Rafter vs Truss. It may be difficult to choose if you want Rafters or Trusses, so here is a table of rafter vs truss showing and comparing the features and elements of both. Also see the images below for proper understanding. truss vs rafter Truss vs Rafter

There are many factors to consider when choosing between rafters and trusses for the roof frame: the effect that the designer wants to achieve; the size and skill of the crew that will frame the roof; the budget and schedule of the job; and the amount of space available around the building.

What they actually do vs. What we think they do. Collar ties (or ridge straps) prevent the ridge from separating due to uplift pressure from wind (top drawing, right). Rafter ties or ceiling joists support the rafters and sidewalls under gravity loads, including the dead load of the roof structure and live loads such as snow (above drawing).

2004年9月24日 · But - The other 4 truss plants that I have worked at have been much better. I think it varies a lot from one area to the next. I could go on about quality for a L O N G time. But I'll save that for another thread, if anyone is really interested. "I met with an engineer for one of our stick framed roofs and talked about the rafter/ridge ...

Cut a test rafter to length. Here, both ends have plumb cuts for a 4:12 pitch, and the eave end has a seat cut that sits on the top plate. Check the fit. Lift the test rafter onto the roof. Checking the length and angle of the cuts on the test rafter prevents making a roof’s worth of incorrect rafters.

2001年7月1日 · Rafter ties amount to an additional framing member that runs above the ceiling joists and that connects opposing rafters. They are generally required every 4 ft., which means that you need a rafter tie only for every other pair of 24-in. o. c. rafters or for every third pair of 16-in. o. c. rafters. Fine Homebuilding Recommended Products

2021年10月27日 · Looking to frame a lakefront home (30 x 42) with 10/12 pitch. I know truss’s would be simpler but we wouldnt get a loft and I would still be concerned about a little snag in the heavy snow load area. It looks the the rafter span would be just over 19 feet which I thing would really be pushing the limits.

2006年2月25日 · What does that mean? How and what is it compared to vs a stick framed roof. Are we saying for example that we have two houses that are the exact same house with one having a stick framed roof with 2x8 rafters and 2x4 collar ties with 2x8 ceiling joists and vs a truss roof and both have a 5/12 pitch.

2012年6月12日 · On a attic truss it would be vented to the ceiling in the loft space. The vents are only needed if you are putting insulation that would normally close off the bay. So if you used an attic truss w/5' kneewall then that point where the ceiling meets the rafter would have to …

Where rake overhangs are planned, truss suppliers can fabricate drop-top gable-end trusses. These are dropped the width of the top chord (usually 31⁄2 in.) from the common trusses in the package. After you set all the trusses, you can install a rake that passes over the drop-top truss and ties into the first truss inside the wall. Scissor Trusses