Plumbing · P-EHH2S

Pipe Insulation Detail

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A pipe insulation assembly consisting of a central pipe wrapped in fiberglass insulation with an all-service jacket and an outer white PVC protective jacketing. Where piping is exposed or unconcealed, white PVC jacketing is installed indoors and outdoors, with all seams, joints, and ends made watertight using silicone caulk and approved adhesive. Jacket seams are oriented in the least visible location inside buildings, and positioned on the bottom of piping when exposed to exterior weather. An accompanying insulation thickness schedule specifies minimum required thicknesses and R-values ranging from 0.75 to 1.5 inches for hot water and cold water freeze protection based on nominal pipe diameters.

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