Painting Exterior Wall... Advice Needed

27 Sep 2011
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United Kingdom
I would like to paint my exterior wall as the original paint is cracking and the wall has algae and moss.

I have purchased some masonry paint but I am unsure of the steps I need to take in order to 'prep' the wall for painting.

I am new to all of this stuff so any advice is appreciated.

Pics of the wall are provided below

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Clean off walls with pressure jet system (Karcher) if the algae is bad use a fungicide solution, when dry fill any cracks, apply two coats of Masonry Paint,

Dont forget to put down Polythene sheeting or tarpaulin on any paths to stop paint splashes.
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Thanks for the help guys...

Having used up my budget I have had to make do with a hose and a solution of bleachy water as opposed to a pressure washer and fungacide solution.

Having scrubbed the walls with the bleach, alot of the algae still remains.

Question... should I leave the solution for a period of time or should I rinse it right off?

Do I not need to prime the wall?

Is it essential to paint on a smooth surface by filling cracks/chips in paint? (again budget)

The hose/scrub down did not remove all of the peeling paint. Is it imperative i get it all off before applying paint?

Apologies for all the questions but I am new to all of this.

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