ROFF EXTROFIX ULTRA T21 (Grey) (B)

Description:
K2 Extrofix Ultra T21 (Grey) is a high-strength, polymer-modified, flexible tile adhesive designed for fixing vitrified tiles, natural stones, and large-format slabs on both interior and exterior surfaces. Its superior bonding performance, deformability, and weather resistance make it ideal for façade and heavy-duty applications.

Key Features:

• High flexibility (S1) to absorb structural and thermal movement.
• Excellent bond strength for vitrified tiles and natural stones.
• High initial grab prevents tile slip on vertical surfaces.
• Extended open time for large-area installations.
• Resistant to water, heat, and weathering.
• Conforms to IS 15477 : 2019 (Type IV T) and ISO 13007 C2TES1 standards.

Technical Details:

• Type: Grey, polymer-modified cementitious adhesive
• Classification: C2TES1 (Improved, deformable, slip-resistant, extended open time)
• Mixing Ratio: 1 part powder : 0.26 parts water (approx.)
• Open Time: ≥ 30 minutes
• Flexibility: S1 (Deformable adhesive)
• Coverage: 4.0 – 5.0 m² per 20 kg bag (at 3 mm thickness)
• Shelf Life: 12 months (in sealed, dry conditions)

Applications:

• Suitable for vitrified tiles, porcelain, and natural stones.
• Ideal for large-format slabs on floors, walls, and façades.
• Perfect for exterior cladding, terraces, and high-stress areas.
• Can be applied on cement screeds, plaster, concrete, and old tiles.
• Suitable for both interior and exterior use.