The icon "3 layers | Polystyrene" means that the embossing of a design or the color of Garaga garage door is available for our doors built with polystyrene insulation bonded to 2 steel layers (Steel + Polystyrene + Steel). This construction has a thickness of 2". The R-Factor of this construction is 8.7.
Example of a "3 layers | Polystyrene" construction
- Polystyrene insulation pressure bonded between two layers of steel for energy efficiency
- 2” tongue and groove meeting rail to provide a weathertight seal between sections, and rails are hemmed the entire length of the section for added strength and safety
- Full length reinforcing plates to solidly attach hinges and struts