Size Of Roofing Shingle

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Size of roofing shingle.

The proper shingle exposure can depend on the size of the shingle its material and the desired look of the roof. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails. However 39 3 8 inches is the equivalent of one meter. Contractors start at the bottom of the roof and work across the roof s surface and up.

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. The more common roof thickness is 3 4 inch decking. These are still considered standard asphalt shingle dimensions. Prior to designer shingles being introduced in the 1980s strip shingles were the predominant roofing shingle in the market.

In the past most 3 tab shingles were imperial sized at 12 inches wide and 36 inches long with an exposure of 5 inches. Admittedly it s rather confusing to call a shingle metric and then proceed to define it in imperial measure. 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 specifics of how shingles are laid on your roof vary by manufacturer.

Metric shingle exposure is proportional to their larger size commonly 5 5 8 inches.