I'm creating an extension to my kitchen, this is all planning and building regs approved, but now we are coming to actually build it!
The difficult part is the opening in the former external wall. We want to make this pillar-less and also not have a visible beam across the ceiling. Note that the external wall will become internal, as there is a small sloping roof on top of the extension which will flash into the brickwork about a metre above the ceiling level.
Anyway, The only way to do this is for the floor joists to actually rest "in" the beam, therefore the beam only extends a few MM below the joists and i can make the ceiling seemless. I always imagined an RSJ with the beams resting on the lower plate, or something similar.
I called Catnic technical support who told me that ALL their cavity lintels must have 1 course of brickwork before any joists.
I'm now wondering if 2 lintels is the better solution, 1 for each course of bricks, the inner one supporting the floor loads. However, I can't even find any lintels to do this! Is this allowable by building regs?
Any ideas? Any suggestions will be much appreciated.... any specific model numbers or suppliers would be very helpful.
Regards,
-Carl.
The difficult part is the opening in the former external wall. We want to make this pillar-less and also not have a visible beam across the ceiling. Note that the external wall will become internal, as there is a small sloping roof on top of the extension which will flash into the brickwork about a metre above the ceiling level.
Anyway, The only way to do this is for the floor joists to actually rest "in" the beam, therefore the beam only extends a few MM below the joists and i can make the ceiling seemless. I always imagined an RSJ with the beams resting on the lower plate, or something similar.
I called Catnic technical support who told me that ALL their cavity lintels must have 1 course of brickwork before any joists.
I'm now wondering if 2 lintels is the better solution, 1 for each course of bricks, the inner one supporting the floor loads. However, I can't even find any lintels to do this! Is this allowable by building regs?
Any ideas? Any suggestions will be much appreciated.... any specific model numbers or suppliers would be very helpful.
Regards,
-Carl.