Purlins

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Purlins

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The risk of condensation is generally inside the attic. If you have good attic ventilation that meets code, you should not need battens to create a thermal break on the roof. Here's a link to a webinar on this topic that I have done: https://www.youtube.com/watch?v=NYwD9CWveKY

Todd Miller
2023-10-27 00:58:19.038021

Hello. Are purlins needed as an extra layer between underlayment and metal roof? We are concerned about condensation trapping moisture.

2023-10-26 20:18:15.076954

Thank you for your quick response!

2023-10-27 09:19:57.415917