What goes with this?
Accessories and essentials for this job — add what you need.
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OX Trade Notched Stainless Steel Trowels
Notched trowel for spreading adhesive — pick the notch size for your tile
£11.99inc. VAT
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Larsen Acrylic Pink Primer 1L & 5L, Ready-to-Use Tile Primer
Larsen’s own primer — check suitability for your substrate
From £11.99inc. VAT
Description
Larsen FiberFlex Standard Set+ (also written Fibreflex) is a fully flexible, S1-rated, non-slip, cement-based tile adhesive classified C2 TE S1, with an extended working life of 5 hours once mixed. It suits professional wall and floor tiling where there is no need to grout quickly, including large-format wall tiles and timber substrates. This listing is the grey version in a 20kg bag.
Key properties
- Classification: C2 TE S1 to BS EN 12004 (flexible, extended open time)
- Non-slip, for large-format wall tiles
- Suitable for glass mosaic, porcelain, natural stone and large-format tiles
- Recommended for demanding substrates including heated screeds, timber substrates and swimming pools
- Interior and exterior use
- Bed depth 3–12mm, up to 20mm in small isolated areas
- Colour: grey; pack size: 20kg bag
Coverage
Approximately 4–5 kg/m² at a 3mm bed (4–5 m² per 20kg bag). Mix 20kg of powder with approximately 4.5 litres of clean water.
Working and setting times
- Pot life: approximately 5 hours at 20°C
- Grout and light foot traffic after 18 hours
- Full traffic after 24 hours
This is the slowest-setting of the three FiberFlex Set+ speeds. Times are at 20°C and vary with site conditions.


