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📋 Product specifications are for reference only.
All product details should refer to the official manufacturer documents. For official product data sheets or technical enquiries, please contact us via WhatsApp.
At a Glance:
Weberset 303 is a polymer-modified tile adhesive from Weber (Saint-Gobain), rated C1TE. A single-component, water-resistant formula — just add water and mix. Suitable for interior and exterior wall and floor tiling with ceramic tiles, marble, and granite. Features anti-slip and extended open time properties for reliable everyday tiling work.
Product Overview
Weberset 303 is a single-component, cement-based tile adhesive with a polymer-modified formulation. Simply add water to mix — the product delivers high bond strength and excellent anti-slip performance with good workability. Suitable for installing ceramic tiles, marble, granite, porcelain tiles, and homogeneous tiles on both interior and exterior walls and floors. Available in grey and white, the product meets EN 12004, JC/T 547, and BS 5980 standards (per manufacturer).
Features
C1TE rated — meets EU, Chinese, and British standards (per manufacturer)
Anti-slip (T) — tiles stay in place on vertical surfaces during installation
Extended open time (E) — longer working time for precise tile positioning
Water-resistant formula — suitable for bathrooms, kitchens, and outdoor applications
Single-component, just add water — easy to use with consistent quality, works with standard tools
Can be used for tiling over Weber cementitious waterproofing products
For highly absorbent substrates (e.g. cement board, plasterboard), apply Weber moisture barrier primer first
Packaging
40 kg per bag
Colours: grey, white
Shelf life: 12 months in dry, unopened storage
Notes
For detailed application methods, coverage rates, and technical data, please refer to the official product data sheet
Ensure the substrate surface is clean and free of oil, dust, and other contaminants that may affect bond strength
This product contains cement — wear appropriate protective equipment during application
Cures under ambient temperature conditions
FAQ
What is the difference between Weberset 303 and 383?
303 is a C1TE-rated standard strength adhesive, suitable for regular-sized tiles and general applications. 383 is a C2TE-rated flexible adhesive with higher bond strength and flexibility, designed for large-format tiles, low-absorption tiles, and substrates subject to vibration or movement. Use 303 for standard tiling, and 383 for large tiles or challenging substrates.
Can it be used for large-format tiles?
303 is generally recommended for small to medium-sized tiles. For large-format floor tiles or slabs, consider using Weberset 383 or TF Eco Plus flexible tile adhesives, which provide superior bond strength and deformation resistance.
How much does it cost?
Please WhatsApp Wah Hing for the latest pricing. Available for pickup from our Mong Kok store or delivery across Hong Kong.
Not sure which tile adhesive to choose? These articles can help
C1 tile adhesive for standard ceramic tiles (≥0.5 MPa). C2 for porcelain, large format and outdoor tiles (≥1.0 MPa). Compare EN 12004 grades, common mistakes, and product recommendations.
C1 tile adhesive for standard ceramic tiles (≥0.5 MPa). C2 for porcelain, large format and outdoor tiles (≥1.0 MPa). Compare EN 12004 grades, common mistakes, and product recommendations.