Removing surface debris from bricks

Question

What can I do about bricks that contain surface debris? I’m talking about debris like moss, mould and dirt. Is this to be expected or should I look after this and clean it/remove the debris? If so, how can I go about this?  Thanks.

David · Answer

Just a simple jet wash should suffice then apply a mould treatment spray

Neil · Answer

Scrape of what you can then use hot soapy water and stiff brush. You can also use a weak mix of brick acid.

Philip · Answer

Generally you can use a very strong brickwork acid combined with a power washer, please follow health and safety equipment measures before work is commenced

Ciprian · Answer

Hi 
You need power jet wash 
That will do the work

Brian · Answer

There are many chemicals for removing moss and other debris look online and you will find what you need

Dale · Answer

Use a power jet wash also get some bacterial wash to prevent it growing back

Tamoor · Answer

What you can try is. Spray the wall with water and give a good brushing.
Other than this I personally wouldn’t do anything else.

Carl · Answer

This should scrape off with no problems and then a light jet wash, being careful not to blow out the mortar between the joints.

Martin · Answer

Scrape brick first check the bricks have not perished or cracked. Use brick cleaner water well apply well. Let set 3_5 mint rub with brick or stone rinse well with water let dry 1 hour inspect.

Cezary · Answer

Hi.
All the things guys wrote earlier are true. Anyway, there's always something else.
Way of fixing a problem, always depends on reason. 
Using a brush only for a wet moss, will make a marks at bricks surface and will not give You expected effect. 
Using a pressure without physically removing is the fastest way to collect a moss and all the rest from everywhere around, including neighbours. Steel brush - two moves and it's to be dirty as the things You tried to remove. Chemistry is ok, of course, but will fall down making marks, so You will have to use a pressure anyway.
So, finally, You're to use all the things they wrote, but in correct order, to get a visual effect You want.
Regards.

Removing surface debris from bricks

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