Our company is located in China. It is a manufacturer with nearly ten years of production experience and specializing in the production of porous vapor barriers! Excellent technology, trusted by customers! The products are sold to many countries and are well received! The porous vapor barrier is composed of pure aluminum foil and polyester yarn, which can reflect at least 97% of the radiant heat and effectively cool the air in the room below. It is also suitable as a vapor barrier to avoid roof leakage. Save energy and reduce losses. Used for heat insulation of roofs, walls and buildings. The radiation protection layer can be applied as a surface layer to rock wool, glass wool, flat panels, ceilings, duct air conditioners, pipe sections and wall insulation materials.