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  1. M

    New render messy

    Hi folks - curious what anyone thinks would have caused this? It looked perfect when done a week ago, then some time between the seal being added and now, the render looks damaged in places. The seal itself looks fine in most places oddly so not sure if this is related? This wasn’t my work. It...
  2. M

    Waterproofer / plasticiser volume

    Hi, Getting ready to have my first sand/cement render attempt (DIY) - I’ve got so much useful info from you all but have one final stupid question I can’t seem to get an answer to. My waterproofer and plasticiser both state quantities based on the amount of cement used - eg per 25kg bag - is...
  3. M

    Rendering inside of planters?

    Hi - I planned to render 3” down the inside of my planters (angle bead up top, drip/stop at bottom) - below that, the DPM will begin. Ive been told by someone yest that you should never render both sides of a dense block, regardless of whether it’s only a few inches out of a 3 block high...
  4. M

    More weird paving slab stains

    Hi folks. Going a bit mad...I replaced a handful of paving slabs (pressed concrete mix of grey with a dash of yellow through them) as a fe seemed to have a dye leak. The foundation is type 1 and sand, which has been totally fine for me in all other cases. After a rainy night, all of the new...
  5. M

    Concrete block planters - mortar joints

    Hi folks, I’ve built and mostly filled planters but not yet rendered. There’s a DPM on the inside too. However....I noticed yest by accident that if water gets behind the DPM (I was messing with the hose), it fairly quickly makes its way out through the mortar joints. I didn’t use waterproofer...
  6. M

    Paving discolouration

    Hi all. I laid my patio last year, just a hardcore/sand base. A good handful of my slabs, which are grey with a slight blue to them and yellowy flashes, have some dark blue discolouration - looking back at when I laid them last year they were the same - I guess I shrugged it off as them needing...
  7. M

    Outdoor prep - cable for future

    Hello! First post, having already been digging around for rendering tips...but for now I have a different question I’m hoping you can help with. I was going to lay a couple of cables while I’m building my garden (eg, down the side of planters) so that when the time’s right and I get a sparky to...
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