Straight edge over scratch coat?

[Cornelius]

standard two coat sand cement render today and the blockwork was woeful so me and mate decided to get the Darby over the scratch to make life easier when topping, mate suggested we could always rule off the scratch in the future which I agreed it wouldn’t be a bad idea, anyone else rule off the scratch coat or are we just talking b*ll***s?

 

[theclemo]

standard two coat sand cement render today and the blockwork was woeful so me and mate decided to get the Darby over the scratch to make life easier when topping, mate suggested we could always rule off the scratch in the future which I agreed it wouldn’t be a bad idea, anyone else rule off the scratch coat or are we just talking b*ll***s?

 

[theclemo]

I do it sometmes

 

[Vincey]

I would

 

[johniosaif]

Always , pointless ,otherwise
It's prep , good to have it straight and level

 

[Cornelius]

I would

Talk b*ll***s or rule off your scratch?

 

[Cornelius]

 

[theclemo]

In the picture above the site mix was sprayed. Am a lazy c**t lol

 

[vfr12]

Always , I mean always

 

[vfr12]

If he doesn’t like it, means he hasn’t managed the suction

 

[Rossi46]

Again! This

https://www.plasterers1stopshop.co....versal-serrated-derby-amp-straight-edge-p-538

Get it bang on the run it horizontal for your scratch.

 

[Rossi46]

View attachment 20190

Do that again at the edge of the window
Joking, flat as flat can be that

 

[Cornelius]

Again! This

https://www.plasterers1stopshop.co....versal-serrated-derby-amp-straight-edge-p-538

Get it bang on the run it horizontal for your scratch.

You love that thing! One question why has it got a walking stick attached to it?

 

[Cockney]

I always give the scratch a quick rule mate. For the time it takes (minutes) it definitely gives you a nicer time and more enjoyable when top coating. Couple of pals of mine joined me on a job once and see me do it, first they was taking the piss saying I was fussing and now they do it on every job and swear by it! Lol.

 

[Rossi46]

You love that thing! One question why has it got a walking stick attached to it?

It’s about control and leverage. You can put this thing in places you can’t with a rule or derby. If you had one go of it you’d buy one I’ve no doubt.

 

[rlcleary1]

In the picture above the site mix was sprayed. Am a lazy c**t lol

What machine do you spray site mix with mate?


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[Vincey]

Talk b*ll***s or rule off your scratch?

Ha ha , I scratch coat one section on this job I’m on now at the back , brick work similar to you say all over , tbh I thought it would also save time dry faster but didn’t make no difference to time , down sideway of house ended up doin 3 coats just to kinda of get it flattish

 

[theclemo]

What machine do you spray site mix with mate?


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The ritmo it was in the van so said I'll give it a go. That's 3 different sands I know I can spray now.

 

[Cornelius]

It’s about control and leverage. You can put this thing in places you can’t with a rule or derby. If you had one go of it you’d buy one I’ve no doubt.

Hmmmm I wonder what mm depth the serrated side is?

 

[Cornelius]

The ritmo it was in the van so said I'll give it a go. That's 3 different sands I know I can spray now.

Dumb question is site mix the stuff in the big silo cylinder things I see sometimes? I’ve never used it

 

[Dr.B]

I always rule off the scratch coay[emoji106]


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[Builderboi]

Dumb question is site mix the stuff in the big silo cylinder things I see sometimes? I’ve never used it

Lol that's silo (factory batched) he's mixed out himself (on site)

 

[theclemo]

Dumb question is site mix the stuff in the big silo cylinder things I see sometimes? I’ve never used it

No just normal sand and cement

 

[Cornelius]

No just normal sand and cement

Mixed in a standard belle mixer? And then put into your machine? Just can’t imagine it being suitable to spray? Please explain...

 

[Cornelius]

The machine mixes and sprays lol?

 

[theclemo]

Mixed in a standard belle mixer? And then put into your machine? Just can’t imagine it being suitable to spray? Please explain...

Yes

 

[theclemo]

It's just down to the sand if it will spray.

 

[algeeman]

Dumb question is site mix the stuff in the big silo cylinder things I see sometimes? I’ve never used it

its for brickes matey

 

[Cornelius]

It's just down to the sand if it will spray.

What sands work best? You put lime in aswell? Mind boggling.

 

[theclemo]

What sands work best? You put lime in aswell? Mind boggling.

Tbh u can't tell. or I cant on till u put it in to the machine and see if it works. Iv sprayed with lime and with out.

 

[zolco]

Tbh u can't tell. or I cant on till u put it in to the machine and see if it works. Iv sprayed with lime and with out.

Pure chancer

 

[Rigsby]

I always rule the scratch coat. Then a simple even second coat, no thin or thick areas or ripples.

 

[Nicm]

View attachment 20190

Bang on Keith.Still thinking about the reveals laths and long nails.

 

[john c]

Do you use waterproofer or freeflo or plas when putting site mix through the machine?

 

[theclemo]

Do you use waterproofer or freeflo or plas when putting site mix through the machine?

Any of them. It's down to the sand if it will pump.