Questions and Answers for Coroplast 36 in. x 72 in. x 0.157 in. (4mm) White Corrugated Twinwall Plastic Sheet

A:  Yes, this sheet is weatherproof.

A:  This can be glued with silicone, but is not recommended to be stapled on.

A:  I have a camper and would not use it for that purpose. It is not a strong material. It is like campaign signs material or yard sale sign material. I used what I purchased to cover a wood frame hunting blind, for which it worked fine. It expands and contracts with temperature. ,

A:  Yes, this can be used as an underbelly material on an RV. 

A:  Hi, this is not something that has been tested, so we wouldn't be able to approve of that application.

A:  No you would need some composite material or wood which it sounds like you are trying to get away from. I use Coosa board for a core it's super lightweight strong and water and rot proof

A:  No. There is no structural core value as is required in composite construction and fabrication.

A:  This application has not been tested, but we can say that the material is weather resistant and is able to be used in exterior applications.

A:  This material is weather resistant, and could be used on a porch, yes.

A:  Yes, it can be used for that application.

A:  The thickness would depend on the specific application. Please give our customer service team a call at 1-800-421-0102 and they can help you decide which thickness would be best.

A:  This listing is for one sheet.

A:  Yes, this is BPA free.