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TORX
19
Visit
www.starblock-screws.comLAY YOUR
TERRACE
IN 3 STAGES
BOARD DEPTH (MM)
SCREW LENGHT (MM)
less than 22
50
22 à 27
60
more than 27
70
THE RIGHT NUMBER OF SCREWS
THE TERRACE BOARDS
THE RIGHT SCREW LENGTH
ESTIMATE
FIX
CHOOSE
1
2
3
200 screws = 4.5 m²
On the basis of drilling a hole every 40 cm with a board width of 12 cm.
500 screws = 11 m²
Pre-drill 15 mm from the edge of the board
Use a drill bit which is 0.8 times the diameter of
the screw (for example, for a 5mm screw use a
4mm drill bit).
Recommended distance: 40 cm
400 mm
15 m m
28 à 33 mm