OSI® QUAD® Foam Window and Door
![Product Image](/wp-content/uploads/2020/11/OSIQuadFoam640x390.png)
A single component, minimal expansion and low-pressure polyurethane foam designed specifically for use with the OSI® QUAD® Window & Door System. The closed-cell structure provides an R factor of 5 per inch of cured foam making it an efficient method for stopping air and moisture infiltration between windows and rough frame.