How To Replace Rotten Purlins Under Barn Roof

I am building an all wood pole building.

How to replace rotten purlins under barn roof.

Change a rotten or damaged fascia board. 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. I want to insulate the walls and up at the purlins to keep as much usable space as possible with an insulated building.

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. We used 2 6 stock and doubled them up installing them under the main barn beam. Over time roof rafters can wear crack or rot and replacements may be in order.

It was very easy. 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. 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. You can install a new fascia board in a couple of hours with the right tools to d.