Product Description :
UPVC (Unplasticised Polyvinyl Chloride) & only those additives are used that are essential in producing sound extrusions in accordance to BIS 7413:1991. The main profiles shall be multi chambered with a min. of three chambers. The central chamber, being for reinforcement shall be fully sealed when main profiles are welded at joints. Water drainage path is in a separate chamber & does not affect the integrity of the central chamber.