Brick Window Sill Flashing

Hard to retrofit existing brick sills.

Brick window sill flashing.

One of the most common moisture infiltration locations in masonry flashing occurs at joints or laps in the flashing. Click here to get tim s free funny newsletter. Flashing extend through the brick to the exterior face of the wall at the lower end of the flashing and be turned down at least to in. Sill flashing controls water that penetrates through the masonry sill and helps control water penetrating the perimeter sealant joint around the windows.

Brick window sill leaking tips. 6 mm to form a drip. Flashing a window opening in a thick wall deeper than 6 inches is a critical step in preventing bulk water intrusion. It s a good idea to caulk.

Fill the top section of the joint with a high quality rubberized caulking. Leak proof brick sills are ones that have flashings under them. Multiple joints increase the risk of developing excessive water penetration into the masonry below. Self adhered flashing can be awkward to work with and it is not uncommon to end up with gaps between pieces or tenting and incomplete contact.

As part of the renovation to a 1970 s raised ranch the energy performance is being significantly improved. Solvent based silane siloxane sealer could help stop leaks. Use thin bendable stainless steel for best flashings see below. These flashings are especially important when using rowlock brick sills or other sills that have many joints.

Product information all trim is custom made to your size and color. Masonry copings copings constructed with stone precast concrete or masonry should not be considered watertight. If the window or door is near the base of the wall the flashing should form a continuous envelope and be connected to the adjacent wall flashing. With brick veneer on studs the flashing at the head must be extended up along the sheathing and lapped by the building paper at least 4.

Find your coil color measure your sill area and get product delivered to your door. The flashing at the sill should extend beyond the ends of the sill to the first head joint outside of the jamb of the opening and should be turned up and outward for a distance of at least. You can do it using either stretchable or non stretch flashing tape. Custom cut aluminum window sill with brick flashing available here.

That will protect against any water entering the sill and infiltrating behind the sheathing.