Exterior weathershield masonary paint - best for weather?

theflyingpig · 15 Jan 2011

Hi all,

any tips as to the best weathershield masonary paint? the render takes a right battering from sun/wind/rain where it is . . . .

thanks

Huey

TheDec · 15 Jan 2011

Huey.

There is nothing wrong with Weathershield and indeed has proven itself time after time, yet for me it will always be Sandtex. As over the years I have found it to be superior to all others regarding exterior substrates of which are subject to extreme weather conditions.

Dec.

Lyngarth · 16 Jan 2011

Sandtex or Crown Stronghold Masonry paint, both very good and have been using both for many a year.

Lyngarth

wallcoatingsbloke · 27 Jan 2011

Hiya. I think if you have an exposed wall, it may be a good idea to get a specialist to look at it before you paint it, it may need some repair or extra protection from the weather. The paints the other people mentioned are ok i guess, but they do have limits and if the wall is that exposed, it may be a false economy to spend out on that if it only lasts a couple of years?????

opps · 10 Feb 2011

If you are happy to do it yourself then I would go for Dulux Weathershield- the trade stuff not the retail version.

You are looking at about £30/40's worth of paint for a 5m long, two story wall, obviously excluding your labour time- just over a day for 3 coats (depending on the level of prep required and ease of access).

That should last about 8 years. They claim up to 15 but it might look quite grubby by then. You may also change your mind about the colour before the 15 years is up.

Alternatively get one of those specialist firms in who spray a coating on.

You might get 15+ years at a cost of £6000 or so for the whole house.

Do the maths, calculate the oportunity cost of your own labour time and see which you prefer.

Paintmate · 12 Feb 2011

opps said:
You are looking at about £30/40's worth of paint for a 5m long, two story wall,

Is that roughly correct ... 5m long ?

opps · 13 Feb 2011

14-16m² per litre on smooth surfaces, thats up to 160m² for 10 litres. Lets say a terraced house is 5m tall- thats 25m², minus windows and doors and you are left with 17m².

3 coats equals 51m² so yes it is possible.

Of course if the surface is heavilly textured you will use more paint, and the same applies if the colour change is stark.

diynot

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Exterior weathershield masonary paint - best for weather?

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