Aquascape waterfall foam is used to stick rocks down within a stream or waterfall (to the EPDM liner) Only the rocks in "transition" areas need to be stuck down.
The Elevate EasySealant is designed to seal, adhere and repair Elevate EPDM membranes. It will ensure a strong and durable watertight connection to different types of substrates (EPDM to EPDM, wood, metal, concrete, stones, etc.).