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    Continuing cavity into porch?

    Is it the done thing to continue a cavity into adjoining walls? The main extension has a porch and originally I was just going to build the house wall then 'attach' the porch with wall starters or brick bond to the porch walls and have two separate cavities. But now I'm wondering if I should...
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    Trench blocks-misalligned notches

    First time laying trench blocks. I've set them out dry and the larger 355's don't align properly. So I can't get a straight line along the face. Some of the male bits just won't go into the female bits (oo er!) is this normal or have i got a dud batch? I could cut the interlocks off i suppose...
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    Gable insulation

    Should a gable end wall - full fill insulated cavity -be insulated with a air gap behind the insulation? If so why?
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    Ideal loft cable routing

    I've looked on the search and around the web but can't get much of a conclusive answer. When installing a ring final in a loft is there an ideal/best route for the cable run? should it be all under the floor and rise to each socket? Run round the rear side of the dwarf walls in a literal ring...
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    Wall starters, education needed please.

    hi all, I'm about to fill a cavity that's formed between a building and an extension. I've chased out all the mortar and the starters are bent all over the place The wall starters that are there have been screwed to the original building in only two places per strip and the leaves only go into...
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    multifoil with non foil faced boards?

    I'm kinda stumped on this one, I've got an opportunity to buy a lot of non foil faced insulation at a very good price. As I understand it the foil helps with the radiation side of heat loss, acts as a vcl when taped and so is somewhat beneficial. Would a multifoil (yes, yes I know..hiss boo...
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    Purlin repair- supporting wall damage

    hi all, In preparation for a loft conversion I've found that the walls supporting the purlin mid span are no longer sound. The purlin has moved downward slightly (almost as if the roof has spread and sagged) and cracked the pillar wall that supports it, pushed bricks out of place etc. I'm...
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