The spliced portions should be carefully trimmed so that they fit tightly to the inside of the pipe sleeve.

Insulate any pipes that run through unheated crawl Spaces. Wrap them with fiberglass insulation and tape or put preformed pipe sleeve insulation along the pipes, then tape the sleeves in place.

The Red Valve Hawse pipe valve features a flexible reinforced elastomer sleeve that seals tightly around the anchor chain or cable.