Metal Roof vs Shingle Roof: Which Is Better for Western PA Weather?
If you’re replacing your roof in the Pittsburgh area and you’re doing your research, at some point you’ll run into the metal vs shingle question. Both are installed regularly in Western PA. Both have genuine advantages. Here’s a clear comparison for homeowners who actually want to understand the tradeoffs.
The Basics
Asphalt shingles are the most common roofing material in residential Pittsburgh. They’re made of fiberglass mat coated with asphalt and surfaced with granules. They’re cost-effective, widely available, and most local contractors — including those with Owens Corning Platinum Preferred status — are highly experienced with them.
Metal roofing in residential applications typically means either standing seam metal (panels with raised seams that lock together) or metal shingles (individual metal pieces designed to look like traditional shingles). Steel and aluminum are the most common materials. Copper exists but is in a different price category entirely.
Cost Comparison
Asphalt shingles in Pittsburgh typically run $8,000 to $18,000 for a full replacement on an average-sized home, depending on the roof size, pitch, and material quality (3-tab vs architectural vs premium).
Metal roofing typically runs $15,000 to $35,000 or more for the same home, depending on material (aluminum vs steel vs zinc) and the system type. Standing seam costs more than metal shingles. It’s a real premium.
The counterpoint is longevity. A quality architectural shingle roof in Western PA might last 25 to 35 years. A standing seam metal roof can last 50 years or more. Over a 50-year horizon, the cost comparison gets closer when you factor in one replacement vs two.
How Both Hold Up in Western PA
Pittsburgh’s biggest roof challenges are ice, snow, wind, and the freeze-thaw cycle.
Snow and ice: Metal handles snow better in some ways — the smooth surface tends to shed snow more readily. But this can also be a disadvantage if you’re concerned about roof avalanching onto a walkway or patio below. Asphalt shingles hold snow until it melts, which can contribute to ice dams if attic ventilation isn’t right.
Freeze-thaw: Both materials deal with this, but metal expands and contracts more than shingles with temperature changes. On a standing seam roof, this movement is accounted for in the panel design. On exposed fastener metal roofing (a lower-cost metal option), that movement can loosen fasteners over time.
Wind: High-quality architectural shingles are rated to wind speeds of 110 to 130 mph. Metal roofing, particularly standing seam, generally performs extremely well in high-wind events. Pittsburgh sees some significant wind storms and occasional tornado activity, and metal performs well here.
Hail: This is one category where metal loses some points — large hail can dent metal roofing, which is both a cosmetic and potentially a water-management issue. Asphalt shingles absorb hail differently. Impact-resistant Class 4 shingles are worth considering in Western PA for this reason.
Aesthetics and Resale
Asphalt shingles are neutral and expected. They won’t add curb appeal drama, but they won’t hurt resale either. Metal roofing is more distinctive and can be a selling point, particularly standing seam in a darker color on certain architectural styles. It’s not universally appealing to buyers, though — some buyers have concerns about the sound of rain on metal (which is overstated for properly insulated installations) or simply have a preference for the traditional look.
FAQ
Is metal roofing louder in rain than shingles?
On a properly installed metal roof with solid sheathing and attic insulation, the sound difference from inside the house is minimal. On an open structure like a porch or shed, yes, metal is louder.
How long does a metal roof last in Pittsburgh PA?
A standing seam steel or aluminum roof in Western PA can last 40 to 60 years with proper installation and basic maintenance. Painted finishes can fade over time but don’t affect performance.
Does metal roofing work with Pittsburgh’s freeze-thaw cycle?
Yes, when installed correctly. Standing seam systems are specifically designed to accommodate thermal movement.
Can I put metal roofing over existing shingles in Pennsylvania?
In some cases yes, but most roofing professionals recommend a full tear-off so the sheathing can be inspected and any decking issues can be addressed. Pennsylvania code generally allows up to two layers before a tear-off is required.
Do metal roofs attract lightning?
No more than any other roofing material. And because metal is a conductor, in the event of a strike, it disperses the energy rather than allowing it to ignite.
Peak Precision Contracting installs both quality shingle and metal roofing systems across Pittsburgh, Bethel Park, Allison Park, and the surrounding Western PA area.