Raising Loft Floor Joists
11 june 2012 at 11 17am.
Raising loft floor joists. In this case your joists are adequate to support a 30 psf live load and 10 psf dead load. If the floor joists are uneven and it s likely that they will be since even. Learn how to repair a floor joist if you ever do run into this problem. My next thoughts turn to raising the floor so i can insulate up to a thickness of 250mm with the 150mm insulation.
My current loft has flooring all over it but the joists have a depth of 100mm so that will take care of the 100mm insulation we have. Raising joists to board loft. Putting in an attic floor with uneven joists. Finishing an attic is a cost effective way to gain more living space.
How to repair a butchered floor joist the criticism is often undeserved but plumbers nonetheless have a reputation for taking a recip saw to studs joists and rafters when they get in the way of supply and drain lines. Your loft floor will flex much much less so no cracks in bedroom ceilings etc i would recommend hiring an impact driver and chopsaw for this job ive done it in my loft and its the. Understanding how the entire residential structure fits together is key when significantly altering one portion of the. The span table for a 30 psf live load 10psf dead load floor indicates a required fb value of 1 315 and a minimum e value of 1 800 000.