Plastering Question

I want to re render my 3 external walls with just taking off the old loose render and going over the rest

some builders/plasterers have said it all needs to come off before re-rendering and others saying just take loose off and go over the rest,my pine end is worst ans some bricks in one corner towards apex have fallen out leaving inner layer,been told i can re block up off the solid window ledge up to apex where lose then re render all house,will this be a good option,please reply thanks

3 Answers

Best Answer

I would remove the lot,,,you don't know where its blown else where and all your window reveals and heads will be bigger which in turn will make it harder to change windows etc,,,also getting a good key is another thing which has to be considered,,,I normally remove the lot and then metal lath the building...especially if its constructed from thermalite (grey) or durox/toplite (white) blocks....

Answered 23rd Oct 2012

ABM plastering

Member since 21 Feb 2011

Also not bad idea is to remove blown render,make a levelled patches and fit 20mm polystyrene boards over,they will be fixed mechanically so whole system keep together,a final coat apply modern silicone just 3mm thick render.and doesn't need to be painted because there is choice from more than 300 colours.

Answered 19th Dec 2012


Member since 6 Jan 2010

You do not mention approx age of the house but I am assuming it is of brick and cavity construction ? Best to remove all existing render then paint with" Render grip "and scratch coat after having first repaired and replaced missing bricks ! Re render with 5:1 ratio sand and cement with waterproof additive used in accordance with manufacturers recommendations . Bucket gauge the mix to ensure consistent sand and cement ratio ! Hope this helps ?

Answered 1st Feb 2015

Set ' n ' Stone Construction

Member since 20 Jan 2015

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