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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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Retaining Wall...brick types
Hi,
I am currently trying to build couple of retaining walls. These walls are not going ro retain anything major..just so that they separate the paved area at the back from the lawn. I have already dug the trenches and have filled them with hardcore and then 6 inches of concrete. Now i am about to start on the walls which will be less than a metre tall. Sice this is in the back garden i want to keep the costs of my bricks to a minimum. I have been advised by the local builders merchants to use LBR Tudors. Is this type of brick ok or if anybody can recommend any other type. Do i need to put some blue engineering bricks also? Many Thanks. |
#2
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Retaining Wall...brick types
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#3
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Retaining Wall...brick types
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#4
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Retaining Wall...brick types
Andrew Gabriel wrote: LBC Tudors seem to be rated MN (Moderately frost resistant, normal soluble salt content). They won't last all that long if in contact with a bank of wet soil. A damp proof membrane behind the wall might help, but you need to work out how water behind the wall drains away, depending on the local soil drainage. My garden had LBC windsors with no enginnering bricks in the underground courses and no DPM or anything like that. Most was a bit green but I can't remember seeing any of it that was frost damaged - that's after 20 years. I'm near London though so the frosts aren't usually too bad. On a wall that I built I painted the back with bituminous paint to act as the DPC and so far so good. I put a few pipes though so that the soil could drain if it got very wet. |
#6
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Rule of thumb, max height to be retained is 4 times the width for a bog-standard brick/block wall without reinforcement. Being 1m high, the wall should really be 1.5 brick thick! |
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