... the thermal insulation layer. It is applied to the composite outer wall or sloping ... Heat reflection, heat insulation, and sound insulation, anti-radiation and shielding.4. Moisture barrier, waterproof, good sealing property, heat preservation, energy saving..5. Moisture barrier, heat insulation, heat ... of temperature control and energy savings. [Anti-UV] Waterproof and Breathable Roofing Underlay