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  • Average homeowner rating star icon4.7
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  • Verified reviews icon22
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Avatar for Nate Alford Construction
Nate Alford Construction
4.9(
9
)
Deck, Fence, Patio or Porch - Clean and Seal

Serving Rapid City, SD and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

"Our Deck was replaced with pavers for fire mitigation. Nate did a super job laying the pavers on two separate levels. Because of the very good work that he did for us we had him come back and do several handyman projects in our home."
porch
full bathroom remodel
updated kitchen
barn loft stairs
custom patio

+12

Response time1 day
2 neighbors recently requested a quote
Recommended by88%of homeowners
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Deck Maintenance questions, answered by experts

Wood decks need to be replaced every 10 to 15 years on average. Natural wood is highly vulnerable to infiltration and damage from moisture, which can occur rapidly due to exposure to outdoor elements. You can protect your deck and maximize its lifespan by sealing it every year or two.

A random orbital sander is best for sanding a deck because it is easier to handle than other power sanders and is less likely to damage the wood. Most decks are made of types of softwood, so a gentler sanding process is essential to prevent permanent blemishes. For example, belt sanders can gouge softwoods.

Staining and sealing the underside of a deck creates a moisture barrier but traps water in the boards, quickly leading to rot. No matter how well you seal the above deck, water still gets through via nails and screw heads on the surface. Allow this water to flow naturally under the deck, where it is routed through the drainage system.

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.

A quality, well-maintained PVC decking can last 30 to 50 years. It’s known for being one of the most durable types of decking materials, with composite decking having a 25- to 30-year average lifespan and some softwood deckings only lasting 10 to 15 years. Luxury hardwood decks like Ipe may last longer than PVC decking, but they can cost more and require more maintenance.

The Rapid City, SD homeowners’ guide to deck maintenance services

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