Private project workspace

Your roofing project. One clear file.

Build a quote-ready brief, scope the roof, normalize estimates, organize storm documentation, and keep seasonal checks. Inputs stay in local browser storage—no account and no transmission.

Speak in roofing squares.

Build a rough sloped-area estimate from a simple rectangular footprint and pitch. One roofing square equals 100 square feet.

SAVED ON THIS DEVICE
12%
This simple footprint model excludes overhangs and does not model hips, valleys, dormers, multiple planes, existing layers, or actual material packaging. Use a contractor’s measured quantities for ordering.
Rough sloped area before waste1,252 sq ft
Estimated area including waste1,402 sq ft
Roofing squares including waste14.0

LENGTH × WIDTH × PITCH MULTIPLIER × (1 + WASTE) ÷ 100
Selected pitch multiplier: 1.118


Browser storage can be cleared by your browser or device. Back up the complete project as a portable JSON file, then restore it here or on another device.

Nothing is uploaded during export or import. The file stays under your control.