What are T-lock shingles? A History

Once upon a time (around 1930) there was a new shingle, the T-lock. Some say they were the original Thunderstorm shingle able to withstand the high winds that occur during storms, others say it was because they are shaped like a T and they interlock. The truth is they were a state of the art shingle once upon a […]

T-Locks, Architectural, Dimensional, 3-Tab, Grand Manor, Impact Resistant, Presidential: How to Choose a Type of Asphalt Roof Shingle

Asphalt roofing shingles, how do you choose your shingles? T-locks have been discontinued so are no longer an option. Tamko Heritage, Owens Corning Oakridge, Certainteed Landmark, Atlas Pinnacle, and many others all look similar and are classified as architectural or dimensional shingles, the most common was a 30 year warranty, but they have changed to lifetime in most cases.

What does a lifetime warranty mean for asphalt architectural shingles?

Many manufacturers have upgraded the warranties on their asphalt architectural shingles from 30 year, 40 year, 50 year and Lifetime to all Lifetime Warranties. The shingles have not changed and there are still many differences in the old 30 year and old 50 year shingles which includes weight and thickness of the shingle itself. The […]