Foster 95-50

Foster Flextra Sealant is an off-white, one component, elastomer based product used as a vapour barrier sealant in the joints of cellular glass and urethane foam board stock insulations. It remains soft and flexible, preventing damage to the insulation due to thermal cycling through a wide range of temperatures. Operating temperature: on urethane foam -157 to 71°C, on cellular glass -129 to 71°C.