The frames for HP6 these windows are common made through
se20 three regarding materials. The three types are UPVC
ub10 (polyvinyl SW11 chloride) that is unplasticised,
UB10 hardwood,
BH16 and [[
https://tradersdirect.co.za/author/lonzbp42185/ ub10]] light weight aluminum.image url="
https://slika.nezavisne.rs/2018/05/750x450/20180514204635_478395.jpg"