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All the material you require to build your deck


This calculator works out the joists at 500mm centres and nails are added pick 47 x 100 or 47 x 150 both will do the job but 47 x 150 is recommended if you are raising the deck from ground level . If you want the decking raised pick the height from the drop down box, this height is from ground to top of the deck. Lengths of posts , postmix and fixings are added


The decking is supplied in the lengths that suit your job , these are calculated as covering 150mm (145mm for the board and 5mm gap for expansion and contraction) , any decks over the 5.4m long that are required are given in 4.8m lengths so there is as little joins as possible. All screws are supplies.


Handrails are calculated with the newel posts at 2m centres. You will need to add one newel posts for every time there is a gap in your total length. Spindle are calculated with 100mm gap

Deck Length
Deck Width
Deck Height
Total excludes delivery cost
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Description Quantity Price Each Total Price
3.6m Pressure Treated Decking Boards 6 £11.41 £68.46
50mm x 4.5mm Green Decking Screws Pack 200 1 £6.60 £6.60
carcassing 3.6m x 47 x 100 Treated sawn 1 £7.90 £7.90
carcassing 3.6m x 47 x 100 Treated sawn 2 £7.90 £15.80
100mm Galvanised Nails Pack 2.5kg 1 £13.78 £13.78
Ground Weed Mat 10m x 1.5m 1 £8.32 £8.32
Cuprinol UV Guard Decking Oil 2.5L Natural 1 £21.46 £21.46

*Deck joist layouts are supplied with your confirmation to explain the joist lengths provided above

Sub total exVAT £142.32
    VAT £28.46
    Grand Total £170.78
Total excludes delivery cost
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Please note that unfortunately both the 4.5m or 5.1m lengths shown within the calculator are currently unavailable, and orders received for either of these lengths will be cancelled with our regrets and the full payment refunded.