What Is Wood Backing

When correctly placed, blocking also provides grounds (also backing or back blocking) for supporting the cut ends of wall claddings and linings or for attaching items such as cabinets, shelving, handrails, vanity tops and backsplashes, towel bars, decorative mouldings, etc.

Why is backing installed?

When correctly placed, blocking also provides grounds (also backing or back blocking) for supporting the cut ends of wall claddings and linings or for attaching items such as cabinets, shelving, handrails, vanity tops and backsplashes, towel bars, decorative mouldings, etc.

Is blocking required for walls?

So any sheathing edges that don’t land on standard framing (studs, plates, windows/doors) need to be supported by blocking. All edges of wall sheathing must be supported by and nailed to framing. This edge didn’t land on plates, so install blocking to support it.