Pressure Treated Windowsill

Am i missing something in the code or have i just assumed this all these years.

Pressure treated windowsill.

When you have a vertical wood post or column resting on concrete or another masonry and that concrete masonry itself rests directly on the earth then the post column must be pressure treated. Before the mudsill can be installed. 2 and better kiln dried heat treated spruce pine fir lumber model 0200352 10 64 10 64. What is commonly called an interior sill is technically the stool.

A windowsill is the part of a window that extends outside the house. Pressure treated hem fir lumber is ideal for a variety of applications including decks landscaping stair support walkways and other outdoor projects where lumber is exposed to the elements. This type of wood has been soaked in chemicals then placed in a pressure vacuum to pull the chemicals down into the wood fiber. Pressure treated bottom plates deal with the symptoms of the problem when a capillary break between wood and concrete deals with the cause.

Set your store to see local availability compare. Pressure treated wood is less commonly used on trim but is sometimes used for window sill applications. Keep the sill in one piece so you can use it as a model when cutting the new sill. Use the crow bar or chisel to slowly pry the windowsill off the window.

Pressure treated wood is not required if an impervious moisture barrier and a 1 inch metal or masonry pedestal separate the post from the earth by a total of 6 inches in basements or in weather exposed locations. 2 prime cedar tone ground contact pressure treated lumber model 253929 13 98 13 98. In looking at the irc it appears that this sill would not need to be pressure treated. A wood sill is one of the few exterior surfaces that presents a horizontal face to the elements making it vulnerable to rot.

One part of the foundation is more than 18 inches above grade level. This is where the wood meets the concrete. The sill plates were not pressure treated. This preserves the wood and makes it more resistant to wood rot.

While we may not care if pressure treated wood has high moisture content it won t rot we certainly do care about the studs connected to the sill they can. The pressure treated mudsill is the beginning of the framing process. Use a utility knife and if necessary a hammer to carefully break and remove any caulking or sealant that s binding the old sill to the window frame. This lumber is pressure treated in order to protect it from termites fungal.