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  1. Jon La

    Chimney rebuild done last year: cement mortar issue?

    The mortar on the brickwork doesn't look as strong as the flaunching. The bricks look a strong semi-engineering type. The bricky is very unlikely to have followed your 3:1 suggestion. Cost him more in materials to do a worse job. Looks like a 4:1 or 5:1 mix to me. You can get it tested. I'd just...
  2. Jon La

    Chimney rebuild done last year: cement mortar issue?

    A 3:1 mix is only suitable for engineering bricks. The mortar will be stronger than the bricks. The bricks will be porous and accept moisture. The mortar will not. Therefore the bricks will fail before the mortar.
  3. Jon La

    Chimney rebuild done last year: cement mortar issue?

    Looks a poor job to me. The top course of bricks should house the pots. Here, they've clearly sat the pots on the top course of bricks and housed them with the flaunching. If they'd done work to that standard for me, they would not get paid. Needs re-doing.
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