When you get quotes for a new roof, your contractor will almost certainly offer you a choice between two categories of asphalt shingle: 3-tab (also called "strip shingles") and architectural (also called "dimensional" or "laminate" shingles). The price difference is real but modest, and in most cases architectural shingles are the better investment. Here is what you need to know to make the decision. Once you have settled on a shingle type, get a free instant estimate to see what the full installed cost looks like for your home.
What Makes Them Different
3-tab shingles are a single layer of asphalt, cut with three uniform tabs along the exposed edge. They have been the standard residential roofing product for decades. They install quickly, cost less per square, and produce a flat, uniform appearance that suits some architectural styles.
Architectural shingles are thicker — typically two layers of asphalt laminated together — with a dimensional, irregular profile that mimics the look of wood shake or slate. The added thickness makes them heavier and more durable. Where a standard 3-tab shingle might weigh 200–250 pounds per square, an architectural shingle typically weighs 280–400 pounds per square.
Lifespan and Warranty
3-tab shingles carry manufacturer warranties of 20–25 years. Architectural shingles are typically warranted for 30 years, and premium architectural lines carry lifetime limited warranties. In practice, both products outlast their stated warranties in most climates if ventilation is adequate and installation is correct.
The warranties require careful reading. "Lifetime" warranties are prorated after the first ten years and often transfer with restrictions to subsequent owners. Wind warranties vary significantly — 3-tab shingles typically warrant to 60 mph, while architectural shingles are often warranted to 110 mph or higher. If you are in a region with strong storms, this matters.
Cost Difference
The material cost difference between 3-tab and standard architectural shingles is roughly $10–$30 per square (100 sq ft), depending on brand and region. On a 25-square roof, that is a $250–$750 difference in materials. Labor is the same either way. For a full breakdown of what drives total installed cost, see our roof replacement cost guide.
Over the life of the roof, architectural shingles are generally the better value because they last longer. Replacing a 3-tab roof at 20 years versus an architectural roof at 30 years means you pay for an additional replacement cycle over a 60-year horizon. Factor in inflation and contractor price increases, and the cheaper shingle often costs more in total.
When 3-Tab Makes Sense
There are situations where 3-tab shingles are the right choice. If you are selling the home within a few years and just need a watertight roof, paying more for a 30-year product does not make financial sense. If your roof structure has a weight limitation — older construction with lighter framing — 3-tab is lighter. And on very low-slope roofs (below 4:12 pitch), some manufacturers restrict architectural shingle use anyway.
For most homeowners who plan to stay in their home for more than five years, architectural shingles are the better choice. The aesthetic improvement is significant, the durability is meaningfully better, and the cost premium is modest.