- Insert plain end of the Drainage channel into back of Curb-O-Let. This allows the hub end to receive additional drainage channel and/or fittings (there are no gaskets).
- We do recommend using a Caulking Compound, Roof Mastic, Epoxy, Silicone, or other Approved Methods to join channel or fittings. Apply to the plain end of your channel or fittings and insert into the hub.
- Cover channel and fittings with: 4×4 W2.9 x W2.9 (4×4, 6×6 Gauge) wire mesh.
- Pour concrete.
- Make sure to pour concrete completely around rear of Curb-O-Let after inserting drainage channel. Fill all voids.
- Your installation is complete.
Curb-O-Let.Retro-fit
