How to: Apply Weber One-coat Weberpral Monocouche Render

In this video Roger and Duncan get stuck into Weber’s one-coat, through-coloured, water resistant weberpral monocouche render and find that it’s not quite as difficult as they expected.

weberpral M is a one coat, ready mixed, cementitious, weather resistant, external decorative, through coloured render, suitable for most types of brick or blockwork.

Factory produced from carefully selected raw materials for consistency of product, it only requires the addition of water on site.

The through colour and one coat features allow fast application with shorter programme periods, thereby reducing associated scaffolding and site costs and permitting the completion of ground works at an earlier stage. weberpral M has been awarded an A+ Green Guide Rating as defined in the BRE Global 2008 Green Guide to specification.

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About Roger Bisby

Roger Bisby
Roger Bisby is an English television presenter and journalist, known for his expertise in the British building industry.


  1. Hi Roger, watched your video and went for it.. Done an extension in blockwork and used one coat render for the finish, it went well so thanks for that. I’ve got a job coming next week and the customer wants his brick wall rendered with one coat. A couple of plasters I know said I should use an undercoat on brickwork but on your video you said to go startight on top of brickwork. So I’m just wondering if it will be ok to do that as I didn’t allow for an undercoat when quoting but obviously I don’t want it to crack or have any other issues if I just go straight on top of the brickwork with one coat. Thanks in advance. Stuart

    • Roger Bisby

      Hello Stuart
      The product is made to go onto brick as well as blockwork. On the training course, they said that brickwork will pull in the first coat on the mortar lines so put a coat on and let it suck in a bit then load up a bit more to flatten it. It is still one coat but loaded up a bit.
      If there is any chance of movement or poor adhesion then a coat of Renderaid and some fibreglass mesh pushed into that will overcome any tendency to crack.

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