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WBS Bulletpoint   APPLICATION GUIDE

(ZF) SILICONE FINISH (EWI)
ONTO BLOCKWORK - EPS INSULATION

 
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For Refurbishment & New Build Applications
Stabilising solution may be applied if required to help improve adhesion and offer uniform suction.

Any ridges or protrusions should be removed and hollows filled to provide a smooth surface.





Attach base rails & surface profiles.


Apply recommended adhesive to first EPS insulation board using a grooved trowel. Apply firm distributed pressure & fix to base rail / substrate.


Continue with additional boards ensuring that a staggered laying pattern is adhered to.











Once the boards are firmly in place, carefully rasp the surface with a sanding tool to ensure a smooth uniform finish.








Secure boards with approved WBS mechanical fixings.






Apply a basecoat of recommended adhesive onto the insulation boards and bed in alkali resistant reinforcing mesh into the top third of the thickness, ensuring that an overlap of a minimum of 75mm is achieved.


Apply additional stress patches and corner reinforcements across all window and door openings at a 45° angle.






Apply WBS primer (colour to match final texture coat) in accordance with manufacturer’s instructions.


Thoroughly mix the WBS Silicone texture finish to a uniform consistency. Apply in a continuous motion always working to a wet edge.

 
 
 
 
 
 
 
 
 

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Provided strictly for guidance purposes only. For technical support please call 08458 382380.