Enter measured or estimated roof area in square feet.
Roof Replacement Budget Calculator
Conceptual budgeting tool with editable pricing assumptions. All pricing is driven by roof_calculator_data_v2.json.
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Scope & Inputs
Property, measurements & options
Project Details
Map perimeter → parapet LF. Height defaults to 12 in when blank.
Adjustments
Optional overrides
Optional Overrides
Scope inclusions
Tear-off required
Remove existing roof system before install
Permits / dumpster
Include permitting and disposal allowance
Commercial add-ons
Insulation upgrade
Add insulation upgrade $/SF from pricing data
Cover board
Add cover board allowance
Deck repair allowance
Include $/SF commercial deck repair allowance
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The Estimate
Enter a square footage and select a roof system to see budget estimates.
Core Sample Analysis
Not evaluated
Wet / Compressed Insulation
Forces tear-off + disposal
Two Existing Roof Systems
Forces tear-off; recover not permitted
Poor Insulation Condition
Full insulation replacement added
Deck Deterioration
Partial deck repair / replacement allowance (residential & commercial)
Incompatible Attachment Method
Mechanical attachment premium
Moisture / Wet Decking
Moisture remediation allowance
Disclaimer
This tool is for conceptual budgeting only. Final pricing depends on site verification,
access, roof height, deck condition, code requirements, selected assembly, flashing/edge conditions,
penetrations, logistics, and field conditions. All estimates are derived from editable pricing assumptions
in roof_calculator_data_v2.json. No guarantee of final contract price is implied.