View Full Version : Replacing deck
26th May 2012, 09:10 PM
G'Day guys I am about to replace my deck with 140 x 22 Merbau decking what are the best size screws to use to prevent cupping? I was thinking of 10g 50mil stainless square drive would thay be OK?
28th May 2012, 10:32 PM
Hi Bob, 2 1/2 times fixture thickness is a good industry rule of thumb so 50's would be just OK but 65mm would be better. Most guys use 3 per board on 140's or 2 x 50mm or 75mm batten screw.
Hope that helps.
29th May 2012, 06:33 AM
x2 with a (spax) batten screw
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