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Mr_brighttt OP t1_ja6efxy wrote

Reply to comment by SteeleRain01 in Waterproofing and insulating interior basement by Mr_brighttt

I don’t necessarily want to frame a wall in over the top. I was hoping be able to do just rigid insulation on top of a dimple mat if helpful and then an FRP (fiberglass reinforced plastic) panel or something similar on top of that. Maybe plywood. It’s not ever gonna be a completely finished space. I just want it to be insulated

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SteeleRain01 t1_ja6hv4b wrote

Tracking. How would you keep a wall sandwich like that together? If you use something like furring strips, you'll end up drilling so many holes through the dimple mat into the wall it seems like it defeats the purpose. I did the wall more to hold my dimple mat in place AND give space for an insulation R-value cheaper than using foam.

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Mr_brighttt OP t1_ja6ia3p wrote

Hoping there’s an adhesive I could bond the rigid insulation to the plastic panels. If it’s plywood, you make a good point. Maybe I should use 1x2 furring strips with concrete anchors, then the rigid foam, then the plywood. That would allow for secure ways to attach shelving for myself and future owners without having to go down the concrete anchor route again.

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