New factory built insulated watertight pipe chase approximately 10 ft long. It can be installed below grade without additional structural support.
The chase opening will fit at least a 3-inch sewer pipe and 3/4-inch water supply line. It consists of a 12-inch diameter exterior plastic pipe with a 6-inch diameter inner plastic pipe sandwiching 3 -inches of foamed-in-place poly-iso insulating spray foam (R-6 per inch).
I have used identical chases to bring the sewer and waterline up vertically from the frost line through an un-insulated crawl space into the house. Could be used for a cabin, mobile home or RTM.
Original cost $800. Will sell for $150.
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