render clean

[tench0771]

ive got a render clean to do got the go ahead today now the job has slate window leges and lead flashing on the front so i was guna use algo clear pro as if im rite in thinking slate will turn white using benzblackwash due to the sh ?  also do i still have to wet the lead before i start brushing it in? as i dont want it turning brown!!, ive got all my ppe sorted resperator cem gloves full water proofs with hood  !  jobs booked in for 6 weeks time when im in the area next looking forwould to geting stuck in happy days

 

[Paddy McNally]

Algo clear pro is ok on lead tench


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[tench0771]

thanks for the reply m8 ill upload pic before and after :5_thumbsup:

 

[tench0771]

Here is the before it's Krend with slate sills

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Do u think this will come up good using algoclear pro ?

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[Paddy McNally]

Spray and then brush it in with a soft brush and let Mother Nature do the rest, wet up all the plants b4 and after, any remaining stubborn growth can be cleaned with the MetaClear


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[Pjj]

We regularly use hypo on slate sills and slate hung on walls to very good effect no problems , it will however turn lead flashing yellow/brown though 

 

[Corps012588]

So hypo is safe on slate sills? If so then that will make a clean I've got soon a lot easier

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[tench0771]

if its to strong they will turn white m8 so ive hurd but a 3% mix will be fine, for roof work ide have thault a biocide would be best ?

 

[Pjj]

So hypo is safe on slate sills? If so then that will make a clean I've got soon a lot easier

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We regularly do slate hung properties and slate window sills never had a problem , with use 15% hypo and dilute it 5 parts water to 1 part hypo removes green algi and looks like new