How To Replace Rotten Purlins Under Barn Roof

Reader john in covington writes.

How to replace rotten purlins under barn roof.

The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to. This approach allowed us to save 90 percent of the original post that was not rotted and kept the old barn look. A challenge occurs when clients look to insulate between their roof purlins. Use a flat garden spade to remove the shingles and inspect the sheathing to ensure there s no rot.

Change a rotten or damaged fascia board. The purlins are 2x8s. Purlins are non pressure treated 1 x 4 x 12 lumber that is installed on to the roof in a specific layout pattern and screw pattern. You can install a new fascia board in a couple of hours with the right tools to d.

Before repairing barn support posts we first had do install temporary structural supports to support the weight of the roof. The process of replacing existing rafters so that your roof remains intact without removing the roof to do it requires some basic carpentry skills and a few common tools. It was very easy. I want to insulate the walls and up at the purlins to keep as much usable space as possible with an insulated building.

We used 2 6 stock and doubled them up installing them under the main barn beam. If you detect rotten roof.