Roof Shapes & Framing

Concrete Interlocking Tile is a building-planning choice included in the Price Your Build estimator. It can affect roof covering cost, fixing method, pitch and weatherproofing details.

What this option means

Applies tile unit weight and standard underlay sheeting formulas.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Use the manufacturer’s minimum pitch and fixing guidance, with a roof design suited to local wind and rain exposure.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Corrugated Iron Sheeting is a building-planning choice included in the Price Your Build estimator. It can affect roof covering cost, fixing method, pitch and weatherproofing details.

What this option means

Applies iron sheet lengths, flashings, and timber purlin costs.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Use the manufacturer’s minimum pitch and fixing guidance, with a roof design suited to local wind and rain exposure.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Gable End Profile is a building-planning choice included in the Price Your Build estimator. It can affect roof framing complexity, flashings, gutters and construction time.

What this option means

Applies simple double-slope pitch framing multipliers to truss models.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Confirm the roof plan, drainage falls, valley details and structural layout before finalising the choice.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Hip Roof Intersection is a building-planning choice included in the Price Your Build estimator. It can affect roof framing complexity, flashings, gutters and construction time.

What this option means

Increases framing consumption for intersecting hips and valleys.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Confirm the roof plan, drainage falls, valley details and structural layout before finalising the choice.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Mono-Pitch Lean-To Layout is a building-planning choice included in the Price Your Build estimator. It can affect roof framing complexity, flashings, gutters and construction time.

What this option means

Reduces structural roofing work; routes calculations to low mono-pitches.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Confirm the roof plan, drainage falls, valley details and structural layout before finalising the choice.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Low Slope (17.5°) is a building-planning choice included in the Price Your Build estimator. It can affect roof area, truss geometry, covering selection and rainwater handling.

What this option means

References low slope adjustments (under 15-deg framework adjustments).

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Final pitch should follow the roof-covering specification, architectural intent and drainage design.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Standard Slope (25°) is a building-planning choice included in the Price Your Build estimator. It can affect roof area, truss geometry, covering selection and rainwater handling.

What this option means

References standard residential grade pitch factors.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Final pitch should follow the roof-covering specification, architectural intent and drainage design.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Steep / High Pitch (35°) is a building-planning choice included in the Price Your Build estimator. It can affect roof area, truss geometry, covering selection and rainwater handling.

What this option means

References steep architectural slope framing factors.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Final pitch should follow the roof-covering specification, architectural intent and drainage design.
• Compare the final specification and inclusions against quotations before appointing a contractor.

Single Standard Ridge is a building-planning choice included in the Price Your Build estimator. It can affect truss layout, valleys, flashings, drainage points and installation time.

What this option means

Applies simple uniform ridge length processing rules.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Complex roofs need coordinated architectural, structural and waterproofing details.
• Compare the final specification and inclusions against quotations before appointing a contractor.

L-Shaped Profile is a building-planning choice included in the Price Your Build estimator. It can affect truss layout, valleys, flashings, drainage points and installation time.

What this option means

Adds framing tolerances for simple single-corner return structures.

Why it affects the estimate

The estimator uses this selection to apply an appropriate allowance. Actual requirements depend on the final design, site conditions, supplier selection and contractor scope.

Before proceeding

• Complex roofs need coordinated architectural, structural and waterproofing details.
• Compare the final specification and inclusions against quotations before appointing a contractor.