Painting pebbledash

johnny_559 · 6 Oct 2005

I am planning on painting my house which is pebbledashed and pretty much need to know, how I go about it.

I had a few suggestions such as using long haired acryllic rollers or spray guns and using 2 coats but to be honest i dont know where to start as in
Do i need a primer/basecoat? etc

It has never been painted before and part of the building is 14 years old and the rest is more like 90 years old.

Any help or advice or things not to do would be much appreciated.

Thanking you in advance.
John

jbonding · 6 Oct 2005

take into account if you live near a busy road you might have to paint it every 12 months.

johnny_559 · 6 Oct 2005

fortunately not but thankyou i heard it was roughly every 2 years after the first time but i want to make sure that i get it spot on first time round if thats ever possible!!

Zampa · 6 Oct 2005

Painting a dashed exterior is not a job for the faint hearted..

Lets start by understanding what surface you have.....pebbledash as in small round stones..like pea shingle..or is it the spar dash type...rougher jagged edged stones?

johnny_559 · 7 Oct 2005

it is spar dashed type does this make a difference then?

I have got a fair amount of wall to cover therefore i was thinking of using a spray gun for the majority and then a roller/ paint brush around the woodwork. Would this be recommended?

Zampa · 7 Oct 2005

Good and bad news...the fact that its spar dahing means you can paint it without the risk of it flaking off...paint doesnt bond very well to pebbles or stones.

Spar is ok though..

bad news?......spraying isnt a good idea, a vacuum can form in the small crevices between the stone and prevent the paint from blowing in......it will go in eventually but by then the area will be flooded and you'l have to roll over it anyway.

So...I would reccommend using a rooler, the best one for spar are 'lifetimer' sleeves made by rodo..ten inch, they have a sponge layer in them and this makes for easier rolling.

Crown or Dulux trade centres normally stock them..johnstones/leyland do a lond pile one too, but I think its made by Mangers...which means its normally cr!p.

You can use water of oil based...thin the first coat out a litte, about 20% then will be absorbed into the surface better.

You may get away with two coats..depending on the colour and brand, but remember three thinner coats are better than two very thick ones.

For brands on water based masonry....my preference..in order..

Crown Stronghold
Sandtex trade
Johnstones
Mac Phersons
Leyland
Dulux

Oh one more thing....airless spray machines in the wrong hands are literally DEADLY!...if the paint penetrates the skin...which at 3,600 psi is a likely thing......you will have about 20 minutes to kiss goodbye to your loved ones!

DavidWed · 5 Jun 2007

Just reading the flow of conversation, it appears that it is possible to paint a wall with spa on it.

Can anyone let me know how they got on when they completed the task?
Particularly interested in the experience that the first person had who started the debate off had.

My wall has got Canterbury Spa on it and I am really not keen on it so advice on this would be much appreciated.

Zampa · 5 Jun 2007

Ive done a few jobs with Spar dashing..the paint takes to it fine, but the first coat will need thinning a bit. I have used both oil and water based paints without any problems.

Always a good diea to brush the wall down first though with a stiff brush to remove any of the loose stuff...that will help to stop yuo getting smothered with wet chips when they fly off the roller sleeve.

DavidWed · 6 Jun 2007

Zamba - many thanks for your reply. Would you consider the hard work worth the effort? As has been said, once it has been done, it can not be reversed.

Fortunately we live in a close with very little traffic. Hopefully the frequency of the painting will be kept to a minimum but how long do you think the paint will typically last?

Trying to avoid a less than perfect finish and also a perfect finish that needs constant attention.

Zampa · 6 Jun 2007

The paint should last a good 10-15 years...thats the gaurentee on most exterior masonry paints, however it will still get dirty over time and will need a bit of occasional up keep.

On average most outsides are re done every 5 years.

But you do need to consider that fact that once you have started the ball rolling you will ned to carry on doing it.

rob4beer · 24 Apr 2012

So just to clarify, you can roller pebbledash? someone told me to "stipple" it, this seemed to make sense but would take a long time.

If its the smooth pebble one not the sharper spa stuff, can it still be done and is it worth the effort?

Thanks in advance for the help folks!

Rob

HERTS P&D · 24 Apr 2012

ROB IT WAS PAINTED 5 YEARS AGO!

Andy

Zampa · 24 Apr 2012

Perhaps they need it doing again now?

joe-90 · 24 Apr 2012

Hey Zampa - while you are here - what do you think of blue lid Dulux?

Zampa · 24 Apr 2012

Very good...but dont put driers in it..it upsets the formulation...thats from Dulux itself.

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Painting pebbledash

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