Use foam tape with sheets of poly over 10 feet, especially bronze poly. ------- Back to Home Page
The expansion and contraction of poly can create noise, follow instructions below.

Foam tape gets applied as shown for Base & Cap System™.

In Base there is a 1/2" channel to put tape in. Use care to not overlap 1/4" shelf to right and left of channel.

Purlin & Blocking Note: On high friction surfaces, such as gloss paint or spar varnish, best to apply tape. Place row along top & lower edge of purlin or blocking.

- Tape not required on low friction surfaces, such as uncoated wood, aluminum or steel.

If spacer used, to set back blocking, then no foam tape required at blocking.

Note: Sufficient quantity of foam tape provided, at no cost, with your Base & Cap order. Note: PVC will outgas and attack the poly. Only use our tape.

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