Hi all,

I'm building a deck with not too much ground clearance and was wondering whether there are any disadvantages to running joists between bearers rather than on top.

My original plan was to have the joists on top of the bearers as follows: 100x100 bearers and 100x50 joists on top, with 100x100 posts 1200 apart in a grid and 450 spacing between the joists.

Would I be better to run the joists between the bearers using 150x50 for both (or 150x75 if needs be).

Also, will pairs of 12g or 14g bugle head screws converging slightly down towards each other do much to prevent cupping if I use 140mm boards? Are there any highly recommended hardwoods which are less likely to cup?

Thanks very much,

Dan


Read the full thread at RenovateForum.com...