3-tab shingles and architectural shingles are the most commons shingles installed in the the America. 3-tab shingles are often referred to as strip shingles as they are cut out of one continues strip at the factory. A 3-tab shingle has tabs that often cut in 12 inch increments. Architectural shingles are also known as laminated shingles. An architectural shingle is laminated of 2 strips of shingles to create a cedar shake look that gives the home better curb appeal. Architectural shingles due offer a higher wind resistance than 3-tab shingles. While life expectancy is depended on the brand and quality of the shingle, most see architectural shingles as more appealing then 3-tabs due to the curb appeal.