We have 9 of these. We had to break them in half lengthwise to fit them down the steps. We purchased too much for a home renovation and now we need to get rid of the leftovers. There are also scraps of you want them. Must pick up. First come first serve.
See the link for the Home Depot listing for more information.
https://www.homedepot.com/p/Owens-Corning-FOAMULAR-150-2-in-x-4-ft-x-8-ft-R...