50' smf-4 - expansion joint

PRODUCT DESCRIPTION

SMF Stands for Straight Metal Flange. Galvanized strips are 4" wide. Foam is 4" wide for a 1" to 2" roof structural opening. · Used for wide cant-to-cant applications. Fastest installing expansion joint available. Smooth hinge area where nailers meet bellows, preventing a water dam. Stripping in flanges with layers of felt is optional. Can be supplied with pre-applied butyl tape on nailers.