The Properties of Polyurethane Foam Foam Allow The Roof Repair with Seamless Thermal Insulation and Sealing in a Short Time. The Foam with a Homogeneous Layer Covers the Roof, While Filling and Sealing All Defects and Holes, As Wellm Joints Near Chimneys and Ventilation Durts. Along with The Above, It Effectively Eliminates the So -Called “Cold Bridges” — The Location of the Subsequent Row of the Rooof on the Previous Row.