Treated Floor Joists Over Crawl Space

The moisture in the crawl space is much better but still.

Treated floor joists over crawl space.

With proper encapsulation you won t have crawl space moisture problems caused by warm air entering a cold air crawl space. A year ago i took out all of the old soaked fiberglass insulation. Any wood on a foundation wall and is less than 8 from the exposed ground. Floor joists in crawl spaces are closer than 18 to the ground.

The procedure for installing a floor structure over a slab with 2 by 6 joists can be adapted to larger joist sizes if more subfloor. If you have a dirt crawl space floor you re probably going to need crawl space encapsulation before you can focus on wood rot repair in the crawl space. Building a framed wood floor over an existing concrete slab can provide the space needed for electric wiring heat venting plumbing drain lines and added insulation when remodeling a basement or garage space. It is a 4 ft crawl space with 12 x9 vents and a vapor barrier over the dirt floor.

Generally newer home floor joists are made from 2x8s or new engineered i beams older homes however may have 2x6s instead. Cold air that sweeps through a crawl space meanwhile can lead to cold floors inside the home whether or not the space is wet. If you do use treated make sure it s nice and dry before installing wet wood is much heavier than dry and trying to work in a crawl space with heavier wood is no fun at all. Girders in crawl spaces are closer than 12 to the ground.

A jes expert can help you plan it out. In many crawl spaces as long as there is enough room to scoot along beneath the floor joists it s possible to reinforce the floor from beneath. A crawl space under a house helps protect against certain pests but a crawl space with abundant moisture can invite problems including mold wood rot and vermin. Over notching or not jacking enough.

I am going to sister every joist to repair the joists. The ends of wood girders entering into masonry foundation walls with less than 1 2 clearance.