Floor Access To Crawl Space

Doing so however requires cutting through cement block and building a new door.
Floor access to crawl space. It should be undertaken only after you have exhausted all other possible options for accessing this space. Over the years as plantings grow and modifications are made the location of the original access could become extremely inconvenient. Wood floors and engineered wood flooring do not perform well in the presence of moisture. Crawl space openings through a perimeter wall shall be not less than 16 inches by 24 inches.
Access openings to a crawl space through the floor shall be a minimum of 18 inches by 24 inches. When cutting through your floor for access locate the opening in a closet where it can t be seen or in a corner of a room where a rug will cover it. Cutting through your floor to access your crawl space is not a simple task. The only solution is to create a new access door.
If the crawl space is too shallow to enter the only way to access the floor system is to remove the subflooring. Some techniques can be done from above or below while others require access to. 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. Your local building department might permit construction over an inaccessible crawl space but i d not do it.
Floor access panels provide a secure access to basements crawl space and lower levels.