Tc render straight over sand & cement ?

S

Stanbra

Member
Heard you can apply primer then go straight over normal sand and cement render but just don't get the guarantee you would get from using the correct base coat. I was told you could go over painted surfaces with tc render awel.
 
ive chucked tc over old sand cement plenty of.times.... primer and coat.

but with painted surface i put a tight coat of base over it 1st
 
In my early days when people wouldn’t pay for the modern base coats I did loads of sand and cement with Jub primer and silicone.

Still there today. But you will need more primer than usual.
 
Stanbra said:
Heard you can apply primer then go straight over normal sand and cement render but just don't get the guarantee you would get from using the correct base coat. I was told you could go over painted surfaces with tc render awel.
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What t.c . render , top cat
 
Did a few hundred metres over paint about 6-7 years ago, right next to the sea and gets battered . Still looks sound. If we do go over paint we use a strong wire attachment on a 4" grinder. Gets rid of any loose paint.
 
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