sister

I am about to put a chipboard new floor down in a bathroom and want to level the existing joists as they slope towards the party wall. It is only a very small span (1m) that needs levelling as the floor that sits underneath the bath has not been removed. I have looked at sistering the joists...

I’m about to sister joists onto existing ones to level a suspended floor. BCO mentioned I could use screws instead of carriage bolts, but I didn’t quiz him any further at the time. Does anyone have experience in doing this, and would these do the job...

Looks like I've had a historic leak in the bathroom. So far this is the only rot I've found. Would it be reasonable to cut out say half the depth of the joist, piece in a new section and then sister either side to add the strength back. I've ordered some boron gel to cover everything in after...

I've read a lot of really helpful stuff on her over the past three years as I renovate my 200 year old money-pit of a house.. I'm on to the bathroom, not a huge space, approx 3m X 3m. It has old hand cut elm boards of varying sizes and elm joists every 35cm. The board are beyond saving due to...

I need to add more attic storage space, so I want to put a floor down in an unfinished section of the attic. Joists are 2"x6" and 16" on center with 10" of blown insulation. My plan is to strap another 2"x6" perpendicular to the joists giving me 11" of space for the insulation, and then...

Hi So, I have to run a 44mm waste pipe through my joists in my bathroom - not ideal but such is life. My thoughts are to hole and sister joist each in turn. My question is how to do this? Reading around, i see my options as follows: 1) Buy 2x7 and glue + strap each side of the joist for a...