DIY advice needed from builders


Fattums , Sunday, 8th of August 2010 08:54:14 AM

l removed stone cladding from the front of my house. It is taken a year to 
Fattums
get all the adhesive (mortar) off the brickwork but is *finally* reaching 
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the stage where l can think about painting it. Oh happy days!
Joined: Friday, 23rd of April 2010, 11:25:06
/>My question is:

Do l need to treat the brickwork before 
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painting it? I am aware that brick sealant (the type you can get in B&Q 
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for about £10) can prevent the wall from 'breathing' and expelling 
moisture. My only worry is that these bricks have been chiseled, 
angle-ground, hammered and scraped to oblivion so have no protective 
'glaze' left on them. Will exterior paint be enough to protect them from 
the weather or is it worth coating them in sealant too?

Many 
thanks
 
 
 
 
 

Shanabella , Monday, 9th of August 2010 07:24:12 AM

Most brick is not designed to be painted. Painting them would  
Shanabella
be a last resort. If the surface is friable (powdery or unstable) then  
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use a stabiliser which is a clear solution), if not then paint straight on  
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with a good quality exterior masonry paint. If ur bricks have been damaged  
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then you probably need to do something & one option to consider would be  
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rendering them prior to painting).  
 
(sealant, stabiliser, paint - all kill the breathability of the brick, but  
should also stop them getting wet in the first place - that is probably why  
it is not regarded as good practice - although I must admit I'd do anything  
to get rid of cladding too.  
 
 
 
 
 

my thug , Tuesday, 10th of August 2010 03:47:13 PM

I agree with the above answer. Use weathershield masonry  
my thug
paint. It dries very fast & is shower proof in 30mins (shower & not  
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downpour proof!!!) great to use this time of year.  
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Sandtex paint is also great, but I would want to know it was going to be  
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totally dry & reasonably sunny for a few days after painting, but once its  
on, its on!  
 
If you are worried about moisture penetrating the bricks give it a good  
coat of brick sealant or sandtex stabilizing solution. before you go with  
weathershield.  
 
 
 
 
 

panther , Wednesday, 11th of August 2010 12:52:05 AM

use a stabalising solution before painting to seal it or you  
panther
will use twice as much masonry paint.  
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if the weather is a bit iffy use a solvent based masonry as it will be  
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touch dry in about 20 mins but if you will have a good sunny day then  
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water based masonry is easier cleaner and just as hard wearing  
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Lulu Bird , Thursday, 12th of August 2010 01:51:50 AM

i would use masonry paint.  
Lulu Bird
 
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Punky , Friday, 13th of August 2010 10:39:53 AM

Dulux weathershield is good and should be watered down with  
Punky
first coat so it soaks in. You can apply with brush, or roller. You can  
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get trades weathershield at local dulux tradecenter you dont have to be in  
Joined: Saturday, 15th of May 2010, 19:43:41
the trade its thicker than the stuff they sell in B&Q.  
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