Render/building paper

[Jgreenplastering]

Morning puta's.

What do you guys use when putting building paper/felt or what ever it's called when cladding timber for render.

I got a render a loft conversion for a builder I work for.
They do the prep but can you use roofing membrane or is that a special membrane specific for rendering?

 

[Rigsby]

I use breathable roofing felt.

 

[carlos]

Can you still get building paper?? I haven't seen any for ages

 

[Dansouthcoast84]

Its tyveck membrane used isnt it?

 

[Jgreenplastering]

Cheers lads. That's what I've always used...a breathable roof membrane but noticed the word building paper/felt going around.
They still want us to rib lath and s&c finish next one but I hate that and tell him there's no guarantee from me.
The last one with eml had hairline cracks but the paint helped fill it.

I've put the thin coat system ideals into him this morning which he seemed open to.
Existing finish below is tyrolean though.
Can you do this with the thin coat systems.
Parex have EHI which is there mono for timber frames but can you get anything to give a tyrolean finish?

 

[Jgreenplastering]

Does 38 quid including vat sound about right for 8x4 12mm render board?

 

[beddy]

Can you still get building paper?? I haven't seen any for ages

Buildbase in cov stock it by the pallet load. We used to use it to protect floors when i worked for the insurance firm

 

[Ivor]

J green . You could always use parex maite for the base coat over carrier board with mesh sponge finish and flick over using ehi, just a thought old pal

 

[Jgreenplastering]

Thanks @Ivor I did think that but don't know what it will flick like seeing as it's scratch render.
Love you long time

 

[Wezly]

Just flick

Thanks @Ivor I did think that but don't know what it will flick like seeing as it's scratch render.
Love you long time

Just flick maite over the maite base wet on wet.

 

[Dansouthcoast84]

Does 38 quid including vat sound about right for 8x4 12mm render board?

Yes mate

 

[Dansouthcoast84]

Cheers lads. That's what I've always used...a breathable roof membrane but noticed the word building paper/felt going around.
They still want us to rib lath and s&c finish next one but I hate that and tell him there's no guarantee from me.
The last one with eml had hairline cracks but the paint helped fill it.

I've put the thin coat system ideals into him this morning which he seemed open to.
Existing finish below is tyrolean though.
Can you do this with the thin coat systems.
Parex have EHI which is there mono for timber frames but can you get anything to give a tyrolean finish?

Ise a 2 or 3mm top coat. Or if you spray use a big nozzle

 

[User___removed]

As wezly the wizard said tyrolean over the base coat.i would go wet on wet though to make sure it bonds.

 

[FreeD]

OCR over stainless eml over breathable roofing felt. Did one recently no problems whatsoever, 15mm beads, pricking up coat first then top coat OCR, finish with silicone or Tyrolean OCR.

 

[Fatarm]

 

[Nisus]

OCR over stainless eml over breathable roofing felt. Did one recently no problems whatsoever, 15mm beads, pricking up coat first then top coat OCR, finish with silicone or Tyrolean OCR.

Was that this one Arron?

https://www.plasterersforum.com/threads/rendering-over-ply-timber-frame.59625/#post-866932

 

[DHDRYLINING]

Cheers lads. That's what I've always used...a breathable roof membrane but noticed the word building paper/felt going around.
They still want us to rib lath and s&c finish next one but I hate that and tell him there's no guarantee from me.
The last one with eml had hairline cracks but the paint helped fill it.

I've put the thin coat system ideals into him this morning which he seemed open to.
Existing finish below is tyrolean though.
Can you do this with the thin coat systems.
Parex have EHI which is there mono for timber frames but can you get anything to give a tyrolean finish?

I went back today to top off some render that was s&c over rib lath over tyveck over ply. There was a hair line crack down every rib in the scratch coat. I told the builder this would happen but they said crack on. I hope it doesn't come through the top coat but I'm not holding my breath

 

[User___removed]

It will for sure.i would put this in writing before you top coat it.
I don't do it any more.i have just started a large job approx 400m2.the spec was rib lath over a timber frame.i got them to change it to board and thin coat so am using the jub system.
Sand & cement will crack every time

 

[malc]

I went back today to top off some render that was s&c over rib lath over tyveck over ply. There was a hair line crack down every rib in the scratch coat. I told the builder this would happen but they said crack on. I hope it doesn't come through the top coat but I'm not holding my breath

when a metal lath wall heats up from the sunshine, the metal will expand and crack the render coat.

 

[User___removed]

when a metal lath wall heats up from the sunshine, the metal will expand and crack the render coat.

The timber frame will also move in the first 12 months of construction cracking the brittle s&c

 

[FreeD]

Yep I didn't get any cracking, but I was advised against it by Weber who said that the metal expands and contracts. My next job the render was only done a year ago onto eml and has cracked up we are hacking off and redoing will be interesting to see what the problem is.

Was that this one Arron?

https://www.plasterersforum.com/threads/rendering-over-ply-timber-frame.59625/#post-866932

 

[User___removed]

Yep I didn't get any cracking, but I was advised against it by Weber who said that the metal expands and contracts. My next job the render was only done a year ago onto eml and has cracked up we are hacking off and redoing will be interesting to see what the problem is.

How are going to re do it?
Sand & cement again?