Spacing Between Deck Boards Uk

If you have poor ventilation wider is always better.

Spacing between deck boards uk.

The width of the nail is 1 8 inch. Joist spacing for composite decking. The most common spacing measurement between deck boards is 1 8 inch. Some builders reduce joist spacing to 12 on center to strengthen the deck frame or to increase maximum allowable joist spans.

Most decks use 16 on center spacing for joists. Position the fixing at least 20mm from the edge of the deck board. Before deciding on how much space to leave between deck boards check with your local building code to see if it covers deck board spacing. Generally an acceptable gap between deck boards is between 1 8 inch and 1 4 inch.

Most decking is not strong enough to support longer spans than 16. Many jurisdictions following the international building code which requires a minimum 1 8 inch spacing between boards. For timbertech azek decking it s recommended to have a minimum 1 8 to 1 4 side to side gap between deck boards. Spacing between deck boards provide a few critical functions.

In this instance the maximum span between deck post centres is 2 07m c16 or 2 24m c24. Joining two boards in a run. Larger gaps such as 1 4 allow more of this material to fall through the deck. Gaps that are narrow 1 8 can catch debris specifically on top of the joists and can be difficult to clean out.

Joist and deck board spacing guidance. Proper side to side deck board spacing allows for air water and debris to flow around the decking leading to a long lasting low maintenance deck. Both sizes have their pros and cons. When joining two cut deck boards together in a run fix with screws 15mm from the end of each board at an angle to ensure secure fixing into the joists below.

Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal. Cumaru deck board gapping allow a minimum of 1 8 gap between board widths on 4 wide decking and 3 16 gap between board widths on 6 wide decking for drainage airflow and expansion. The primary function is to drain water from the deck. Adjust spacing between deck boards.

Spacing between deck boards. Position the fixing at least15mm from end of deck board. Ensure there is a minimum gap of 5 6mm between each deck board. Measure to the house at both ends and in the center when you get within about 5 ft.