There are different types of membrane materials available, depending on the function of the building.
Thermoset membranes provide excellent UV protection.
Thermoplastic membranes, such as TPO, are plastic-based materials. These membranes include a reinforcement layer that provides additional strength.
Besides excellent UV protection, Single-Ply membrane roofing has far less odor than the traditional BUR system.
In recent years Single Ply systems have surpassed the BUR system in squares applied. Single Ply membranes have made tremendous strides in quality in the past few years as well.