Through wall / parapet outlet sleeves in TPE material designed to protect and waterproof drainage outlets on roofs, balconies and terraces.
Installed in the sandwich method between two layers of waterproofing membrane. They are durable and hard wearing and can tolerate hot melt and heat bonding (but not direct contact with a flame).
Manufactured with a large flange to present around the mouth of the outlet with perforations to allow bituminous and liquid membranes to ooze through to create an over-and-under bond. They can also be mechanically fixed beneath the waterproofing system. Always use a suitable primer before bonding.
Have a rectangular shaped spigot 425mm long to insert into the drainage hole of a parapet or structural wall. Can be used with horizontal or vertical outlets and roof drains.