I know how many linear feet I need. Its for the floor between floors. Its about 350 linear feet. Total square feet is 486 or 13.5 ft x 36 feet. I want to use r-19 insulation. But everything is calculated in sqft. I have no idea how much I need.
How many of these
http://www.homedepot.com/Building-Ma...atalogId=10053
How many of these
http://www.homedepot.com/Building-Ma...atalogId=10053
