Get matched with top deck cleaning pros in Unalaska, AK

Composite decking requires a solid foundation or substructure for support. This base is typically a frame composed of posts, beams, joists, and footings. The frame can be built from various materials, such as composite, plastic, timber, or metal, depending on your budget, deck type, and environmental conditions. For maximum stability, a professional deck builder may recommend installing this frame on top of a solid concrete base. It is best to discuss the most suitable substructure design and materials for your specific project with a professional.

Yes, it is generally safe to have a fire pit on a deck, but you must adhere to building codes and take several safety precautions. For both built-in and freestanding models, you must use a heat-resistant barrier, such as a fire pit pad or heat shield, between the pit and the deck. Additionally, consider the weight of the fire pit and ensure your deck can structurally support it, reinforcing it if necessary. The fire pit must also be positioned a safe distance from your house, particularly from materials like vinyl siding, to prevent heat damage.

Applying too much sealer to a deck might seem like extra protection, but it can cause more harm than good. Wood is a porous material with a limited capacity to absorb liquids. When you go overboard with sealer, the excess can't soak in and instead forms a film on the surface. This leftover layer is prone to peeling, cracking, and trapping moisture, ultimately defeating the purpose of sealing in the first place. 

In many areas, a floating deck that isn’t connected to your home and stays under 200 square feet and below 30 inches in height may not need a permit. These freestanding structures are often considered low-risk, which can simplify the building process. However, building codes vary greatly based on location. Before investing in any home improvement project, check with your local permitting office for deck-building guidelines.