Leave a gap between boards so the timber can swell in the wet and shrink in the dry without buckling.
5.0
3.0
145
5
400
10
Fine tuning
20
Deck boards
110.0 m
13
Joists
39.0 m
520
Screws
15.0 m²
Deck area
Leave a gap between boards so the timber can swell in the wet and shrink in the dry without buckling.