Insulation material used for roofing.
Function: Designed to reduce heat transfer, acting as a radiant barrier to keep spaces cooler in hot weather and warmer in cold weather.
Structure: Consists of a foam core laminated with reflective aluminum foil on one or both sides.
Dimensions: Commonly available in rolls measuring approximately \(1.5m \times 40m\) or \(1.2m \times 50m\), with thicknesses ranging from \(2mm\) to \(10mm\).