If you detect rotten roof.
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.
It was very easy.
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.
Over time roof rafters can wear crack or rot and replacements may be in order.
Reader john in covington writes.
We used 2 6 stock and doubled them up installing them under the main barn beam.
I am building an all wood pole building.
A challenge occurs when clients look to insulate between their roof purlins.
I want to insulate the walls and up at the purlins to keep as much usable space as possible with an insulated building.
The purlins are 2x8s.
The roof shingles are perhaps the easiest part of the project.
Use a flat garden spade to remove the shingles and inspect the sheathing to ensure there s no rot.
Before repairing barn support posts we first had do install temporary structural supports to support the weight of the roof.