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Class 4 shingle ROI calculator.

Should you upgrade to Class 4 impact-rated shingles? Drop in your numbers, see the actual payback math — insurance discount, payback period, 10/20/30-year savings.

2,500 sq ft
Roof area, not house footprint.
$1.50/sq ft
Typical Houston market: $1-$2/sq ft premium for Class 4 over standard architectural.
Total annual premium. Most Houston homes: $2,500-$6,000/year. Look at your declarations page.
22%
Texas insurers offer 15-28% discount on wind/hail portion of premium for Class 4 roofs. Conservative: 15%; typical: 20-25%; max: 28%.
Class 4 roof lifespan is 25-30 years. Longer ownership = more savings captured.
Verdict

Calculating...

Adjust inputs to see your payback math.

Upgrade cost
$3,750
One-time premium
Annual savings
$770
Insurance discount
Payback period
4.9 years
Break-even point
Net at year 10
$3,950
After upgrade cost
10-year savings (gross) $7,700
20-year savings (gross) $15,400
25-year savings (gross) $19,250
This is an estimate. Actual savings depend on your specific insurer, policy structure, deductible, and how the discount is applied (wind/hail portion vs total). The Class 4 upgrade also typically reduces future hail damage claim frequency — a benefit not captured in this calculator. Always confirm specific discount with your insurer before deciding.
What Class 4 actually means

Why this upgrade makes sense for most Houston homes.

Class 4 is the highest UL 2218 impact rating — designed to withstand 2.5″ hail without functional damage. Houston is in the eastern Texas hail belt; we see significant hail events every 2-4 years. Beryl 2024 added wind damage on top.

The upgrade does three things. First, it triggers a 15-28% premium discount on the wind/hail portion of your insurance. Second, it reduces future damage in storm events — less frequent claims, smaller deductibles paid over time. Third, it improves wind resistance as a side effect of the reinforced construction.

For most Houston homeowners staying 7+ years, the math is decisive. Payback is typically 4-6 years; net savings over the roof life are $5K-$20K depending on home size and insurance specifics. Full Class 4 details.

Want to discuss the upgrade in context of your specific roof? Free quote with Class 4 priced — we’ll show you both options on the same line item so you can decide with real numbers.

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Class 4 Calculator — Hasid on the Roof

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