Panel SidingCAD 3,500 – CAD 4,500CAD 5,500 – CAD 7,000CAD 6,000 – CAD 7,500CAD 4,500 – CAD 9,000
Cedar Texture Shake PanelCAD 3,500 – CAD 4,500CAD 5,500 – CAD 7,000CAD 6,000 – CAD 7,500CAD 4,500 – CAD 9,000
Pricing estimates are based on general market knowledge and reflect typical market ranges at the time of publication. Actual project costs in Thornhill may vary based on exact job specifications, material availability, and timing.

Moisture-resistant siding

Siding in our coastal climate faces constant rain, wind, and dampness that quickly damages ordinary materials. LP SmartSide siding uses a special treated wood strand process to resist moisture, rot, and impact better than standard fiber cement or vinyl.

Every board has a factory-applied wax coating on all four edges and a strong overlay that keeps out water. This means no swelling at the seams, no fungal growth from the bottom edge, and a paint finish that lasts years longer than site-painted options. We install LP SmartSide siding for Vancouver homes with careful attention to detail to keep warranties intact.

Benefits for Thornhill homes

Thornhill is on the north slope of the Fraser River, where autumn storms and winter rains push moisture deep into exterior walls. Many homes here were built during Maple Ridge’s growth periods and still have their original siding, which wasn’t made for this level of wet weather.

The mix of older ranch-style homes, split-levels, and newer builds throughout Thornhill all face the same issues with moss, mildew, and paint damage on their exteriors. LP SmartSide’s treated material handles that moisture without warping, keeping your home’s outer layer straight and sound through every rainy season.

Moisture management in Thornhill

In Thornhill’s coastal climate, installing LP SmartSide starts with a ventilated rainscreen gap behind the siding. This usually involves vertical furring strips over a weather-resistant barrier. This air space helps moisture behind the boards dry quickly instead of staying against the wall sheathing.

Each engineered wood strand board has a factory-applied zinc borate treatment. This overlay keeps out moisture, and the boards also have a four-edge wax coating. During installation, the cut ends are sealed with touch-up paint. The boards are face-nailed with hot-dipped galvanized or stainless steel fasteners to resist corrosion from dampness. A 1/8-inch gap at butt joints prevents swelling and buckling.

For Thornhill’s varied architectural styles—from split-levels to newer builds—installers carefully pay attention to flashing at window heads and trim junctions. They use drip caps that extend beyond the siding face. This design prevents water from wicking behind the planks and streaking the paint surface.

Structural moisture management

A well-designed wall assembly in this wet area places LP SmartSide as the outermost layer of a drainage plane. The rainscreen cavity behind it acts as a capillary break. This setup stops direct contact between the back of the siding and the building paper, which could hold moisture and cause rot in the framing.

The wall’s water management depends on a shingle-style overlap of the cladding and integrated flashing. Window and door openings are sealed with flexible, self-adhered flashing tapes that extend past the nailing flanges. This directs any water that gets through the siding joints down and out the weep screeds at the bottom of the wall.

Fastening schedules are important. Nails are driven through the thick part of the siding into the studs, not just the sheathing. This helps resist wind uplift common in the Fraser Valley. This pattern, along with the wood-strand core’s ability to hold fasteners well, keeps the exterior stable through seasonal wetting and drying cycles without nail pops or board movement.