Replacing Sill Plate In Sections

If your threshold is in rough shape replace it.

Replacing sill plate in sections.

A sill plate or mudsill is the bottom horizontal member of a floor system to which vertical members floor joists are attached. If the wall is not exposed use the drywall hand saw to make a. Hopefully it is only the rim joist and the sill plate and the rot does not extend into the joists the subfloor or other areas. Sill plate repair replacement.

Removing and replacing a rotten sill plate. A rotten sill plate is a common occurrence in old houses and a big problem. 3 6 3 8 4 6 4 8 and so on. The sill is beveled on one side to drain water away from the house.

Step 3 a closer look at the rotted sections reveal bunched up soft materials. A local contractor looked at it and said it would be an 1800 3500 job to repair the sill plate and rim. Most exterior thresholds also have a sill beneath them. Since the new wood is probably not going to fit in the area if it is sagging you may need to use.

The damaged wood is on the wall running parallel to my floor joists. By mark clement. Floor feels sound no cracking etc. I believe it was caused by borer beetles.

The technique does not require a lot of expertise but definitely some elbow grease. The sill is the piece of wood closest to the ground either on a foundation or piers and is usually a timber sized board. For this tutorial we will cover replacing a 6 foot section of sill plate and one 2x4 stud. As expected the bottom sill plate in this section is pretty much gone and so is most of the top sill plate fig 7 2.

Rotted ledger boards or sill plates must be replaced to prevent structure failure. From the crawl space all other wood appears feels strong and sound. Sill plates are usually composed of lumber in sizes of 2 4 2 6 2 8 and 2 10. I found a completely rotted out section of sill plate and rim joist on the corner of the northwestern wall of my house.

In modern construction the sill plate is made of treated lumber and is. Step 1 lay plastic sheeting on the floor where you will be working to protect the floor and collect debris. A friend who used to be a carpenter said i could just remove as much of the old sill plate as possible and then cut a new section and bang it in there. Thresholds come in wood and metal both of which come with a rubber gasket for sealing out the cold.

Rim joist doesn t look too bad but i need a closer look. The next thing you will need to do is remove all of the rotted wood and then cut new sections of wood to replace the old. If the threshold is rotted the sill probably is too.