Pole Barn Roof Support Beams

The outer poles are set just like i set my poles for the barn and i used two 2x12s for the headers.

Pole barn roof support beams.

Common spacing for the poles is every 10 or 12 feet along the length of the barn and across the ends but wood trusses span up to 30 feet so interior supports are not typically required. We now had to address the issue of repairing barn support posts. The barn structural 4 x 6 posts were installed directly into the ground and buried 36 in the ground. After removing these sheathing boards further inspection revealed that almost half of the barns structural posts were rotted or starting to rot at ground level.

I set one end on a ledger board and also secured the rafter to the header with angle brackets. Extra support for the trusses can be made by placing a 2 by 4 inch piece of lumber from each truss on one side to the truss on the other side high enough to provide head room but low enough to provide support for the trusses. These boards were 1 1 2 thick and 3 1 2 wide and were tongue and groove. Truss spacing roof purlins and roof sheathing is listed below with the roofing finish options.

The 29 gauge steel we use manufactured by companies leading names like american building components union corrugating mcelroy and fabral will support up to 236 pounds per square foot psf over supports at 24 inches on center or 151 psf over supports at 30 inches on center. In this situation the walls of a finished attic space or room would go with the roof line. Nails trim basic plans. To avoid rupturing these lines while the beam is being raised support them with a 2x6.

Measure the base board to fit across the roof support beams and then choose the angle at which you want the roof to slope. Repair or replace posts or footings by raising the beam with a hydraulic jack and 4x4 post then shoring it with adjustable steel posts. Miter the edges of the upwards angled boards so that they meet flat together at the joints. The posts spaced every few feet around the perimeter of the home called perimeter footings and piers are placed at least every 8 10 foott along the home s perimeter to support the weight of the new roof.

When they are put together lift them up with the help of others onto the roof beams. Choosing pole barn aesthetics first and foremost barns are functional buildings but here are a few simple additions to make it more pleasing to the eye. Buy a hydraulic jack and rent the shoring posts for the project. Vinyl siding trim on 7 16 sheathing and house wrap additional 2x4 vertical nailer 4 on center for 4x8 sheathing painted steel siding trim w matching screws 29 ga.