Decking Calculator

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Name(Required)

First Last

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Select Your Board

Please select 140 Fineline, 146, 225 or 295

Select Your Install Type

Please select Residential or Commercial Installation

You have selected a custom product. Custom products are subject to lead times of 14 plus weeks plus 100m2 minimum order quantity.

Deck Size

Not sure how to measure your area? Break it down into rectangular sections to make it easier, then enter the length and width of each section here.

Area 1 Length (m)

Area 1 Width (m)

Area 1 Size (m2)

Area 2 Length (m) - Optional

Area 2 Width (m) - Optional

Area 2 Size (m2)

Area 3 Length (m) - Optional

Area 3 Width (m) - Optional

Area 3 Size (m2)

Total (m2)

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Calculation

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Board Length

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Board Width

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Gap

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Span

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Joist centres

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Allowed Wastage

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Deck Area

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Fixings per m2

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Fixing Number

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Screw

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Screw Number

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L1

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L2

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L3

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L1 Result

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L2 Result

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L3 Result

Results

Wastage (5% or 10%)

Max. Joist Centres (mm)

Number of Boards Required

This is the maximum distance between joist centres for the board selected. Use this as a guide when building your sub frame. Please see the PermaTimber® Installation Instructions for further details.

Start / End Clips Required

As a general guide, allow for 2 Start/End Clips per joist. Please see the PermaTimber® Installation Instructions for further details.

Number of Fixing Clips Required

Screws Required

Anti-Creep Clips Required

*Estimate only