Over sill flashing

Type OS1

If you require a welded over sill please select this link

Over sill flashing

Type OS1

These flashings are commonly used on the top of an existing PVC window sill. They are normally adhesively fixed to the PVC so are not suitable for exposed areas.

These flashings can be supplied with welded end cap, push in end caps (Full depth or 50mm deep) and joint clips.

Please complete this spread sheet if you require this type of flashing.

Over sill - Type 1