Do You Have To Remove Subfloor To Replace Floor Joists

Replacing a floor joist incorrectly may weaken the structural integrity of your house putting your safety and your house s value at risk.

Do you have to remove subfloor to replace floor joists.

He removed the subfloor out to the floor joist beyond the damaged area. While it is a good idea to replace rotted material with 2x8s it may require some notching to fit between the sub floor and ledger board. When you replace the subfloor the new ends have to sit on the joists so cut out your wet subfloor along two joists on either side of the damage. Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead.

Make sure to get all of the damaged or moldy. Replacing a floor joist is a big job. If only a few joists are rotted primarily at the bottom they can be repaired using a process known as sistering after the rot is cleaned away and the timber treated to prevent more problems a new joist is laid beside the old one and fastened to it. Replacing a foundation floor joist requires protective gear experience with carpentry tools and the ability to work.

A shop vac helps to clean out sawdust and other debris in the area under the subfloor. Unless the subfloor can be removed you access the joist through a crawl space. If you don t have any carpentry experience you may want to call a professional carpenter to handle the project. First remove electrical cables pipes and other obstructions.

Since it s vital to the stability of your home s floors you should contact a pro for replacements repairs or installations. Remove the floorboard closest to the damage and then use the hole you make exactly to see which ones need replacing. It can also become sloped over time. Do not remove any floorboards that are not absolutely required and always start with the most obvious choice.

Moisture and pest infestation can damage subfloor. How much repairing floor joists should cost. Step 2 mark the old locations. Average costs and comments from costhelper s team of professional journalists and community of users.

Chad placed a pressure treated 2 6 scab along one of the damaged floor joists to add strength and to provide a solid fastening area. Homes with floor joists need a base to provide a surface on which to lay carpet ceramic tile hardwood laminate and or vinyl.