Composite Decking

Composite decking mimics the look of real wood while providing you with excellent durability. This flooring type is made from both wood fibers and...

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Composite decking mimics the look of real wood while providing you with excellent durability. This flooring type is made from both wood fibers and thermoplastics and is more affordable than wood decking, making them ideal for outdoor spaces.

Frequently Asked Questions

What is composite decking?

Composite decking is an outdoor decking material made from a combination of wood fiber and plastic polymers, engineered to mimic the appearance of natural wood while eliminating most of its maintenance drawbacks. It does not rot, splinter, or require annual staining or sealing like natural wood. Most composite decking products have a protective capped surface that resists fading, staining, and moisture penetration, making them a long-lasting, low-maintenance choice for outdoor decks and structures.

How does composite decking compare to natural wood?

Composite decking costs more upfront than pressure-treated wood but significantly less over its lifetime when you factor in the ongoing cost of staining, sealing, sanding, and replacing boards that natural wood requires. Composite will not splinter, rot, or warp the way wood does, and it maintains its appearance with minimal effort. Natural wood has a warmth and authenticity that some homeowners prefer, and it can be refinished. For most homeowners who want a beautiful deck without the annual maintenance commitment, composite is the better long-term value.

What is the difference between capped and uncapped composite decking?

Capped composite decking has a protective outer shell -- typically a polymer or PVC cap -- that wraps around the wood-plastic core on all four sides or just the top and sides. This cap resists moisture, staining, mold, and fading more effectively than uncapped composite. Uncapped composite is less expensive but more susceptible to moisture absorption, staining, and color fading over time. For most outdoor applications where the deck will be exposed to the elements, capped composite is worth the additional investment.

Does composite decking get hot in the sun?

Composite decking can get warm in direct sunlight, particularly darker colors. Lighter board colors absorb less heat and stay cooler underfoot in summer. Capped composites tend to perform better in direct sun than uncapped products. If your deck is in full sun and will be used barefoot regularly, choose a lighter color and consider a product with heat-dissipating technology if available. Composite generally performs better in direct sun than dark natural wood or metal deck surfaces.

How long does composite decking last?

Quality capped composite decking is designed to last 25 to 30 years or more with basic maintenance. Most manufacturers back their products with warranties ranging from 25 years to lifetime coverage for residential use, covering fading, staining, and structural integrity. The actual lifespan depends on installation quality, climate conditions, and how well the deck is maintained. Proper ventilation beneath the deck and regular cleaning are the two biggest factors in maximizing the life of a composite installation.

What do I need to know about installing composite decking?

Composite decking requires a properly built subframe with joists spaced to the manufacturer's specifications -- typically 12 or 16 inches on center, though some products require closer spacing at angles or in high-traffic areas. Composite expands and contracts with temperature changes, so proper spacing between boards and at board ends is critical. Use fasteners specified or approved by the manufacturer -- hidden fasteners create a cleaner look and protect the board surface. Always follow the manufacturer installation guide, as improper installation can void the product warranty.

Can composite decking be painted or stained?

Most composite decking is not designed to be painted or stained, and doing so can void the warranty. The protective cap on most composite products does not absorb stain the way natural wood does. If you want to change the color of a composite deck, consult the manufacturer first. One of the advantages of composite is that it maintains its color without staining -- choosing the right color at purchase is important since refinishing options are limited compared to natural wood.

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