jar546
CBO
The biggest problem I have with this is that it is not fully nailed. I am not even sure that Simpson, USP or whoever even makes a hangar for older, rough sawn lumber without a special order.
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Old lumber, new joist hangars
- Thread starter jar546
- Start date
steveray
SAWHORSE
I have used some full 2" hangers from simpson....but that was a while back in an old mill town where there was alot of older structures fit for remodeling....
kyhowey
Silver Member
If the block was longer and nailed to the existing joist, I would have no problems with it.
jar546
CBO
Absolutely. I asked that they sister the joist for about 12" and secure it.kyhowey said:
Keystone
SAWHORSE
Agreed, adding a sister joist would appear practical.
Burdgers - "Block needs to be 2x2 minimum for structural application." For my own knowledge, what source would be used to make that determination, IRC/IBC, MII, RDP?
Burdgers - "Block needs to be 2x2 minimum for structural application." For my own knowledge, what source would be used to make that determination, IRC/IBC, MII, RDP?
GCtony
Silver Member
Can't tell for sure but those nails don't look like the correct nails.
Before the days of Simpson (proud sponsor of the IRC) We used to rip 1 1/2" x 1 1/2" (or larger) legders, notch and toe nail the joist. Does code still allow this practice?
Before the days of Simpson (proud sponsor of the IRC) We used to rip 1 1/2" x 1 1/2" (or larger) legders, notch and toe nail the joist. Does code still allow this practice?
steveray
SAWHORSE
R502.6.2 Joist framing.
Joists framing into the side of a wood girder shall be supported by approved framing anchors or on ledger strips not less than nominal 2 inches by 2 inches (51 mm by 51 mm)....Or in other words...yes!
Joists framing into the side of a wood girder shall be supported by approved framing anchors or on ledger strips not less than nominal 2 inches by 2 inches (51 mm by 51 mm)....Or in other words...yes!
GCtony said:
Yes you can but that has its' own set of problems. The "re-entrant corner", the corner at the inside edge of the joist notch often enough ends up with a horizontal split where the notch causes the shear stress to concentrate. The ledger is designed and thought of as having the nails in shear. A 2x2 ledger fails by rolling off the girder rather than sliding down in shear. The nails are actually in something between shear and withdrawal.GCtony said:
If it's a cathedral ceiling, air chutes in every bay, all the way.
jar546
CBO
If the hangars shown in the photo were needed for uplift too, there is a big problem.
A significant issue here is that the weight of the "floor beam" or what ever is beinig supported is not at the edges of the hanger where the weight was intended to be. It appears that the weight is all carried on the on the right hand side of the hanger with one edge at least 1.5" fromt he edge. That is not the way hangers are intended to be used. Even if the centered the beam and put fillers on each side, that is not the way the hanger was designed to carry the loads. Not a good idea.
KZQuixote
Sawhorse
Sorry Tony,GCtony said:
The compendium of obfuscation has opined that a grade stamped piece of lumber cannot be ripped. The result is that if'n you need a 2X2 you need to buy a 2X2. However, if'n you do purchase bonafide 2x2's you can nail them on any schedule you choose to support any joist you need to. No Hangers required.
Bill