I've cut them from torch-on deck/roofing material, could also use sheet neoprene or thin cork, with some silicone at the hole the wire goes thru ... I've found the gaskets are only available new with the lights they fit

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature we find it attached to the rest of the world" John Muir
"When we tug a single thing on an old truck, we find it falls off" me
Some TF series details & TF heater pics & Rust-a-holics Unanimous parking lot