Pressure Treated Window Sill

The sill plate transitions between the foundation and the wood framing of the walls.

Pressure treated window sill.

Pressure treated bottom plates deal with the symptoms of the problem when a capillary break between wood and concrete deals with the cause. Woodgrain millwork wm 7117 1 1 4 in. The sill plate is treated to act as a barrier keeping out termites and other critters and keeps moisture from getting under the wall framing and causing water damage. Acrylic bullnose window sill moulding 10 model n6c72aw 70 09.

Use the crow bar or chisel to slowly pry the windowsill off the window. Polystyrene window sill moulding 2 model 10000948 4 02 linear foot. Pressure treated wood is less commonly used on trim but is sometimes used for window sill. Cedar is one of the most commonly used wood species for exterior trim.

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. 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. Siltech innovative windowsill products antique white 1 2 in.