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Composite Decking Richmond

A Better Way To Composite Decking In Richmond

Your Richmond deck becomes slick and green after every wet coastal winter.

Paragon Exteriors installs composite decking in Richmond that resists rain, mildew, and slippery buildup.
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Decks shouldn't be dangerous

That slick, mossy surface turns your deck into a hazard, forcing you to keep kids and pets inside long after the rain stops. Even with regular cleaning, the green film returns quickly in this damp climate, making your outdoor space feel useless for months.

Composite decking also resists fading and warping under heavy rainfall and occasional intense sun. It maintains its appearance without the annual sanding and staining that wood decks require, giving you more time to enjoy your backyard when the weather clears.

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Estimated Composite Decking Costs in Richmond
This guide outlines estimated composite decking costs across Richmond based on project scope and materials. Rows display the decking material grade, while columns indicate the substructure framing material and configuration. Each cell provides an estimated per-square-foot cost range in CAD representing the combined materials and installation for that specific pairing.
Composite Decking Prices in Richmond
Composite Decking Richmond Material GradeFull Wood Framing PricesExisting Framing Reused PricesAluminium Railing Package PricesNew Joist Framing Prices
Composite DeckingCAD 60 – CAD 90CAD 40 – CAD 60CAD 70 – CAD 110CAD 50 – CAD 80
Capped Composite DeckingCAD 70 – CAD 100CAD 50 – CAD 70CAD 80 – CAD 120CAD 60 – CAD 90
Premium PVC DeckingCAD 80 – CAD 120CAD 60 – CAD 90CAD 90 – CAD 130CAD 70 – CAD 100
Mineral-Based Composite DeckingCAD 80 – CAD 120CAD 60 – CAD 90CAD 90 – CAD 130CAD 70 – CAD 100
These prices are estimates based on general market knowledge and reflect typical market ranges at the time of publication. Actual project quotes in Richmond may vary based on specific site conditions, exact material selections, and project timing.

Durable Decking for Wet Weather

Wet winters and constant moisture don’t mean you have to scrub and slip every season. Composite decking is made to handle these tough conditions, no matter where you live in the Lower Mainland.

The boards mix wood fibers and recycled plastics, then cover them with a strong shell that water, mildew, and UV rays can’t get through. That’s the advantage of composite decking in Vancouver—a system that stands up to our wettest months.

Why It Matters in Richmond

In Richmond, the flat land and closeness to the Fraser River mean moisture stays in the air long after the rain stops. A deck here faces ongoing dampness that speeds up rot and mildew on regular wood.

With many homes having large outdoor spaces, a composite deck is a smart investment that lasts through the damp without needing constant care. It’s a practical upgrade that fits how families here enjoy their outdoor living.

Composite Boards and Fasteners

In Richmond’s damp air, capped composite boards with a thick polymer shell block moisture and resist mildew better than older composites. Installers use hidden fasteners that create a small gap between boards. This gap allows for expansion during humid weather and helps rainwater drain quickly.

For the substructure, pressure-treated lumber must be rated for ground contact. It should be elevated on concrete piers to avoid direct soil moisture. Aluminum framing is a good upgrade because it won’t warp or rot, even when dampness lingers under a low deck.

Managing Moisture Under Decks

A composite deck in Richmond needs a drainage plane that slopes water away from the house. The ledger board is covered with metal or peel-and-stick membrane. This is lapped under the siding’s weather barrier and over the deck’s joist tape to stop moisture from being trapped behind.

Under the deck, an air gap of several inches between the ground and framing allows air to flow and dry the space. On Richmond’s flat land, where water can pool after heavy rain, a slight slope in the gravel below the deck directs runoff away. This keeps the substructure drier.

Decking Permit Requirements

In Richmond, you need a building permit for any deck structure. However, decks that are less than 600 mm (2 ft) above the ground are considered minor changes and do not require a permit. If your composite deck will be 0.60 m (2 ft) or higher, it must also meet property setback requirements. This means you will likely need a permit review before starting construction.

The City of Richmond’s homeowner/builder guide says that permits are not needed for patios and decks under 600 mm (2.0 feet) above grade. This means a composite deck above that height is more likely to need a building permit review before you begin work.

Richmond’s Building Regulation Bylaw is the main set of rules for building work in the city, including deck construction and permit management.