Decking Calculator Step 1 of 9 What shape deck are you building? TriangleCorner / wedge Square Square Rectangle Rectangular Next What are the dimensions of your deck? Length (mm) Width (mm) Base (mm) Height (mm) Back Next Select the preferred direction of your decking Along length Across width Back Next What type of sub-frame are you building your deck onto? Timber Recommended Back Next Which edge design would you like to use? Picture Frame Fascia Board Flush Overhang Back Next Choose your decking colour Charcoal Black Brown Burley Wood Light Grey Back Next Which width of decking board would you like? 140 mm Back Next What is your preferred method of fixing? NailsNot recommended ScrewsRecommended Back Calculate Materials required — Summary Back Print Email Please enter your email address and we'll send you the results