![]() Cut 1-by-2 spacers to the joist width and fasten them with 2-inch common nails between all of the pairs of joists and collar beams at 2-foot intervals.For each triangle, cut two collar beams to fit between the outside edges of the rafters, and then bolt them on as you did the joists. Allowing for at least 7 feet of headroom, mark both rafters of each triangle at the end walls and under the loft for collar beams.Assemble the remaining triangles in the same way, but secure gussets to just one side of each end triangle.Add a second carriage bolt to each joist-rafter joint.Butt the top ends of the rafters together and fasten the gussets to each side of the seam with wood glue and 1 3/4-inch No.From 3/4-inch exterior-grade plywood, cut two triangular gussets to the same angle as the A-frame.Bolt the opposite ends of the joists to the base of another rafter in the same way.Fasten the boards together with a 5/8-by 6-inch carriage bolt, washer and nut.Clamp the ends of two joists around the base of a rafter, aligning the ends and edges of the boards, and drill a 5/8-inch hole through the three layers.Cut the other end so both cuts angle toward the middle.Align the mark with the kerf and cut the board.Remove the scrap board and replace it with a joist or rafter, marked to length.Run a circular saw along the guide, cutting a kerf through all three boards. ![]() Align a 1-by-2 with the mark and screw it to the 2-by-4s as a cutting guide.Place a 2-by-4 on each side of the board and fasten them down with screws.Mark a scrap board at the angle of the joists or rafters and set it on a work surface. ![]()
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