Floor Joist reinforcement
 

On Monday, April 8, 1996 at 3:00:00 AM UTC-4, Marc Golightly wrote:
Does anyone know what type of reinforcing I need to cut a 4 inch
hole in a 2x10 floor joist for a soil pipe (ie 2x4 above and
below the hole for how long?, or what?)?

You could try this - https://www.joistrepair.com/products/2810hr
It says you can reinforce a hole up to 6" on a 2x10

Floor Joist reinforcement
 

On Thu, 8 Oct 2020 16:55:22 -0700 (PDT), Dan Wensley posted for all of us to
digest...


On Monday, April 8, 1996 at 3:00:00 AM UTC-4, Marc Golightly wrote:
Does anyone know what type of reinforcing I need to cut a 4 inch
hole in a 2x10 floor joist for a soil pipe (ie 2x4 above and
below the hole for how long?, or what?)?

You could try this - https://www.joistrepair.com/products/2810hr
It says you can reinforce a hole up to 6" on a 2x10

Interesting. They also have a notch repair product.

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Tekkie