The Laguna PT590 is a moisture-cured sealant that can be used in the following ways:
The Laguna PT590 Pond Waterfall Foam Filter for PT495 is ideal for use when constructing a pond and/or waterfalls. This pond foam filter can be used to bond rocks to spillways, and to direct water over falls. This pond waterfall foam adheres to most construction materials. This Laguna PT590 foam dries tack-free in 5 minutes, is cuttable in 1 hour, and cures in 12-24 hours.
The Laguna PT590 specifications: