Metal roofing built for Texas heat and hail
The reason to put metal on a roof in this part of Texas is hail: DECRA stone-coated steel is UL 2218 Class 4 rated, the highest impact class there is, and carries a lifetime limited warranty covering hail up to 2.5 inches. We're DECRA Metal Roofing Certified and a CMG Coated Metals Partner, and that training matters more on metal than on any other material, because one botched seam leaks or oil-cans within a season.
Not every shop should install metal
Plenty of metal roofing companies in San Antonio will quote a panel roof and subcontract the install to whoever's free that week. Metal punishes that: a misplaced fastener or a botched seam leaks or oil-cans within a season. We're DECRA Metal Roofing Certified and a CMG Coated Metals Partner, and that training is the whole point, because the material is only as good as the hands putting it up.
The hail numbers, by name
DECRA stone-coated steel carries a UL 2218 Class 4 rating, the highest impact class, and its warranty covers hail penetration up to 2.5-inch stones and winds to 120 mph. Standing seam panels resist puncture just as well. That certification is what stands behind the manufacturer's warranty.
What it does to your cooling bill
A light, reflective metal roof bounces back 55 to 90 percent of sunlight; a dark shingle roof reflects 5 to 20. Cooling savings of 10 to 15 percent are common for cool-roof metal, with some studies showing more. Stone-coated systems add an air gap under the panels that cuts heat flow into the attic further, which your air conditioner notices every August.
Dents, and why stone-coated hides them
Here's what we've seen in our experience with metal roofs: large hail can dent a panel, and where there are dents there's sometimes functional damage at the seams that compromises the system, not just a cosmetic mark. That's why we inspect a hail-hit metal roof at the seams and fasteners, not just the flat of the panel. Stone-coated profiles like DECRA also hide small dents far better than smooth standing seam, which is one reason we like them for exposed Hill Country roofs.
Thinking metal but not sure it pencils out? Get real numbers for your roof, on your roof.
Get a metal roof assessmentDoes hail damage a metal roof?
It can. Large hail can dent a metal panel, and while a shallow dent that doesn't break the surface is often cosmetic, dents sometimes come with functional damage at the seams and fasteners that can compromise the system over time. That's why we inspect a hail-hit metal roof closely at the connection points, not just the flat of the panel, and document what we find with photos. Stone-coated steel like DECRA also hides and shrugs off small hail far better than smooth standing seam.
Why metal
- 40 to 50 year typical service life for standing seam
- UL 2218 Class 4 impact rating (DECRA)
- Reflects up to 90% of sunlight in light colors
- Stone-coated and standing seam options
- Minimal maintenance
Towns we do this in
Standing seam and stone-coated steel suit the Hill Country's custom builds. We see the most metal on acreage properties around Boerne, Spring Branch, and Canyon Lake, where exposed ridgeline lots take wind hardest.
Also worth knowing
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