Roofing

Estimate sheets, timber and fixings from checked roof inputs.

Roof type, pitch, laps and sheet dimensions all affect the quantity that reaches the purchase list.

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The field problem

Make every assumption visible before it becomes a purchase.

A practical roofing estimate that exposes assumptions instead of hiding them.

1
Choose the roof form
Check this stage with the person responsible before continuing.
2
Enter checked spans and pitch
Check this stage with the person responsible before continuing.
3
Review sheet coverage and waste
Check this stage with the person responsible before continuing.
4
Add timber, fixings and delivery
Check this stage with the person responsible before continuing.

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Use the live roofing simulator.

Change the working assumptions, review the quantities and download a portable starting file without creating an account.

Quick calculator

Boundary wall

Local project name

Saved locally 0

Restore backup

Net wall area—

Indicative blocks—

Material starting cost—

Assumptions to review

See a professional estimate

Planning aid only. Verify dimensions, structural requirements, mix design, coverage, waste, purchasing units and site conditions before ordering or building.

BlockToBlock principle

Fast does not mean automatic approval.

Calculations organise the information you provide. The estimator remains responsible for measurements, specification, prices, constructability and site decisions.

Read the calculation methodology →