3/28/2024 0 Comments Rafter ties for shed roof![]() ![]() Last edited by Charlie Velasquez 11-29-2020 at 6:39 PM. I use the chains and a hoist to lift my tools, weights ranging from 200# to 700#. Foundation under the king studs iare 24”x24” concrete block on a 6” bed of gravel. I used doubled 1.75”x12 lvl headers above the doors. 16’ span ridge beam: doubled 1.75” x 12” lvl with 2x4 vertical spacers to allow logging chains to be hung. I incorporated his design in my shed (on 4x4 skids set on concrete blocks. My brother had a similar 12x16 “playroom” and hung apparatus and weights from his beam. Since this is for workouts and stuff, consider bumping it up one size. There are online charts/calculators to size the ridge beam for your span and anticipated snow load. But now you need foundation on two spots under the sill The short post will land on the header, distribute the load to its ends, then you finish the journey to the sill plate with posts on either side of the door. The easiest and most efficient way would be a post directly under the ends of the ridge beam, going straight down the wall to the sill plate, and have some sort of foundation under that portion of the sill plate.īut, if you have an opening in the wall like a door, then you need a strong structural piece of wood that spans the door width, called a header. It wouldn’t be feasible to have a post running all the way from floor to ridge.The load from the beam has to be supported by some sort of foundation. You are correct in the assumption that a door is located there. I’m not sure I understand your terminology in the last bit: “you would just have to head it off and run to foundation that way”. It wouldn’t be feasible to have a post running all the way from floor to ridge. ![]() Looks like youve already got a header to land on on one end.I’m not sure I understand your terminology in the last bit: “you would just have to head it off and run to foundation that way”. Location and length of span will dictate the size of the beam. If you cant install a post below the new ridge (door opening or something) you would just have to head it off and run to foundation that way. In a small building like that some simple tie straps on either side of the rafters connecting them to each other would be pretty simple and more than likely not even necessary but good insurance. Your only concern setting a ridge under the existing rafters is either tieing the rafters each other or to the ridge beam. The ridge beam at its ends (on the gables) would have to have its load carried to foundation (whatever the foundation of the shed is). You can easily do it by installing a structural ridge either cut and nested in to the existing rafters or mounted below those rafters. ![]()
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