Roof Shingle Length

Contractors start at the bottom of the roof and work across the roof s surface and up.

Roof shingle length.

This roof shingle calculator requires four basic inputs. Multiply the width and length measurements together to determine the area. A low slope roof is anywhere from 2 in 12 to 4 in 12. Admittedly it s rather confusing to call a shingle metric and then proceed to define it in imperial measure.

Lastly multiply this number. Before you reshingle a roof read our step by step guide for adding new shingles over old ones. But performance is only half the story. 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.

Measure the width and length of each section of your roof. 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. Divide that number by 100 to get the correct number of squares. Professional installers have long preferred the rugged dependable professional installers have long preferred the rugged dependable performance that only a timberline roof can offer.

Rolls of felt are 36 wide x 144 long for 15 and 72 long for 30. The more common roof thickness is 3 4 inch decking. Roof length measured in feet roof width measured in feet roof pitch. 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.

The run always remains constant at 12 inches. However 39 3 8 inches is the equivalent of one meter. There are three major categories of asphalt roofing shingle products available today strip shingles dimensional shingles and luxury shingles. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these.

How to measure for roof shingles. With that as background you are now ready to estimate how many shingles you will purchase for your roof project. It is important to understand the differences between each type of roofing shingle in order to pick the right product for your home. Different types of roof shingles.

Asphalt shingles can be laid over cedar shakes or shingles however this is a roofing project best left to pros. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. Roofing felt is sold by the roll. Add the areas of each section together.

The specifics of how shingles are laid on your roof vary by manufacturer.