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I am trying to find out what lintel I require to span a 6
Hi. I am trying to find out what lintel I require to span a 6 metre opening which will accommodate bifold doors. The Lintel will only be supporting a flat timber roof. (9-inch timber joists) . It is a… read more
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I am going to enlarge a door way that is now 32 inches and
I am going to enlarge a door way that is now 32 inches and want to open it to 6'. It is a bearing wall, so what size beam will I need to use … read more
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I have 2 triple 2x12 beams running the length of my house
Hello; I have 2 triple 2x12 beams running the length of my house supporting my roof. They are 15' apart and although there is a wall under each, with some openings - closets, doorways, neither of thos… read more
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I'm building an extension and need calcs on a rsj. I'm
Hi, I'm building an extension and need calcs on a rsj. I'm opening up the kitchen on the ground floor at the rear of the house. The span of the beam is 5.5 metres. 2 storey house. Pitched roof. Also w… read more
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I have a 4.3 meter span of ceiling to support and wish to
i have a 4.3 meter span of ceiling to support and wish to know what size Box RSJ I should look at to support the weight. The ceiling is 4.3 m x 3.5 meter and the joists run the shorter length It is di… read more
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I have a existing lintel between the sitting room and
Hi There, I have a existing lintel between the sitting room and dinning room. I would like to expand this opening. One one side is a external hollow block 9inch wall. On the other side is a Chimney br… read more
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I'm really just looking to figure out what size beam I need
I'm really just looking to figure out what size beam I need to replace a load bearing wall. … read more
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Background: In my 1954 California home, I am seeking to install
Background: In my 1954 California home, I am seeking to install a new 36" doorway from my kitchen to my (attached) garage where the floor is 3ft lower than my kitchen floor. The new doorway is planned… read more
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Need to add a lintel over a opening of 1meter and 1.5 meter
need to add a lintel over a opening of 1meter and 1.5 meter under the house in the basement… read more
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I want to build a house with a 6m opening in the external cavity
I want to build a house with a 6m opening in the external cavity wall on the ground floor. The lintel will support one end of posijoists spanning 5m, the external brick and block cavity wall with a 15… read more
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beam to span 3.8metres.carries ceiling joists either side.also
beam to span 3.8metres.carries ceiling joists either side.also supports cut roof approx 1metre from end. roof is terracota tiles.thank you.… read more
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I have a 3.4 metre opening that requires a lintel to support
I have a 3.4 metre opening that requires a lintel to support a roof and ceiling joists. A structural engineer calculated a 200 mm by 132 mm flitch beam wood be required using a 6 mm by 200mm central s… read more
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Putting fold doors in instead of a window opening the size
Putting bi fold doors in instead of a window opening the size from 2.1 metres to 3.3 having to replace the existing lintel for a longer one wall total length 4metres normal size house cavity brickwork… read more
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Is it possible to use a reclaimed oak beam above a 1300mm wide
Is it possible to use a reclaimed oak beam above a 1300mm wide opening? This is the end (non-gable) wall of a house, and therefore supports the floor above. There is an existing 900mm opening that is … read more
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2 storey brick construction - rsj for basement two support
2 storey brick construction - rsj for basement two support grnd floor and 1st floor wall - length of wall 2.8m making stair way to basement open plan… read more
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Hi there, I am hoping to place a 203 x 133 x 30 universal beam/RSJ/column
Hi there, I am hoping to place a 203 x 133 x 30 universal beam/RSJ/column into a newly formed opening in an existing 100mm thick plastered masonry wall in a Victorian house in Portsmouth UK with nice … read more
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I am building a glass roofed conservatory and plan to have
I am building a glass roofed conservatory and plan to have folding doors 4.5 metres long. I plan to use an black angle iron 100mm X 75mm X 10mm as a lintel. The constant weight on the lintel will be 3… read more
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I am doing a loft conversion and need calculations for size
I am doing a loft conversion and need calculations for size of rsj's to support new joists,flooring,total of two,and new dorma flat roof total of one,at ceiling height. The length of all three rsj's a… read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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