spacing required on composite deck boards

Does Composite Decking Need Spacing? - CW

The composite decking spacing requirement between composite decking boards should be at least 5 mm side by side. It is important because composite decking boards expand to their sides when the temperature change. Also composite decking spacing allows for proper drainage when the rain falls and airflow.【Get Price】

Proper Deck Board Spacing: Last Guide You’ll Ever Need

Spacing with composite deck boards is just as important as it is with conventional wood. Like real wood composite boards will also expand and contract as the humidity changes. Leave at least a 1/8″ gap between composite boards. Determining the gap with pressure-treated decking can be a bit more complicated.【Get Price】

Do I need to space composite decking ? – Composite decking.

One question that comes up when installing a composite deck is whether to leave spacing between boards. Spacing is a requirement when laying composite decking and here is why and how to go about it. Why Space. Composite decking undergoes thermal expansion due to its composition. High temperatures cause the material to expand along its length.【Get Price】

Decking Installation Guide - Composite Decking Boards

Board Spacing: Minimum 5mm (increase this to 10mm for hot humid damp or poorly ventilated areas).【Get Price】

Deck Board Spacing for Composite Decking |

PRO® and EDGE® boards must be a minimum of 1/8” to a maximum of 3/16” deck board spacing. Pressure-treated lumber is typically installed without a gap since the boards will shrink when they dry creating the appropriate spacing.【Get Price】