Larsen SLC1550 Rapid Set Pro Single Part Flexible Fibre Self Levelling Compound 20kg

Larsen SLC1550 Rapid Set Pro — 20kg Self-Levelling Compound

Larsen SLC1550 is a single-part, rapid-set, fibre-reinforced self-levelling compound ideal for fast-track flooring projects. This professional-grade leveller prepares floors from 3mm to 50mm depth before tiling or laying LVT and laminate. Trusted by installers across Coventry and the UK.

Why Installers Choose This Product

• Single-part formula - just add water
• Fast-drying: light foot traffic after 2-4 hours
• Fibre-reinforced for extra strength
• 3-50mm application depth in one pour
• Protein-free formulation
• BS EN 13813 CT-C25-F7 certified
• Compatible with underfloor heating

How Many Bags Do You Need?

Use our self-levelling compound calculator: enter your floor area and average depth and it works out the number of 20kg bags of SLC1550, including 10% for wastage.

Buying 10 or More Bags? Order a Pallet

For bigger jobs it's easier and safer to order by the pallet — delivered kerbside by tail-lift, shrink-wrapped and off-loaded for you:

• 24-Bag Half Pallet — ideal for mid-sized projects
• 48-Bag Full Pallet — best value for large or multi-room jobs

Compare both options on our Larsen SLC1550 pallet deals page.

Delivery & Stock

Individual bags typically delivered within 2-3 working days from Ark Tiles Coventry showroom stock. Free UK delivery on orders over £499. Collection from our Coventry showroom (Unit B2, Stag Industrial Estate, Endemere Road, CV6 5PY) is available by arrangement. Call ahead to check stock. Ordering SLC1550 every month? Send us a trade enquiry for a named contact on regular pallet orders.

Drying Time, Coverage & How to Use It

Read our Larsen SLC1550 drying time & coverage guide, or compare levellers in the best self-levelling compounds in the UK and the best self-levelling compound for wooden floors.

Complete the Job

Pair SLC1550 with a Larsen primer for correct adhesion, and browse our Floor Levelling & Preparation range for adhesives, screeds and two-part levellers.

About Larsen Building Products

Larsen Building Products is a trusted manufacturer of professional tile adhesives, grouts, and floor preparation products. All Larsen products available at Ark Tiles are backed by technical support and product warranties. Contact our Coventry showroom team for expert advice on product selection.