ARDEX WPM 444 (Shelterbit Phoenix Star) is an APP (Atactic Polypropylene) plastomeric type modified bitumen membrane, consisting of a specially formulated bituminous compound of distilled asphalt modified with selected high grade visco-elastic polymers and reinforced with a combined reinforcement (polyester and fibreglass).
Excellent cold flexibility to -15°C
Heat welded laps provides homogenous joint
Good elastic memory
As a multi-layer system on concrete or plywood substrates, or as a single layer system on concrete substrates with a protective topping such as paving slabs or concrete.