Harmony decking calculator

Input your decking dimensions or just enter an area

Reset Add Another Area Calculate

You will need:

image of hallmark decking here Hallmark composite decking £0 0 Boards
Starter Clips £0 0 Starter Clips
Mounting Clips £0 0 Clips
RRP* £0

Material quantity calculations are approximate only and based on using the full length of the decking board. Call our friendly sales team on 0800 799 9082 for more advice.

RRP*: All prices are Recommended Retail Price