Solid PVC Door Frame shall be of the size 50 X 47 mm made out of 5 mm PVC sheet. The door profile is to be reinforced with 19 X 19 mm MS Square tube. EPDM rubber gasket weather seal shall be provided through out the frame. The profile shall be mitre cut at two corners and joined by inserting 2 nos. of 150 mm long brackets of 15 X 15 mm MS square tube inside the 19 mm X 19 mm MS square tube and suitably screwed.