Roof Shingle Length

The run always remains constant at 12 inches.

Roof shingle length.

Lastly multiply this number. With that as background you are now ready to estimate how many shingles you will purchase for your roof project. The average roll of 15 pound roofing felt covers about 400 ft 2 or 4 squares while the average roll of 30 pound roofing felt covers about 200 ft 2 or 2 squares. It is important to understand the differences between each type of roofing shingle in order to pick the right product for your home.

This roof shingle calculator requires four basic inputs. Divide that number by 100 to get the correct number of squares. But performance is only half the story. Add the areas of each section together.

Roof length measured in feet roof width measured in feet roof pitch. How to measure for roof shingles. Since your roof can represent up to 40 of your home s curb appeal you can improve its resale value with timberline natural shadow shingles from gaf. Some roofing shingles such as duration are applied with a 6 1 2 inch offset and a 5 5 8 inch exposure over a prepared roof deck.

Before you reshingle a roof read our step by step guide for adding new shingles over old ones. Iko was among the first roofing material manufacturers to introduce the metric size roofing shingle defined as being 13 1 4 inches long by 39 3 8 inches wide. Beveled wood pieces called horsefeathers must be laid along the thick edges of the shakes to make a fairly flat surface. Roofing felt is sold by the roll.

Multiply the width and length measurements together to determine the area. The specifics of how shingles are laid on your roof vary by manufacturer. Contractors start at the bottom of the roof and work across the roof s surface and up. Professional installers have long preferred the rugged dependable professional installers have long preferred the rugged dependable performance that only a timberline roof can offer.

The more common roof thickness is 3 4 inch decking. A low slope roof is anywhere from 2 in 12 to 4 in 12. However 39 3 8 inches is the equivalent of one meter. Different types of roof shingles.

Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30. Measure the width and length of each section of your roof. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.

There are three major categories of asphalt roofing shingle products available today strip shingles dimensional shingles and luxury shingles.