Trim sticks
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Roof edge trim estimator
Drip Edge Calculator
Estimate drip edge or roof-edge trim sticks from total eave length, rake length, stock length, waste, and stick cost. Use it with shingle, underlayment, gutter, and fascia takeoffs.
Units
Order length
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Measured length
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Rough cost
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Roof-edge details vary by product and code
Drip edge profile, starter courses, underlayment laps, metal gauge, corner laps, rake/eave sequence, gutter apron, and local code can change the final material list.
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Drip edge formula
Measured length = total eaves + total rakes
Order length = measured length × (1 + waste %)
Trim sticks = order length ÷ stock stick length
Sample takeoff
A roof with 80 ft of eaves, 60 ft of rakes, 10 ft drip-edge sticks, and 10% waste needs about 16 sticks.
Drip Edge Calculator FAQ
How does this drip edge calculator work?+
It multiplies measured job dimensions by the coverage, spacing, or package yield you enter, adds waste, then rounds the buy quantity up. Measure total eave and rake runs, then add waste for laps, corners, and damaged pieces.
Should I use the default waste value?+
Use the default for a quick planning estimate, then raise it for cuts, odd layouts, breakage, bad access, or product-specific loss.
Is this a bid or code approval?+
No. It is a material planning calculator. Verify product data, local code, structural requirements, electrical requirements, and supplier packaging before ordering or building.