Boss 334 - Window and Door Gun Foam - 24oz (Box of 12) badge-freedelivery Blue Board's closed cell structure

Blue Board's closed cell structure and lack of voids resist moisture penetration thus increasing its thermal efficiency and protecting underlying materials from water damage

smooth and easy to use

Fire resistant due to its high melting temperature

one (1) rebar hook

ensuring a hassle-free setup in framed rough openings

Boss 334 - Window and Door Gun Foam - 24oz (Box of 12) badge-freedelivery Blue Board's closed cell structureBoss 334 Window and Door Gun Foam is a low pressure, one component polyurethane foam specially formulated for sealing around windows and doors without causing frame distortion. Its controlled expansion, excellent adhesion, and flexibility make it the perfect solution for precision air sealing in residential and commercial construction. Product Features: Low Expansion Formula: Minimizes pressure to prevent bowing or warping of window and door frames.