Skip to content

Bids, contracts & the job

5 tools · 8 guides · 1 comparisons

The paperwork around the roof: bids, contracts, permits, claims — and how the work is actually laid.

Bids, contracts & the job
Two-colour print of a roofing truck below a half-laid roof
The truck at the curb before the job: ladders racked, the gable still open to its rafters.

Calculators

Roofing contract template

A printable contract skeleton: scope, payment schedule, change orders, warranty.

9 clauses · printable

Open

Roofing invoice template

A printable invoice that carries the takeoff line items straight through to the total.

line items · $ total

Open

Gutter cost calculator

Linear feet and material to an installed range, with downspouts priced by the foot.

linear ft · $ / ft · range

Open

Roof snow load calculator

Ground snow load to flat-roof and sloped-roof load using the ASCE 7 factors.

psf ground → psf roof

Open

Roofing profit margin calculator

Job costs, overhead and a target net margin to a bid price, with the matching markup.

$ cost → $ bid · margin %

Open

Guides

Bids, contracts & the job

Drip edge installation

Eave before underlayment, rake after — the order, the overhang and the code behind it.

6 min

Bids, contracts & the job

How much does a roofer make?

Federal wage data by percentile and state, and how crew pay is actually structured.

8 min

Bids, contracts & the job

Roofing permit requirements

When a re-roof needs a permit, the layer limit, and the inspections it triggers.

7 min

Bids, contracts & the job

Roof valley types

Open, closed-cut and woven valleys — how each is built and where each fails.

6 min

Bids, contracts & the job

Roofing warranty types

Manufacturer, system and workmanship warranties — the GAF, Owens Corning and CertainTeed tiers, transfers and what voids them.

9 min

Comparisons

Overlay vs tear-off

Roof overlay vs tear-off

New shingles over old or strip to the deck: the code layer limit, the cost now and later, and the warranty catch.