Real slate appearance, Class 4 hail performance, no structural upgrade. Free design consultation and fixed-price quote. 📞 Call 720-828-7997 · 💬 Text 720-453-5095
The Best Hail Roof That Still Looks Like a Roof
Composite slate is molded from engineered polymer, often using casts taken from genuine quarried slate — so the surface texture and thickness variation read as real from the ground, sometimes from arm’s length. Unlike natural slate, it’s engineered specifically to survive impact.
- UL 2218 Class 4 impact rating on most product lines — same insurance discount eligibility as Class 4 asphalt
- Class A fire rating available — relevant in Colorado’s wildfire zones
- Roughly a quarter the weight of natural slate — no structural reinforcement on most homes
- 50-year warranty terms common on premium lines
- Doesn’t split, spall, or delaminate through freeze-thaw the way natural slate can
Why It Fits Colorado Specifically
Natural slate is a poor match for the Front Range: it’s punishingly heavy, it spalls under freeze-thaw, and hail cracks it. Composite gives you the same architectural result while solving all three. On high-value homes in Boulder, Niwot, Erie, Berthoud, and the foothills — where a designer roof and hail resistance are both non-negotiable — this is frequently the correct answer.
The honest tradeoff: it’s expensive. Composite slate typically costs more per square than any asphalt product we install. What you’re buying is a roof that likely outlasts your ownership of the house, with an insurance discount running the whole time.
Composite Slate vs. Designer Asphalt
If you’re weighing this against Berkshire® or Devonshire®: the Owens Corning designer lines cost less and look excellent, but they are not Class 4 impact rated. Composite slate costs more and is. In hail alley, that difference compounds over the life of the roof.
Frequently Asked Questions
How much does composite slate cost in Colorado?
Typically $1,200–$2,000 per square installed in 2026 depending on product line, profile, and roof complexity. Roughly two to three times premium asphalt, and generally less than natural slate once structural work is counted.
Will my insurance discount it?
If the product carries a UL 2218 Class 4 rating, it’s eligible for the same discount as Class 4 asphalt. We provide the manufacturer certification your carrier needs. Confirm the exact figure with your agent.
Can insurance fund the upgrade after hail?
Insurance funds replacement of comparable materials. If you had asphalt, the carrier pays asphalt value and you cover the difference — still the cheapest moment to make the jump.
Does it really look like slate?
From the street, convincingly. Up close, an experienced eye can tell. We bring samples so you can judge against your own siding and trim in daylight rather than trusting a brochure.
Get a Quote
📞 Call: 720-828-7997 | 💬 Text: 720-453-5095
Josh Brooks Construction and Renovation Inc. — Longmont, CO | Licensed CON-24-0152 | Since 2014 | Senior & Veteran discounts
Colorado Class 4 shingle insurance discount: what the law says
- Colorado law (CRS 10-4-110.8) requires insurers to factor impact-resistant roofing into their premium rates — the legal basis for the Class 4 discount.
- In June 2026, SB26-155 created the Strengthen Colorado Homes Enterprise; starting 2027, insurers must prove resilient-roof savings actually reach homeowners.
- Carrier discounts typically run 15–35% (about 28% on average), applied to the dwelling or the wind/hail portion of the premium.
- Class 4 is the top rating under UL 2218: a 2-inch steel ball dropped 20 ft must not crack the shingle.
- The upgrade typically pays for itself in roughly 3–7 years through premium savings.
Sources: Colorado Revised Statutes 10-4-110.8; Colorado SB26-155 (2026); UL 2218 standard; Colorado Division of Insurance / RMIIA (2026).
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