Can Alpha Systems Superflex TPO Be Installed on ZIP System Green Roof Sheathing
Updated 09/09/2025 | Published 01/23/2024
Products Featured in This Question
Question:
can Zip system sheathing green board by Huberwood be used as underlayment for TPO?
asked by: Dean
0
Expert Reply:
Yes, you can use the ZIP System Green Roof Sheathing as an underlayment for the Alpha Systems Superflex TPO RV Roof Membrane # AL25CV.
Don't forget to also pick up the Alpha Systems RV Roof Replacement Installation Kit # AL63FJ as well since it comes with all of the parts needed to get the TPO properly installed on your RV!
expert reply by:
Jon G
0
Product Page this Question was Asked From
Alpha Systems Superflex TPO RV Roof Membrane - White - 20' x 9-1/2'
- RV Roof Repair
- Roof Membrane
- TPO Membrane
- EPDM
- TPO
- 20 Feet Long
- White
- Alpha Systems
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Rob W.
9/8/2025
I'm considering using the zip board on a 2020 Riverstone roof after removing the existing half inch plywood that has some rot. My Riverstone Legacy roof has a very very slight radius Bend or slight "arch". I have heard that zip board does not Flex but is this accurate when it comes to just the slight curve of these RV roofs? It will be secured to the fifth wheel using some type of screws into aluminum truss so I have the luxury of pre-drilling and putting as many screws through it as needed to hold it down but I am still concerned if it will Flex at all to make that bend happen? After it is complete I will be having a spray-on roof armor roof installed over it.