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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Posted to uk.d-i-y
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Hi.
I am thinking about enlarging a ground floor (single brick) wall opening which is currently 42" wide and is in the middle of the wall. One side of the opening is adjacent to the back wall of the house and this section is also some 42" wide. The back wall of the house is double brick and the wall with the opening in it rises into the loft to form a pyramid that the big wood beam sits on (can't remember the term). So the question is..based on a few things I've read. I will need a lintel of about 8 ft long but some builders don't recommend concrete lintels over 6ft. What do you recommend here? Thanks. Arthur |
#2
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In an earlier contribution to this discussion,
Arthur 51 wrote: Hi. I am thinking about enlarging a ground floor (single brick) wall opening which is currently 42" wide and is in the middle of the wall. One side of the opening is adjacent to the back wall of the house and this section is also some 42" wide. The back wall of the house is double brick and the wall with the opening in it rises into the loft to form a pyramid that the big wood beam sits on (can't remember the term). So the question is..based on a few things I've read. I will need a lintel of about 8 ft long but some builders don't recommend concrete lintels over 6ft. What do you recommend here? Thanks. Arthur Use an RSJ - 7" high x 4" wide. If you do that, your BCO will probably accept it without requiring any calculations. The ends will need to be supported on padstones at least 150mm long, one of which will need to be embedded in the outside wall. [It's probably easiest to make a hole right through the outside wall, feed the RSJ in through it, and brick it up when done.] -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! |
#3
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On 11 Sep, 13:16, "Roger Mills" wrote:
In an earlier contribution to this discussion, Arthur 51 *wrote: Hi. I am thinking about enlarging a ground floor (single brick) wall opening which is currently 42" wide and is in the middle of the wall. *One side of the opening is adjacent to the back wall of the house and this section is also some 42" wide. The back wall of the house is double brick and the wall with the opening in it rises into the loft to form a pyramid that the big wood beam sits on (can't remember the term). So the question is..based on a few things I've read. I will need a lintel of about 8 ft long but some builders don't recommend concrete lintels over 6ft. What do you recommend here? Thanks. Arthur Use an RSJ - 7" high x 4" wide. If you do that, your BCO will probably accept it without requiring any calculations. The ends will need to be supported on padstones at least 150mm long, one of which will need to be embedded in the outside wall. [It's probably easiest to make a hole right through the outside wall, feed the RSJ in through it, and brick it up when done.] -- Cheers, Roger ______ Email address maintained for newsgroup use only, and not regularly monitored.. Messages sent to it may not be read for several weeks. PLEASE REPLY TO NEWSGROUP! Yes. That sounds like the sensible route. Thanks. Arthur |
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