![Polyglass Product](https://polyglass.us/wp-content/uploads/2020/06/polytherm-g-web.png)
Applicable Standards
![](https://polyglass.us/wp-content/uploads/2019/03/UL-Membranes.png)
![](https://polyglass.us/wp-content/uploads/2019/03/FM.png)
![](https://polyglass.us/wp-content/uploads/2019/03/FBC.png)
![](https://polyglass.us/wp-content/uploads/2021/11/miami-dade-1.png)
![](https://polyglass.us/wp-content/uploads/2019/03/ASTM1.png)
Polytherm G is a highly energy efficient rigid insulation board composed of a closed-cell Polyisocyanurate foam core laminated to inorganic coated glass facers for superior bonding characteristics. Polytherm G is manufactured with a facer ideally suitable for many types of roofing products, including the direct application of ADESO® dual-compound self-adhered membranes under most project circumstances. Available in flat and tapered panels.