Compressing any insulation will reduce its R value. A waste of money. Foam is expensive and may hold in moisture . EIther put a lot more foam in or just use R13.
Thank you Carl for your recent inquiry with The Home Depot for Johns Manville R-11 Kraft Faced Fiberglass Insulation Roll 15 in. x 846 in. (12-Rolls). Yes, the 12 roll is $527.90. We appreciate your business and look forward to serving you in the future.
Please call your nearest Home Depot store to determine if individual rolls can be purchased. Thank you.
Batt/Roll Size is 70.5 feet x 3.5 inch x 23 inch and each pallet minimum number of rolls 8. Thank you.
This will cover about 1080.96 ft².
You will need a fiberglass product with an FSK or PSK facing to be installed in a metal building and left exposed. We have recommended products on our website www.jm.com that you can find information on