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25-07-2007
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#1 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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|  Which Primer? | |
Hi, Am I correct in assuming that a primer such as Ardex P51/BAL APD is necessary for bonding to the substrate, when using cementitious adhesives and a PVA primer for ready mixed adhesive. Could someone explain the differance between BAL SBR & APD. Thanking You, Jeff
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25-07-2007
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#2 | | Ex Pro Tiler | Re: Which Primer? | |
APD is a modified acrylic polymer for priming surfaces for use with cement based adhesives and screeds.It isolates products that contain Calcium Sulphate,such as gypsum plaster , anhydrite screeds and cemet based adhesives minimising reaction between the two. BAL bond SBR however is waterbased polymer to use as an admix or bonding agent,mainly for use with pre mixed or tub adhesive.:wink_smile: |
[B]"[I][COLOR=darkgreen]The bitterness of poor quality remains long after the sweetness of low price is forgotten[/COLOR][/I]"[/B]
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25-07-2007
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#3 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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| Re: Which Primer? | |
Hi, Thanks Gaz, I assume that BAL Bond SBR is a PVA glue. I will use it in future on walls. Thanks Jeff. | | |
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25-07-2007
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#4 | | Ex Pro Tiler | Re: Which Primer? | |
[quote=Jeffrey4670;18566]Hi, Thanks Gaz, I assume that BAL Bond SBR is a PVA glue. I will use it in future on walls. Thanks Jeff.[/quote]PVA or Poly Vynil Acetate should never be used Jeff is totally water dispersal and does nowt,Bal bond SBR is not PVA its modified polymer and superb for walls tub gear only |
[B]"[I][COLOR=darkgreen]The bitterness of poor quality remains long after the sweetness of low price is forgotten[/COLOR][/I]"[/B]
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25-07-2007
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#5 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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| Re: Which Primer? | |
Hi Gaz, Thanks for the advice. In future when I lay ply overlay I will use BAL Bond SBR on the underside & edges to seal it ready for tiling. Thanks, Jeff
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Hi, I will use BAL Bond SBR on the underside & joints of the ply and use BAL Prime APD on the tiling surface of the ply, ready for BAL Rapidset Flexible adhesive. Thanks Jeff | |
Last edited by Jeffrey4670; 25-07-2007 at 06:37 PM.
Reason: Automerged last two posts from the same member. Happy tiling. :-)
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25-07-2007
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#7 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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| Re: Which Primer? | |
Hi dhceramics, Thanks for advice. I would guess that Ardex Ardion 51 Priming & Bonding Agent is similar to BAL APD. Used for priming plaster & Concrete for Cement based adhesives only. Regards, Jeff | | |
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25-07-2007
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#9 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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| Re: Which Primer? | |
Hi, Have just downloaded the BAL Product cat. They recommend priming plaster withBAL Bond SBR 1:4 or 1:1 BAL Primer APD. Ply is BAL Bond only. Jeff | |
Last edited by Jeffrey4670; 25-07-2007 at 07:51 PM.
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25-07-2007
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#11 | | Tilers Forums Arms Member
Join Date: Jun 2007 Location: West Yorkshire
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| Re: Which Primer? | |
Hi, I find Bal Grout supurb to use, but never used BAL adhesive. Always used Biscem. My supplier does not keep BAL stuff! I have to go top Topps Tiles in Leeds, which I find expensive not having an account with them. I buy BAL Grout from Topps only, as you know whare you stand with it! Jeff | | |
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