Applied seamlessly using a hawk or trowel before finishing with a stipple roller, Saint Gobain’s Weberend Aid is a polymer-modified sand and cement stipple render. It is best used as a preparatory key coat prior to the application of render.
Weberend Aid features a bonding agent that can be added to clean water on site and resists external water penetration, improving weather resistance of rendering systems and making it the perfect pre-treatment for render that needs to withstand critical exposure conditions.
Features & Benefits: Saint Gobain Weberend Aid Key Coat for Rendering – 25kg
- Polymer-modified sand and cement stipple render
- Equalises suction on mixed backgrounds
- Resists external water penetration
- Enhances weather resistance
- Excellent suction control of both high and low suction substrates
- Applied easily by hawk or trowel before finishing with stipple roller
- Added only to clean water on site
As outlined in BS EN 13914-1:2016, this is a proprietary mix designed for use as an adhesive stipple pre-treatment. It is applied onto either smooth or unsuitable but sound surfaces, including sense concrete, blockwork, brickwork, masonry and clean, sound and well adhered existing render.
Please note:
- Please note, bulk returns are not accepted so it is advised to order a small sample order to ensure it meets your requirements.










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