Example: air traffic controller
Compressible Closed Cell
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INSTALLATION INSTRUCTIONS for Pre-Hung Exterior …
images.thdstatic.com• Non-compressible or water degradable shims • Sealant (polyurethane if painted, 100% silicone if left exposed) and backer rod • Closed cell polyurethane low expansion foam (Dow Great Stuff™ Window and Door or equivalent) • Sheet metal flashing or …