TWO TYPES OF SHINGLES In the world of asphalt shingles, there are two types, 3 tab and dimensional, also called architectural and laminate. A 3-tab shingle has two notches cut into the lower edge ...

The dimensional shingles are more durable and better looking than the flat 3-tab shingles you see on older homes. Because almost every shingle roof manufacturer offers a 'limited lifetime warranty ...