Armaflex 3 foot x 4 foot x 1" thick sheet insulation. Sold per sheet. The same material used on Armalex tubular pipe covering and used to insulate ductwork, valves and fittings and can be sealed with IG1005 520 adhesive. Rated -40 to +220 F..
Armaflex sheets are a close-celled rubber foam which is very flexible. Used to retard heat and control condensate drip from cold water plumbing, chilled water and refrigeration systems. It also reduces heat loss for hot water plumbing and heating systems.