I took down the old paneling in the basement. Should I insulate the walls before I put new paneling up? Before, there was foamboard.

Question

I took down the old paneling in the basement. Should I insulate the walls before I put new paneling up? Before, there was foamboard.

Asked by traci

I'm trying to keep the cost way down.

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Answers

David Edwards PhD's picture

Foamboard functions to insulate the space only. If you have basement moisture issues, the foamboard will not fix it, so if you want to save all the money you can, then don't put it in.

But if you can afford the $1/ sq. ft. for a proper 3" of polystyrene insulation board, you will notice a nice regulation of temperature, keeping it warmer in the winter.

Also think about the fact that insulation in the basement will help your house above-ground stay warmer in the wintertime as well.

Good luck.

For more information:

Read Florian Speier's Q&A "When insulating interior basement walls, do you need to insulate below the frost line? Or does the soil act as a natural insulator?"