LIME PLASTER NOT ADHERING?

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Ben Shugar

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Hi there

I’ve been in construction trade for 21 years & plastering for the majority of it. I’ve used lime products on a listed building as advised. I’ve lime rendered a wall, I’ve left it for a week to dry, then used lime skim & adhered & dried well.

The customer decided they wanted another wall plastered which was lathe & plaster (lime products all ready the existing wall consisted of). The lime supplier sold me a stabiliser, (something similar to plasterers stabiliser AKA as green grit. I left it to adhere, dried out thoroughly. Plastered the wall using lime skim, not the best finish, it will be suffice given the character of the property. Anyone else had this problem? I know lime takes a lot longer to dry & you can activate it again the next day, in general it’s not efficient. Also, are you able to sand lime skim once dried throughly?
 
Ben Shugar said:
Hi there

I’ve been in construction trade for 21 years & plastering for the majority of it. I’ve used lime products on a listed building as advised. I’ve lime rendered a wall, I’ve left it for a week to dry, then used lime skim & adhered & dried well.

The customer decided they wanted another wall plastered which was lathe & plaster (lime products all ready the existing wall consisted of). The lime supplier sold me a stabiliser, (something similar to plasterers stabiliser AKA as green grit. I left it to adhere, dried out thoroughly. Plastered the wall using lime skim, not the best finish, it will be suffice given the character of the property. Anyone else had this problem? I know lime takes a lot longer to dry & you can activate it again the next day, in general it’s not efficient. Also, are you able to sand lime skim once dried throughly?
Click to expand...


Any views or opinions on my question?
 
When you say lime not adhering is this over a PVA/grit type product....
It does quite often go into a second day drying wise..


No you can't sand it ...
 
martinemj said:
When you say lime not adhering is this over a PVA/grit type product....
It does quite often go into a second day drying wise..


No you can't sand it ...
Click to expand...
martinemj said:
When you say lime not adhering is this over a PVA/grit type product....
It does quite often go into a second day drying wise..


No you can't sand it ...
Click to expand...

The product I was sold is called AURO Grip coat. It’s white, was advised to apply it, let it adhere for 8 hours minimum which I did. Put 2 gauging trowels of NHL lime in the 1st coat of lime skim & 1 in the 2nd. Applied the lime skim in 2 separate coats, on the 2nd coat I applied I’d say about 1 o’clock. Went over it with a trowel took the thickest lines out of it. Came back at 5 o’clock, hardly any difference. Not an efficient product for myself. I went back the next day, it’s ok, the property has a lot of character already.

Correct me if I’m wrong, I think it wouldn’t been better to use UNIBOND mixed with sand & obviously water mixed with it.

The finish will be ok, I will have to return to the job once it’s dry & make any finishes touches that are necessary.
 
Ben Shugar said:
The product I was sold is called AURO Grip coat. It’s white, was advised to apply it, let it adhere for 8 hours minimum which I did. Put 2 gauging trowels of NHL lime in the 1st coat of lime skim & 1 in the 2nd. Applied the lime skim in 2 separate coats, on the 2nd coat I applied I’d say about 1 o’clock. Went over it with a trowel took the thickest lines out of it. Came back at 5 o’clock, hardly any difference. Not an efficient product for myself. I went back the next day, it’s ok, the property has a lot of character already.

Correct me if I’m wrong, I think it wouldn’t been better to use UNIBOND mixed with sand & obviously water mixed with it.

The finish will be ok, I will have to return to the job once it’s dry & make any finishes touches that are necessary.
Click to expand...
your making out its not stuck but yet you say it will do im lost
 
How thick did you apply it.....

Using a grit product will increase the drying time but we dry to apply finish first thing in the morning so we have all day for it to start pulling in.
 
The Hobo said:
your making out its not stuck but yet you say it will do im lost
Click to expand...
The Auro grip has adhered, like green or blue grit. It was applied by 1 o’clock in the afternoon, the majority it was all but hard by 8pm, suffice for the character of the property, in some areas it hadn’t. I’ve been back there this afternoon & I managed to finish it. The walls that had lime render applied, finished in efficient time.

The principle of my question is, has anybody use used this auro grip?
 
F1BF03FB-7355-4B07-9DDC-28D629EB6807.jpeg
 
This is what I was sold & advised to use by the supplier & given instructions how to use.

The job is all but finished now & under control, like I said I’m just curious if anyone else has used this product, that’s all. Thanks for your views
 
Ben Shugar said:
The Auro grip has adhered, like green or blue grit. It was applied by 1 o’clock in the afternoon, the majority it was all but hard by 8pm, suffice for the character of the property, in some areas it hadn’t. I’ve been back there this afternoon & I managed to finish it. The walls that had lime render applied, finished in efficient time.

The principle of my question is, has anybody use used this auro grip?
Click to expand...
never used it im traditional old school for me sand lime plenty hair in it to bind it together
 
Ben Shugar said:
The Auro grip has adhered, like green or blue grit. It was applied by 1 o’clock in the afternoon, the majority it was all but hard by 8pm, suffice for the character of the property, in some areas it hadn’t. I’ve been back there this afternoon & I managed to finish it. The walls that had lime render applied, finished in efficient time.

The principle of my question is, has anybody use used this auro grip?
Click to expand...
You’ve killed the suction, bad move , you need suction on lime to get a finish
 
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Ben Shugar said:
Hi there

I’ve been in construction trade for 21 years & plastering for the majority of it. I’ve used lime products on a listed building as advised. I’ve lime rendered a wall, I’ve left it for a week to dry, then used lime skim & adhered & dried well.

The customer decided they wanted another wall plastered which was lathe & plaster (lime products all ready the existing wall consisted of). The lime supplier sold me a stabiliser, (something similar to plasterers stabiliser AKA as green grit. I left it to adhere, dried out thoroughly. Plastered the wall using lime skim, not the best finish, it will be suffice given the character of the property. Anyone else had this problem? I know lime takes a lot longer to dry & you can activate it again the next day, in general it’s not efficient. Also, are you able to sand lime skim once dried throughly?
Click to expand...

lime products all ready and existing wall consisted of....


so its already been plastered ??
 
Ben Shugar said:
Hi there

I’ve been in construction trade for 21 years & plastering for the majority of it. I’ve used lime products on a listed building as advised. I’ve lime rendered a wall, I’ve left it for a week to dry, then used lime skim & adhered & dried well.

The customer decided they wanted another wall plastered which was lathe & plaster (lime products all ready the existing wall consisted of). The lime supplier sold me a stabiliser, (something similar to plasterers stabiliser AKA as green grit. I left it to adhere, dried out thoroughly. Plastered the wall using lime skim, not the best finish, it will be suffice given the character of the property. Anyone else had this problem? I know lime takes a lot longer to dry & you can activate it again the next day, in general it’s not efficient. Also, are you able to sand lime skim once dried throughly?
Click to expand...
Re read this , I had same problem on a job in Kensington last year. Go over it in the lime sand finish , let it dry , then go over in what the supplier called it’s ‘heritage ‘lime finish , this was more smoother , near enough a lime putty
 
Ben Shugar said:
This is what I was sold & advised to use by the supplier & given instructions how to use.

The job is all but finished now & under control, like I said I’m just curious if anyone else has used this product, that’s all. Thanks for your views
Click to expand...
Never used the stuff I’m same as Stormin or @The Hobo as you may recognise him float out with lime putty and sharp with hair over lath and top off with lime putty and playpit sand
 
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