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Hi there,
I'm in the process of building a HWS and am after a bit of advice on deck strength.
I have managed to source 4mm thick panels of Californian redwood (sequoia) and am at the point in the build where the frame is done, bottom section is laminated onto the frame and I'm about to join and laminate the deck.
Im after advice in the best way to ensure deck strength (without getting too heavy handed as I'm not wanting to add excessive weight). From my testing of the strength of the 4mm timber, I'm fine with it for the bottom but feel it will need a little more strength in the deck. The frame does have strips running parallel to the stringer of the frame for strength already.
ps 4mm is just under 3/16" in imperial
-Cam