The Ultimate Deck Repair Checklist

Decks are a major investment, with the average cost to build a deck at $8,250, so the idea of replacing it when it’s older can be distressing. If your deck is in disrepair, never fear. This deck repair checklist will help you make your deck look good as new in no time.

Deck Repair Supplies List

Before starting your deck repair project, you need the correct supplies. Here’s what you’ll need to inspect, maintain, and repair your deck:

• Deck cleaner

• Pressure washer

• Scrub brush

• Spare deck boards

• Hammer

• Screwdriver

• Deck nails

• Deck screws

• Deck stain

• Deck sealer

• Brushes

• Rollers

• Drop cloths

Inspecting the Deck

Inspect the deck to see the type and extent of the damage. Here’s a list of items for you or your local deck builder to check during the inspection:

• Ledger board flashing

• Decay on joists and support posts 

• Damage to deck boards

• Loose deck boards

• Protruding nails

• Signs of pest infestation, such as rotted areas or small holes

• Handrails’ lateral stability

• Support posts at grade level

• Railings meet the current deck railing code 

Cleaning and Stain Removal

Next, it’s time to clean your deck to prepare it for repairs. Here’s how to effectively clean your deck and remove stains.

• Sweep the deck to remove dirt and debris

• Check between deck boards for any stuck debris and remove as needed

• Pressure wash the deck carefully using a deck cleaning solution

• Use a soft brush and cleaning solution to scrub away any stains

Replacing Damaged Boards

Once the deck is clean, you can begin repairs. Follow this checklist to replace damaged deck boards the correct way.

• Remove the damaged boards

• Measure the old board and buy a replacement in the same size

• Cut the new board to size, if needed

• Attach the new boards to the deck using deck nails or screws

Inspecting and Tightening Fasteners

The fasteners on your deck keep everything securely in place, ensuring your deck is safe to use. 

• Check that the ledger board is fastened securely to your home

• Inspect the stairs and railings to ensure they are fastened to the deck

• Check for loose fasteners on the stair risers and stringers

• Look for loose nails or screws that could be a tripping hazard

• Check all the screws, nails, and other fasteners for rust

• Tighten loose fasteners as you inspect them

• Replace rusty nails or screws as you find them

Staining and Sealing the Deck

Staining and sealing a wood deck can repair damage and prevent future issues. 

• Remove furniture, plants, and other items from your deck and cover them with plastic

• Protect the doors, trim, and siding using drop cloths 

• Sand the deck to remove any built-up stain or sealer and smooth splinters

• Sweep the deck carefully to remove dust and grit from sanding

• Apply deck stain using a brush, roller, paint pad applicator, or sprayer

• Apply a second coat of stain per manufacturer instructions

• Apply a coat of sealer if necessary