After a couple of false starts by Lowes, the rock wool insulation was finally delivered, which meant a full day of hauling it from the pallets on the driveway to the inside. This job fell to our son-in-law and four year old grandson, as we were out of town when it came. Grandson loves using the hand truck anyway and worked about three hours helping his daddy move the insulation.
Grandson Trucking Roxul
I figured the order in lineal feet of insulation needed by measuring the length of the rafters in each part of the roof/ceiling and counting the spaces of that size then doubling that amount to fill the 2 x 12 rafter spaces with 2 layers of 5 1/2″ deep insulation. For the walls, I measured the height of the walls and averaged the height of the sloped ceiling walls, and then counted the cavities. Most of the ceiling is 24″ OC and most of the walls 16″ OC.
I figured 779 linear ft of insulation for the 24″ ceilings. That is doubled to get 1558 ft. of 5 1/2″ deep batts. Then I added 10% error for 1713.8 ft. divided by 4 foot sections, and in packs of 5 for a resulting order of 86 packages of 23″ batts. The 16″ ceiling were 400 lineal ft (doubled for two layers) and 394.50 of wall ft. I also added 10% error for 804 ft. of 15″ insulation in 4 foot batts and eight per package or 26.08 packages of 18″ OC. I ordered 26 packages. So in total there were 112 packages of insulation delivered and now that much to install. Yikes!
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Pallets of Insulation
Stored inside