Wet Floor Joists
If there was water damage make sure that whatever leaky pipe or condensation issue caused the rot is fixed.
Wet floor joists. Keep this process going until moisture is gone. Maximum floor joist span for no. Raised floors get wet in summer because of the combination of cool air conditioning and impermeable floor finishes in a humid climate.
Short videos and slideshow documenting our attempt at replacing rotten joists and flooring in a kitchen of a house we are currently renovating. 2 grade of douglas fir are indicated below. These problems must be addressed firsthand prior to implementing any restoration steps.
They will not weaken the floor joists but the presence of this fungus is an indication that the wood has been moist or wet for a long period. Cockroaches spiders and termites are just a few types of insects that are attracted to humid environments and the darkness of a crawlspace. However equipped with a dehumidifier and some fans it is easier than you think.
The water vapor found in the air of your crawl space will keep wood damp and cause floor joists and support beams to decay which could cause the foundation of your house to sag. The key is to isolate the area to use the dehumidifier followed by circulating air using the fans. A light spray foam coating on the joists.
This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. 1 ft 0 3048 m. Most often floor joists need to be sistered because of two problems either water damage which leads to rot or termite damage that crumbled the joist.
1 psf lb f ft 2 47 88 n m 2. This part of. Dead load weight of structure and fixed loads 10 lbs ft 2.