A standard 3-tab shingle bundle typically contains about 33 square feet of coverage. To calculate the starter needed, you generally require one starter strip for every three bundles of shingles. Thus, you would typically use about 11 feet of starter per bundle, translating to approximately 33 feet of starter for a full bundle of 3-tab shingles.
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6x6 is 36 square feet, so just over 1 bundle. 3 bundles in a square which is 100 square feet. When using the common '3 Tab' shingles, 3 bundles = 1 square. Various manufacturers make higher end shingles that are installed differently and require 4 bundles to equal 1 square.
27 squares is equivalent to 2700 square feet. Measure square area by multiplying length by width of your entire roof. Add all the areas together for total square feet. Take the square feet and divide by 100 to get squares. 3 bundles of shingles to make one square with 5 inches of exposure on the shingles. For every 33 feet of ridge you will need one bundle of three tab shingles. Each bundle of shingles has 27 shingles so that is 81 single tabs at approximately 5 inches each, 405 inches of run or 33.75 linear feet. At current shingle prices near $21 per bundle that will cost you about $1700 just in shingles. #15 roll of felt is 4 squares at about $20 per roll. One box of coil nails will usually cover 18-20 squares. Any other calculations and you are on your own.
You need 3 yards. 84 inches is 7 feet..one yard is 3 feet so order 3 yards for one panel...for 2 panels order 6 yards
3-veg tab les
If you are writing on the computer just use the tab button. If you are hand writing you should just use your thumb as a tab space button!