Class A fire rated roofing is the top rating a roof covering can earn in standard fire tests, meaning it resists severe exposure to flame and burning embers. Most fiberglass asphalt shingles, many metal systems, and clay or concrete tile qualify. For acreage homes in North Texas grass-fire country, it's one of the simplest protections you can choose.
Planning a new roof and want fire resistance on the list? Call Cannon Roofing at (940) 627-1045, 24/7, or request a visit through our contact page.
What makes roofing Class A fire rated
Roof coverings are rated Class A, B or C using standardized tests, commonly known by their references ASTM E108 and UL 790. The tests look at three things:
- Spread of flame: how far fire travels across the roof surface.
- Burning brand: whether a burning block of wood set on the roof burns through to the deck below.
- Intermittent flame: how the covering holds up to repeated flame exposure.
Class A is the severe-exposure rating, Class B moderate and Class C light. Untreated wood shakes often carry no rating at all.
Standalone vs "by assembly" ratings
Some materials earn Class A on their own. Others only reach it "by assembly," meaning a specific underlayment or cover board must be installed beneath them exactly as the manufacturer tested. If a product is rated by assembly and the installer skips that layer, the roof may not perform to the rating on the label.
Which common roofing systems achieve Class A
Fiberglass asphalt shingles
Most modern fiberglass-mat architectural shingles are Class A. That includes many Class 4 impact-resistant lines, so you can often get hail and fire performance in one product. Our overview of impact-resistant shingles covers the hail side.
Metal roofing
Steel roofing is noncombustible, and many metal systems are Class A, though often by assembly. Standing seam and ribbed panels shed embers well because there are no gaps for them to lodge in, as long as ridge, eave and trim closures are installed tightly. Read more in the benefits of metal roofing.
Clay, concrete and slate
These are noncombustible and generally Class A, but they're heavy, and open ends on barrel tile need bird stops so embers and debris can't collect underneath.
Wood and synthetics
Fire-retardant-treated shakes can reach Class A by assembly, but the treatment can weather over time. Synthetic shakes and slates vary by product, so check each one's rating instead of assuming.
Why it matters on North Texas acreage
Around Decatur, Paradise, Alvord and the rest of Wise County, many homes sit on open pasture with dry grass right up to the barn and fence line. Dry, dormant grass in winter, late-summer drought, strong winds and a single spark from equipment or a roadside can move a grass fire quickly. Most homes that burn in wildfires are lit by embers landing on or around them, not by a wall of flame, and the roof is the largest surface for embers to land on.
Rural homes also tend to sit farther from fire hydrants and fire stations than homes in town, and volunteer departments may be stretched across several fires on a bad wind day. That puts more weight on the house being able to protect itself for the first critical stretch of time. A roof that won't ignite from a landing ember buys that time.
Outbuildings count too
Barns, shops and hay storage close to the house can become the fire that reaches it. If you're reroofing an outbuilding within easy ember distance of your home, it's worth asking about a Class A covering for it as well, especially where hay, fuel or equipment is stored inside.
The weak spots around the roof
Details beyond the rating
A Class A covering won't help much if the weak spots around it are ignored. When we inspect a rural roof, we also look at:
- Gutters full of dry leaves and grass, which catch embers right at the roof edge.
- Soffit and gable vents that could let embers into the attic if screens are missing or damaged.
- Open gaps at ridge caps, eaves and the ends of metal panels.
- Branches hanging over the roof and debris piled in valleys.
Keeping gutters clear and vents screened takes little effort and makes the rating count. Mowing a defensible strip around the house and keeping firewood and brush piles away from the walls help the roof do its job.
Choosing a Class A roof with Cannon Roofing
When you replace your roof, ask for the fire rating in writing for the exact product and assembly being installed. Our roof replacement team can walk you through Class A shingle and metal options side by side, alongside hail performance, color and heat. Cannon Roofing has served Wise County since 1994, our crews are factory trained, and every employee holds the Technician Seal of Safety.
It's also worth calling your insurance agent before you choose. Some insurers weigh roof type when rating a policy, and they can tell you whether fire or impact ratings change anything for yours.
Frequently asked questions
Is my current shingle roof already Class A?
If it's a fiberglass-mat asphalt shingle, very likely. The manufacturer and product name, often found on leftover bundles or install paperwork, will confirm it. An inspection can help identify the product if you don't have records.
Does a Class A roof make my home fireproof?
No roof does. Class A means the covering resists severe fire exposure in testing. Your home's overall risk still depends on vents, gutters, siding, decks and what's growing near the house.
Is metal better than shingles for fire?
Both can be Class A. Metal is noncombustible, but it depends on the tested assembly and tight trim. The better choice often comes down to hail performance, look and how the house is built.
Want a fire-resistant roof for your property? Call Cannon Roofing at (940) 627-1045, day or night, and we'll schedule an inspection and written estimate at no charge. You can also send details through our contact form.