Where this distance cannot be maintained, the cable or raceway shall be protected from penetration by screws or nails by a steel plate or bushing, at least 1. Centered, closer to the top, or whatever They'll have engineers that they can run the information by who will prescribe a repair if it's needed. Pages containing links to subscription-only content Wikipedia articles with GND identifiers. Such a practice is satisfactory provided that the trusses have a firm and level support of the ground. If something happens the insurance co will void any claims for sure.
Originally Posted by diggum. Notches and holes are typically caused by people working in the roof space. You could but that's overkill. I am comfortable when I have to modify a truss, but I have a strong background in working with loads, and engineering. This keeps the partition wall stable and plumb and secures the rafters at the proper on-center spacing.
drilled holes in trusses | Fine Homebuilding | Breaktime
They can be easily replaced with a 2x4 ,glue and nail gun. The clips attach to the tops of the interior wall partitions and are then fastened through the slots to the trusses. This should probably be a blog entry. For the same steel weight, it is possible to get better performance in terms of resistance and stiffness, with a truss than an I beam. Surveyors and Inspectors need to be vigilant in spotting unauthorised alterations. They may even have records for your particular house. Since every truss is supposed to be stamped by the manufacturer, you should be able to go to them.
Originally posted by Jonny This would be unusual. Puch through the drywall where you plan to cut, it you hit something on the other side, don't drill there. Such a practice is satisfactory provided that the trusses have a firm and level support of the ground. Within a trussed rafter roof, variations in profile are normally accommodated by maintaining as much as the main profile as possible. You're fine as long as an inspector doesn't give you a hard time. The scissor truss gets its name from being shaped like a pair of shears scissors.