... fabricBreathable roofing underlay1).Excellent Performance at water resistance2).Light and thin, antiskid, with good low temperature flexibility, ... paved;3. Heat reflection, heat insulation, and sound insulation, anti-radiation and shielding.4. Moisture barrier, waterproof, good ... efficient, healthy method of temperature control and energy savings. [Anti-UV] Waterproof and Breathable Roofing Underlay