Points to consider when installing PIV units: Make sure you and the installer read the instructions fully before starting an install The units are very easy to install but positioning is important There must be adequate replacement air in the loft ...
Ethylene Propylene Diene Monomer EPR also called EPDM is an Excellent General purpose rubber. Excellent resistance to heat, cold, ozone, and ultraviolet light. This makes an excellent material for outdoor applications. Also has excellent chemical ...