Get matched with top deck maintenance specialists in Hahnville, LA

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.

The cost to repair a deck is between $900 and $3,500, depending on the cause and extent of the damage. For example, fixing a sinking deck caused by pest damage can cost between $200 and $600, while replacing sinking boards costs between $500 and $4,000.

As with patios, there are many types of deck choices to choose from to add personalization to your home. Some common deck options include:

• Attached decks are anchored to the home and include simple ground-level options or multi-level structures with stairways and separate landings. 

• Detached island decks are not attached to the home; they’re a freestanding structure in the yard. 

• Wraparound decks connect the back of the house with at least one other side and often are built with railings for safety. 

• Multi-level decks connect your deck through varying levels of elevation, featuring landings that are attached to stairs.

For a 12x20-foot (240-square-foot) deck, you can expect to pay between $7,200 and $14,400. This cost is based on a general price of $30 to $60 per square foot. The final price will depend on factors such as the decking material, design complexity, deck type, location, and local labor costs. Keep in mind that add-ons will increase the total; for example, adding an under-deck drainage system to a deck of this size could cost an additional $7,700.