Floor Joist No Sill Plate

Sill plate repair replacement.

Floor joist no sill plate.

The floor joists and rim joists rest directly on the block wall. You can remove the rotted wood and cut new sections to replace the old one. I spent the last few days replacing a rotten sill plate the horizontal piece of wood that lies between the foundation and the floor joists. You don t need to use galvanized nails here.

It was 2x10 joists but no mudsill just sill seal. We worked for a builder about ten years ago that did something similar. How to open a garage door with a broken spring. A sill plate or mudsill is the bottom horizontal member of a floor system to which vertical members floor joists are attached sill plates are usually composed of lumber in sizes of 2 4 2 6 2 8 and 2 10.

After the house was framed we would go in the basement and nail 2x4 s up on the bottom of the joists tight against the inside of the foundation. Just the block cavities open to the conditioned space. I had never seen this before but it appeared to be causing no issues. Guess they never heard of uplift.

The main beam itself is held up by large support columns installed every few feet. If you have noticed that all of the floors in your home are sloping towards the center of the house this indicates there s something wrong with the main. Secure the new rim joist with 16p nails. There is no vapor barrier or covering of any type over the top of the block wall.

The floor supports did not look pressure treated but maybe the way they used to do things made this ok or the type of lumber that was used was more resistant to rot. The sill plate you use to replace the old plate should be made of pressure treated wood. The ends of the floor joists rest on the sill plate while the center of the joists rest on the main beam. As i started to shopvac the cavities last night i noticed that there is no sill plate.

I was inspecting a 30 year old home the other day and noticed in the crawl that there were no sill plates on top of the concrete block foundation.