How To Replace Rotten Purlins Under Barn Roof

This approach allowed us to save 90 percent of the original post that was not rotted and kept the old barn look.

How to replace rotten purlins under barn roof.

If you detect rotten roof. 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. Change a rotten or damaged fascia board. The roof shingles are perhaps the easiest part of the project.

The purpose of the purlins is to provide a solid foundation for the metal roofing panels and trim to be screwed to. The purlins are 2x8s. I want to insulate the walls and up at the purlins to keep as much usable space as possible with an insulated building. Over time roof rafters can wear crack or rot and replacements may be in order.

I am building an all wood pole building. 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. Reader john in covington writes. It was very easy.

Use a flat garden spade to remove the shingles and inspect the sheathing to ensure there s no rot. A challenge occurs when clients look to insulate between their roof purlins.