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*The Angi rating for Deck Repair companies in Mandan, ND is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Repair needs.

*The HomeAdvisor rating for Deck Repair companies in Mandan, ND is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Deck Repair needs.

Last update on March 25, 2026

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Deck Repair questions, answered by experts

A wood deck requires annual cleaning and regular inspections for loose or broken boards, nails, and screws. It should be refinished by applying a stain or sealer every two to three years to protect the wood from water damage, rot, mildew, and sun fading. The exact frequency can depend on the climate and the deck's exposure to sun and moisture. If your deck is painted, it will need repainting approximately every 10 years. Signs that your deck needs refinishing include faded, splintering, or warping boards.

Before installing a deck, you must build a base for the deck to rest upon, often made of compacted soil or gravel. While gravel is an optional material, it helps with drainage. Some contractors also recommend installing a weed control membrane, which helps provide a solid foundation for the frame. In the case of an elevated deck, a pro will often lay down a concrete slab as a foundation. 

Trex states that its Trex decking is an eco-friendly composite material made of 95% recycled or reclaimed materials (including plastic and wood), making it a sustainable brand of choice. According to the company, Trex is one of the largest plastic bag recyclers in the U.S., with each 500-square-foot Trex deck containing about 140,000 recycled plastic bags.

In most cases, sanding an old deck before staining it is necessary to achieve a decent finish. If your old deck has a relatively new stain finish on it and you're only doing touch-ups, you can generally skip the sanding part. However, if your goal is to make the deck look and function better, sanding first is a must. 

DIY staining or painting is manageable with proper preparation, including safety measures, necessary tools, and adherence to safe weather conditions for application.

The Mandan, ND homeowners’ guide to deck repair services

From average costs to expert advice, get all the answers you need to get your job done.

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