What You Need to Know About Composite Decking Materials
- Ryan Michael
- May 15
- 4 min read
When it comes to enhancing your outdoor living space in Kirkland, Bellevue, Bothell, or the surrounding Seattle area, choosing the right decking material is crucial. Composite decking materials have become increasingly popular among homeowners who want a durable, low-maintenance, and attractive deck. In this post, I’ll walk you through everything you need to know about composite decking, from the basics to costs and maintenance tips, so you can make an informed decision for your home.
Understanding Composite Decking Materials
Composite decking materials are engineered products made from a blend of wood fibers and recycled plastics. This combination creates a material that looks like wood but offers superior durability and resistance to weather, insects, and rot. Unlike traditional wood decks, composite decks don’t require regular staining, sealing, or painting, making them a favorite for busy homeowners who want to enjoy their outdoor space without the hassle of constant upkeep.
In the Pacific Northwest, where moisture and rain are common, composite decking materials provide an excellent solution. They resist mold and mildew better than wood, which means your deck will stay looking great even after wet winters. Plus, composite decking comes in a variety of colors and textures, allowing you to customize the look to match your home’s style.

If you’re wondering what is composite decking, it’s essentially a smart alternative to traditional wood that combines aesthetics with performance. This makes it a smart investment for homeowners who want long-term value and peace of mind.
Benefits of Choosing Composite Decking Materials
There are several reasons why composite decking materials are a top choice for homeowners in the Seattle area:
Low Maintenance: Composite decks require only occasional cleaning with soap and water. No sanding, staining, or sealing is needed.
Durability: Resistant to fading, scratching, and staining, composite decking holds up well against the elements.
Eco-Friendly: Many composite products use recycled materials, reducing environmental impact.
Safety: Composite decking often features slip-resistant surfaces, which is important in rainy climates.
Aesthetic Variety: Available in multiple colors and finishes, composite decking can mimic the look of natural wood or offer a modern appearance.
For homeowners in Kirkland, Bellevue, and Bothell, these benefits translate into a deck that looks great year-round and requires less time and money to maintain. This is especially valuable for busy families or those who want to maximize their outdoor enjoyment without the stress of upkeep.
How much would a 20x20 composite deck cost?
One of the most common questions I hear is about the cost of installing a composite deck, especially for a standard size like 20x20 feet. The price can vary based on several factors, including the brand of composite material, the complexity of the design, and any additional features like railings or built-in seating.
On average, you can expect to pay between $7,000 and $15,000 for a 20x20 composite deck installation in the Seattle area. Here’s a breakdown of what influences the cost:
Material Quality: Higher-end composite decking with enhanced durability and color options will cost more.
Labor: Skilled installation is key to ensuring your deck lasts. Labor costs can vary depending on the contractor and project complexity.
Additional Features: Adding railings, stairs, or lighting will increase the overall price.
Site Preparation: If your yard requires grading or removal of an old deck, this will add to the cost.
Keep in mind that while composite decking may have a higher upfront cost compared to wood, the long-term savings on maintenance and replacement make it a cost-effective choice. Plus, a well-installed composite deck can increase your home’s value and curb appeal.

Maintenance Tips for Composite Decking
One of the biggest advantages of composite decking materials is their low maintenance requirements. However, to keep your deck looking its best, here are some practical tips:
Regular Cleaning: Sweep debris regularly and wash the deck with mild soap and water at least twice a year.
Avoid Harsh Chemicals: Use cleaners specifically designed for composite decking to prevent damage.
Prevent Stains: Clean up spills promptly, especially from food, grease, or oil.
Protect from Scratches: Use furniture pads under heavy items and avoid dragging furniture across the deck.
Inspect for Damage: Check for any loose boards or fasteners and address them promptly.
Following these simple steps will help your composite deck maintain its beauty and functionality for many years, even in the wet Seattle climate.
Choosing the Right Contractor for Your Composite Deck
Selecting the right contractor is just as important as choosing the right materials. When looking for a professional to install your composite deck in Kirkland, Bellevue, Bothell, or nearby communities, consider these factors:
Experience with Composite Decking: Ensure the contractor has a proven track record with composite materials.
Local Knowledge: A contractor familiar with Seattle-area weather and building codes will provide better results.
Transparent Pricing: Look for clear, detailed estimates without hidden fees.
Strong Communication: Choose a contractor who listens to your needs and keeps you informed throughout the project.
Positive Reviews: Check online reviews and ask for references to gauge customer satisfaction.
A quality contractor will not only install your deck correctly but also help you select the best composite decking materials for your home and lifestyle.
Enhancing Your Outdoor Space with Composite Decking
Composite decking materials open up many possibilities for creating a beautiful and functional outdoor living area. Here are some ideas to consider:
Multi-Level Decks: Add dimension and interest with different deck levels for dining, lounging, or gardening.
Built-In Seating: Incorporate benches or planters for a cohesive look.
Outdoor Kitchens: Use composite decking as a durable base for cooking and entertaining areas.
Lighting: Install deck lighting to extend usability into the evening and enhance safety.
Privacy Screens: Combine composite materials with lattice or fencing for added privacy.
These enhancements can transform your backyard into a welcoming retreat that suits your family’s needs and lifestyle.
Choosing composite decking materials is a smart investment for homeowners in the Seattle area who want a beautiful, durable, and low-maintenance deck. By understanding the benefits, costs, and maintenance involved, you can confidently plan your next outdoor project. Whether you’re in Kirkland, Bellevue, Bothell, or nearby communities, a well-designed composite deck will provide years of enjoyment and add lasting value to your home.



