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.

Size of roofing shingle. Metric shingle exposure is proportional to their larger size commonly 5 5 8 inches. In the past most 3 tab shingles were imperial sized at 12 inches wide and 36 inches long with an exposure of 5 inches. The specifics of how shingles are laid on your roof vary by manufacturer. When installing asphalt shingles on felt only to any grade decking you should use 1 inch long roofing nails.

The more common roof thickness is 3 4 inch decking. Contractors start at the bottom of the roof and work across the roof s surface and up. 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. However 39 3 8 inches is the equivalent of one meter.

These are still considered standard asphalt shingle dimensions. Royal sovereign charcoal algae resistant 3 tab roofing shingles 33 33 sq. 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. Today strip shingles are used most often used by home builders that manufacture inexpensive homes or by homeowners who are replacing roofing shingles on residences that already have strip shingles on the roof.

Prior to designer shingles being introduced in the 1980s strip shingles were the predominant roofing shingle in the market.