Insuledge flexible insulators for glass are dual sealed with polysulfide and EN1279-2, 3, and 6 rated in Europe.
They are warm-edge spacers that are said to be the only hollow, flexible, nonmetal insulators available for glass. The insulators have good U values and a high moisturevapor-transmission index.
TruSeal Technologies Inc.,
23150 Commerce Park, Beachwood, OH 44122,
(216) 910-1500, truseal.com