Sika FastFix® All Weather Ready-to-Use Paving Jointing Compound - 15kg

All-Weather Paving Jointing Compound for Patios, Paths & Pavements

Sika FastFix® All Weather is a ready-to-use, self-setting paving jointing compound designed for fast, simple pointing of paving joints in almost any weather conditions. Ideal for patios, footpaths, pavements and other external paved areas, it is suitable for joints over 5mm wide and 20mm deep.

Formulated with Active Resin Technology for advanced durability, it sets hard and will not wash out while still remaining highly water permeable to help prevent pooling on the patio. With no mixing required, it is quick to apply and can even be used in the rain, making it a practical option for landscaping and paving jobs where ease of use and reliable performance matter.

Key Features & Benefits

• Ready to use: No mixing required for fast, easy application.
• All-weather use: Can be applied even in the rain.
• For joints over 5mm wide and 20mm deep: Suitable for a range of paving joint sizes.
• Sets hard: Self-setting formula designed not to wash out.
• Highly water permeable: Helps reduce standing water and pooling.
• Robust finish: Designed not to shrink or crack.
• Weed control: Provides a natural barrier for weed growth.
• Reduced waste: Can be stored and reused once opened.

Typical Uses

• Flagstones
• Indian sandstone
• Stone setts
• Paving blocks
• Slabs
• Footpaths
• Patios
• Pavements
• Driveways with light vehicular traffic

Product Details

• Joint Size: Over 5mm wide and 20mm deep
• Packaging: 14kg (Deep Grey) and 15kg (Dark Buff, Stone, Flint and Charcoal) pails containing 2 bags
• Colours: Deep Grey, Dark Buff, Stone, Flint, Charcoal
• Shelf Life: 12 months in sealed unopened bags
• Storage: Store in cool, dry conditions

Application Notes

• Ensure joints are free from standing water, dirt, debris and weeds before application.
• Wet the entire paved area thoroughly before use, then allow standing water to drain.
• Once opened, use within 1 hour, or store immersed in water in the bucket for up to 1 month.
• Work the product fully into the joints with a soft broom or hand brush, then compact thoroughly with a pointing trowel.
• Initial set time is approximately 6–12 hours above +15°C in dry conditions.
• Allow up to 5 days for full set at temperatures between +4°C and +15°C.