- Heavy aluminum extruded tube HOTWELDED to a square flange and slatted for easy fastening.
- Available in sizes 1 1/4″ (31mm), 1 1/2″ (38mm), 2″ (51mm), 3″ (76mm), 4″ (102mm), 5″ (127mm), 6″ ( 152mm), 7″ (178mm) and 8″ (203mm).
- Custom sizes available by request.
- Order by pitch.
- Available in flat.
- Listed to meet Canadian and U.S. standards by QAI. Meets CSA B272 and IAPMO PS 64.
- Also available in TPO Direct Weld ™.