how much to clean render on a house?

Question

the render on the front of our house has gone green and grimy down one side. don't want to repaint if a clean would sort it, whats a rough price to have it done professionally?

Tom · Answer

I'm unaware of a proper cleaning service for render, this may be because it's a big risk for the cleaner as render is very expensive to fix if accidentally damaged. However you want to look at what caused it to go green in the first place. Could be any of these 
.no much overhang on the roof
.old (wear n tear over a long period)
. Render is too low to the floor 
. Incorrect beading at the bottom of the wall(only holds water and doesn't allow it to drip away) the correct bead is known as a belcast bead. 
.house is on a main road and vehicles spray up water and dirt. 
I wouldn't have my own house rendered in a light colour on a main road.

I hope this helps

Shane · Answer

It will Roughly cost from  300 to 600... to professionally wash the render

Michael · Answer

Get some render cleaner, and power wash it and it will cost you nothing, thanks.

Tanya · Answer

Depending on this size and condition it can range from £160 - £350

Nick · Answer

Go over it with the hose and a try a small area with a stiff brush , with some washing up liquid in a bucket , see how it gos , just be careful using a jet wash it could do more damage than good if the render is old ,  now depending on how bad it is , most Masonary paints have an antifungal in  them  now anyway so once you paint over it it seals it so it will kill the small stuff  and stop air getting  in which will stop it growing , , just be careful with a jet wash it can blast the render right off ,,   Try a small patch at the bottom with a jet wash then if you do have to patch it , it won’t stick out  to much when  you patch it , just take your time  it’s going to be cheaper than a re render , that’s for sure , Good luck with it

how much to clean render on a house?

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