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K writes from Fairbanks, Alaska: “How do I install rigid foam insulation over concrete on the outside of the wall?

April 26, 2017Alaska concrete Fairbanks foam install insulation outside rigid writes

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K writes from Fairbanks, Alaska: “How do I install rigid foam insulation over concrete on the outside of the wall?

1 Answer

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Either use mechanical fasteners, i.e. screws with large washers, or an adhesive that is compatible with foam plastic insulations (not petroleum-based).