This could be done with a broom and hose but for best results he advocates the use of a high pressure water blaster which provides maximum penetration of spots that are hard to access.
Painting a roof with a broom.
It is essential that new roofs are washed down before priming.
Pour the paint at the apex and brush work it down the roof with the broom.
The old timers did it.
You can use a broom and hose but you will need some type of chemical to help remove the mould from within the pores of the surface.
If you want to paint a roof use a doft bristle indoor broom.
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Painting a roof can be a difficult job that takes a long time so you should consider hiring professional painters to do the work.
When possible paint from a ladder rather than climbing atop the roof.
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A few hours and i did my place yesterday.
Painting roofs painting roofs 2 resene roof wash and paint cleaner see data sheet d88 roof wash and paint cleaner is specifically developed to remove the form oils and other surface contaminants from new roofs.
Using a paint grid inside a 5 gallon bucket proved to be the most efficient way to reload he roller when painting the roof.
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I found that a 5 gallon plastic bucket with a roll screen inside of it worked beautifully as a roller pan.
Far easier than a roller or paint brush.
This is where high pressure is good it does get into all those nooks and crannies.
Toni stella national training manager of the sapma says the first step in painting a corrugated ibr iron roof or any roof for that matter should be to thoroughly clean the roof.
If you re up for the challenge.
In conversation a friend advised me that her dad had always used a floor broom to paint the roof so that day as i found myself in bunnings i got hold of an interior floor broom with bristles not unlike that of a paintbrush for a mere 6 95 unlike roof roller which was 24 95.
A large soft bristled broom is ideal.