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- How to Reinforce Ceiling Joists to Handle Heavy Loads
YOU could strengthen the clg joist system by adding plywood on top of the clg joists I think you would get more bang for the buck with the sistering solutions listed above but if the person was thinking he would like sheathing up there anyway, then the sheathing might get him the reduction in deflection he is looking for
- Old House, 2x6 joists - Fine Homebuilding
If you want to stiffen the floor and ensure the joists aren't overspanned according to today's standards you can add one additional 2x6 joist alongside each existing joist Since the new joists would be shorter in depth than the existing joists it will be pretty easy to roll they upright once you lift them on top of the top plates
- doubled 2x6 joist span - Fine Homebuilding
8" oc would reduce the span for your subfloor material, but makes no difference at all in terms of joist strength and deflection It reduces the space in the joist bays from 14 1 2" to 6 1 2", which will be a royal pain for any HVAC, plumbing and electrical work, not to mention blocking -- J S
- How Far Can You Cantilever Deck Joists? - Fine Homebuilding
In conventional deck framing, half the joist-span load bears on the ledger and half on the beam When a joist cantilevers the full 1:4 ratio, the load on the beam increases by 50% For example, the load on a beam from a 10-ft joist span with a 2-ft 6-in cantilever is the same load as a 15-ft joist span with no cantilever
- drywall screw pattern - Fine Homebuilding
when you hang sheetrock the butt should be lapped onto the joist 3 4" solid the edge will only have something to screw to every16" or 24" whichever your clg joist are spaced on same on walls if hung horizonally YOU ONLY NEED TWO TOOLS IN LIFE - WD-40 AND DUCT TAPE IF IT DOESN'TMOVE AND SHOULD, USE THE WD-40
- Vaulting a presently-trussed ceiling in a ranch house
Once you have the rafters in and strapped down nail lthe trusses to the rafters whereever they touch Once that's done saw the truss webs flush with the bottom of the new rafters and you've got the hard part all done I'd be inclined to use a manufactured rafter like a Trus Joist for lightness Sounds like a fun job to me
- ive moved the rafter ties,now what? - Fine Homebuilding
jim,just sitting here trying to figure if i really screwed up or what if i understand what your saying is the weight of the tie plus the weight of the ceiling will have a downward force on the tie ceiling joist cause it to bow downward in the center, as this happens it will be pulling on the 2x6 rafter about a foot above the top plate,this will create a downward bow in the rafter?
- flat roof design help - Fine Homebuilding
i had to get a engineer stamp for my flat roof 16' span,the spec was 2x12 on 12" center so we laid them up with a 8" drop in 16' then went in and laid 2x8's level for the clg joist on 24" center i joked that we must of wiped out a acre of forest to buid the roof then laided up a rubber roof,so far so good larry
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