uPVC
Photo: www.pubchem.ncbi.nlm.nih.gov
polyvinyl chloride–easy to handle, very durable, has high mechanical strength and it is extremely resistant to weather condition and sunlight
material completely safe to human
uPVC window frame with conjunction with triple glass = saves energy and money
100% recyclable–once produced, the material can be used up to 7 times
PVC profiles are easy to clean and do not require significant maintenance
resistant to heat, rain, cold, growth of mold, fungus, mechanical damage and chemical agents–will not rot, corrode or peel
no need to paint or seal