This BOSTIK J-175 JOINT FLEX grouting mortar is essential for your joints. With it, you can create joints from 3 to 20 mm wide between tiles or natural stone. This multi-surface product can be used by individuals and professionals alike, particularly for floors and walls in stores, hotels, hospitals, lobbies, corridors, etc. Advantages : Water-repellent with "perl effect" technology Multi-surface product: interior and exterior floors and walls (new or renovation) Suitable for grouting pressed stoneware, drawn stoneware, terracotta and natural stone (stain test recommended) Easy to use Excellent finish Suitable for joints up to 20 mm indoors and outdoors Features : Composition: grouting powder, graphite Bulk density: 1.5 +- 0.1 Application temperature: + 5C to + 30C away from sun, weather and frost. Pot life*: 2 h Time to return to pedestrian traffic: 3 to 4 h Complete hardening time: 12 h Time to open to traffic: approx. 24 h Color : anthracite Weight: 5 kg Ref. 30604248 Packaging: One BOSTIK J-175 JOINT FLEX pointing mortar - anthracite - 5kgDelivered in original packaging.