Replacing Rotted Subfloor

Otherwise cut a small test section with a starting height of about 3 8 inch on the damaged edge furthest from any walls.

Replacing rotted subfloor. See professionally prepared estimates for subfloor repair work. The demolition stage of repairing a rotted section of subfloor is like cancer surgery. Most subfloors are wood planks or plywood which allows cutting out sections. Use 5 8 cdx plywood to replace the original subflooring.

If you ve had a recurring leak your floor joists might be rotted and weakened too. Pull nails before cutting along joists. The cost to repair a subfloor starts at 36 89 56 75 per square foot but can vary significantly with site conditions and options. Nail a piece of similarly dimensioned wood to the joists over the rotted part.

Get fair costs for your specific project requirements. Allow rotted areas to dry out then apply a coat of wood preservative to damaged and discolored areas. Cost to replace repair or install subfloor the average cost to replace or repair a plywood subfloor in a 306 square foot room costs 555 or between 490 and 600. This exterior grade plywood is a good choice for damp or occasionally wet areas because it can withstand a moderate amount of moisture without deteriorating.

Once you get started you must keep following the path of the water born destruction until you reach the full extent of the damage. Adjust the height of your saw to 1 2 inch and so on until you know the true thickness of your subfloor. Make the reinforcement long enough so that you can nail it to good wood on both ends. The cost to replace repair or install subfloors includes two components.

In cases of severe rot extend. You don t always know where the surgery will take you. Sometimes it extends along subfloor framing for some distance. Then cut out the damaged subfloor in a rectangular shape so that all remaining edges are undamaged.

Learn from ashlee cody as they diagnose their moisture issues fix thei. Home repair and renovation projects often call for replacing sections of the subfloor that are water damaged or rotted. See typical tasks and time to repair a subfloor along with per unit costs and material requirements. The average cost to install a new plywood subfloor is 620 or between 572 and 720.