Rendering over pebbledash


Postby Ginga » Tue May 29, 2007 9:26 pm

Hi all , been plastering and damp proofing for 25 years but have come across a new problem , a client wants me to render over her painted pebbledashing , i normally would take off the dashing but it is very sound , do you think it would hold up with 2 coats of PVA and a PVA in the scratch coat enough for me to gaurentee it ? or does anyone know of a better adhesive or method

Many Thanks

Ginga
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Postby thedoctor » Fri Jun 01, 2007 10:08 am

We would go for SBR rather than PVA Ginga and get a thin scratch coat on while the 2nd coat of SBR was still tacky. Should stay put but obviously we are in no position to guarentee.
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Postby Ginga » Fri Jun 01, 2007 5:18 pm

Thanks Doc , you know one of them jobs where you can feel a problem coming on ! SBR it is then , problem is i cant say no :shock:

Ginga
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Postby dan63 » Thu Jul 26, 2007 1:48 pm

Hi,

Just joined the forum. looks great.

I have a similar issue to the one below. My house has old pebble dash with several coats of paint on it (The last one was Dulux) I want to smooth render the whole property (or have someone else do it), and want a perfect finish.

The answer below is useful, but is there a 'By the book method' that is 100% failsafe? Ideas that come to mind (Apart from hacking it all off) are to mesh the wall first to give a stable base, but I am guessing.

Lastly what would the correct mix be and what are the materials used.

Thanks

Dan
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Postby thedoctor » Sat Aug 18, 2007 7:16 am

No failsafe method other than to hack off Dan. See our mortar mixes project for the mix and materials.
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