Most decks use 16 on center spacing for joists.
Spacing between deck boards uk.
Joist spacing for composite decking.
Measure to the house at both ends and in the center when you get within about 5 ft.
Spacing between deck boards.
Joining two boards in a run.
Adjust the spacing between deck boards gradually over the next 10 rows of decking until the distance to the house is equal.
Many jurisdictions following the international building code which requires a minimum 1 8 inch spacing between boards.
Position the fixing at least15mm from end of deck board.
Generally an acceptable gap between deck boards is between 1 8 inch and 1 4 inch.
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.
The most common spacing measurement between deck boards is 1 8 inch.
Joist and deck board spacing guidance.
In this instance the maximum span between deck post centres is 2 07m c16 or 2 24m c24.
Adjust spacing between deck boards.
Decking subframe design guidance decking beam span guidance.
We recommend beams are constructed from two 44 x 145mm q deck deck joists and are placed at maximum centres of 1 8m.
The width of the nail is 1 8 inch.
Larger gaps such as 1 4 allow more of this material to fall through the deck.
Ensure there is a minimum gap of 5 6mm between each deck board.
Spacing between deck boards provide a few critical functions.
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.
A convenient way to get consistent spacing is by using a 6 penny or 8 penny nail between each course of decking.
Both sizes have their pros and cons.
Position the fixing at least 20mm from the edge of the deck board.
Gaps that are narrow 1 8 can catch debris specifically on top of the joists and can be difficult to clean out.
For timbertech azek decking it s recommended to have a minimum 1 8 to 1 4 side to side gap between deck boards.
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.
The primary function is to drain water from the deck.
Most decking is not strong enough to support longer spans than 16.