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I'm a MechE by training, but I've been asked by my supervisor to scope out and estimate a job which (among other things) includes installing a door into an 18" thick load-bearing brick wall.
What do I need to consider in this instance? What type of support structure needs to be constructed around the doorjamb in order to install a standard interior door? How labor-intensive is this work (in terms of man-hours), and what equipment will be required?
Any help or advice would be appreciated.
Very strange. I got a double post!
Rule #1: Use only competent tradesmen.
A standard door opening here (UK) is about 32" (800 mm). Brickwork will self-support at 1000 mm so even though the standard bearing is ~150 mm each end, it is not taken into account as a good builder with the right tools can have this done in 1/2 a day. If, after surveying, it is deemed that the existing brickwork is of too poor quality/opening will be too large or it will be left for an unspecified amount of time, to self support then there is a tool out there called a "Strong Boy". This is essentially a stiffened plate that fits into the bed joint to support the bricks above allowing the lintels to be installed beneath.
Best advice would be to employ a Structural Engineer that is working within the state where the works are to be carried out. Having someone whom knows the codes for your state or area.
Have fun :)
I had a similar issue but spoke with someone who knew the codes and got the help, which I found out I was doing things wrong.