Sub Floor Crawl Space Access In Old House

Drywall screw at an angle up through the joist and shim and into the subfloor.

Sub floor crawl space access in old house.

If the crawl space is too shallow to enter the only way to access the floor system is to remove the subflooring. There should be ventilation provided to ensure air flow in the crawl space. There is no insulation or vb placed in the floor assembly. Then the vb is placed on the ground and covered with washed stone or 2 of concrete.

Gently tap the shim into the space between the joist and subfloor. Some techniques can be done from above or below while others require access to. On 2020 08 16 by jan h bengston. By fall would like crawl space inspected various problems addressed by winter.

Don t drive it in too far because you will raise the flooring. If the crawl space is ventilated which is ideal because it aids in the elimination of moisture then fiberglass insulation can be easily installed under the subfloor between the floor joists. This method only measures subfloor thickness. Problems with putting wood flooring over a crawlspace.

Immediat problem is plumbing. Installing a hardwood floor directly over a crawlspace exposes the wood to moisture from the ground and from the air in the crawlspace. Outdoor crawl space access too small for safe access. You just want to fill the gap above the joist and take out any give in the floor.

However wood and engineered wood floors can be used safety if a vapor barrier has been installed in the crawl space to prevent moisture from. For additional support drive a 1 1 4 in. If you have an older subfloor constructed of multiple slats rather than large sheets of plywood you can insert your straight edge between the slats. A better way is to heat the crawl space.

It is important to secure insulation and cover it with a vapor barrier in order to prevent moisture and the mold that often follows close behind. Under floor ply and the joist space is insulated. But combined with other methods that measure the finish floor you can get a fairly accurate reading of total floor thickness. If the crawl space has any moisture problems then wood products should not be used the moisture will make the flooring rot and cup especially around any crawl space access doors in the floor.