Is back-blocking necessary?
Back-blocking is strongly recommended as an added precaution for longitudinal recessed edge plasterboard joints in ceilings and for butt or end joint walls and ceilings.
Should I stagger drywall on ceiling?
It’s not necessary to stagger seams on ceiling drywall. However, because these joints are relatively difficult to finish—and tend to be noticeable in the finished product—it’s a good idea to stagger the drywall panels to make the joints less visible.
What is drywall back blocking?
Back-blocking is designed to minimize ridging by placing butt joints between framing members. The drywall is hung perpendicular to the framing members, so that the butt ends can be reinforced along the back of each panel, behind the joint.
Should I back block plasterboard?
Back-blocking is a method for reinforcing plasterboard joints to minimise joint cracking and peaking. It is not necessary to back-block recessed wall joints, only ceilings joints and butt joints.
What is the cause of popped nails in a ceiling?
When nail-pops show up on the ceiling of the floor just beneath the attic and near a wall intersection, the culprit is a phenomenon known as truss-uplift or a variation of it. The framing is flexing and the drywall in those areas where the nails are popping can’t — hence the popping.
Should I leave a gap between drywall sheets?
Always leave a 1/2-inch gap at the floor. This allows for floor and wall expansion without cracking the drywall.
Which is the best way to back block drywall?
The drywall is hung perpendicular to the framing members, so that the butt ends can be reinforced along the back of each panel, behind the joint. The panel seams can be reinforced by installing a drywall panel behind the seam (see the drawing below). But commercial products designed for back-blocking are much easier to use.
How big does a ceiling need to be to back block?
The Australian standard states that any joints that span at 600mm need to back-blocked. Joints that span over 450mm only need to back-blocked if there are over 3 ceiling joints in the room. At Axon Plastering we back-block all joints regardless of truss/metal batten width to insure maximum strength to the joint.
Is it necessary to back block recessed wall joints?
The method for back-blocking is easy and I will explain how to do it in this article. It is not necessary to back-block recessed wall joints, only ceilings joints and butt joints. For those of you that don’t know what back-blocks are, they are off cuts of plasterboard that fit between the your trusses or metal batterns.
Where is the butt end of drywall supposed to be?
Back-blocking is designed to minimize ridging by placing butt joints between framing members. The drywall is hung perpendicular to the framing members, so that the butt ends can be reinforced along the back of each panel, behind the joint.