Should we install drywall sheets horizontally or vertically if we screw them on horizontal furs?
I know the question has been asked on this site in the past and I remember Iggy's answer (see below), but then I wonder if we should not install the panels horizontally on horizontal furs for reason #2 given by Iggy’s answer?
Iggy’s Answer: Should drywall be hung horizontally or vertically?
Vertical Only, here’s the proof & truth!
Why and How Horizontal’s Wrong (and why Vertical’s right)...don’t ruin new from the start:
1 – Defective Seam ...
2 – Unsupported Seam – Horizontal’s tapered edge is 90% unsupported, only 10% (instead of Vertical's 100%) contacts framing, the seam will and does crack. Light switch and countertop electrical boxes within the seam equals more weakness and butt-joint doubled, minimum, efforts.
3 – Structural Defect - ...