Layout of Poly for Base & Cap ( When setting poly on vertically running rafters. ) - Back to Home Page
When using nominal 4 ft. on-center spacing.
Outside of structure to center of first or last framing member & Base is 48-1/2".
Dimension between Intermediate framing members & Base is 48-3/4" to 49".
 
When using nominal 2 ft. on-center spacing. .
Outside of structure to center of first or last Base is 48-1/2".
Dimension between Intermediate framing members is 24-3/8" to 24-1/2".
No spacers needed on blocking, but hold back 1/4" as shown above.
- -
• See Position & Attach for mid-sheet attachment of roof & wall sheets.
 
Sheet must be Install with ribs vertical with ribs vertical on walls and with the slope on roof.
 
.
Back to Home Page. -