
Ardex Flex FS Tile Grout Flexible Standard Set All Colours
In stock
Description
Ardex Flex FS Tile Grout Flexible Standard Set All Colours
ARDEX-FLEX FS is formulated to blend to a uniform colour, ensuring a consistent, streak-free finish, and it is suitable for commercial and domestic locations including swimming pools, showers and kitchens.
- Consistent, streak free results
- Water repellent and dirt resistant
- Ideal for commercial and domestic environments such as swimming pools, showers and kitchens
- Suitable for joints up to 4mm wide
- Ideal for almost all tile types including non-moisture sensitive natural stone
- Suitable for wall and floor applications
- Suitable for internal and external areas, including swimming pools
- Suitable for use with underfloor heating
- Available in 35 different colours to suit any tiling installation, and colour samples are available to order through the Request Samples form below
- ARDEX ST Elastic Silicone Sealant is available in Transparent & 13 colours designed to match the most popular ARDEX-FLEX Flexible Tile Grout colours
Colours Available: 35 different colours
Unit Size Available: 10kg & 2.5kg
Grout Type: Cementitious, Wetrooms, Swimming Pools, Food Preperation Areas, Underfloor Heating, Wall and Floor, Internal, External
Grout Joint Size Up to 4mm Wide
Grout Drying Speed 5 Hours
Flexible Yes
Drying Speed Walkable in 5 hours
Joint Width 1-4mm wide
ARDEX-FLEX FS Flexible Tile Grout (Up to 4 mm Joints)
ARDEX-FLEX FS is a high-performance flexible cement-based grout engineered for narrow joints up to 4 mm. It delivers a consistent, streak-free finish with excellent water repellency and dirt resistance, making it ideal for walls and floors in both residential and commercial environments. Built for performance, it combines quality, colour consistency, and long-term durability.
Key Benefits
- Designed for narrow joints up to 4 mm, perfect for rectified tiles.
- Water repellent & dirt resistant — helps maintain a clean, long-lasting finish.
- Smooth, streak-free finish helps minimise grout haze and enhances aesthetic quality.
- Versatile tile compatibility — suitable for porcelain, ceramic, quarry, and glass blockwork.
Ideal For
- Internal & external wall tiling
- Floors with narrow grout lines
- Wet areas such as bathrooms & showers
- Underfloor heating systems
Best Practice Notes
- Mix to a smooth, workable paste with clean water only.
- Work in small areas for consistent colour and finish.
- Remove excess grout promptly to avoid haze.
Installation Overview
Spread the mixed grout at an angle using a grout float, completely filling joints and forcing grout tightly into corners. Clean tiles with damp sponges as you go and polish off remaining haze once the grout has firmed up. Follow pack instructions for water addition and cleaning stages to suit tile type and site temperature.
ARDEX-FLEX FS vs ARDEX-FLEX FL — Technical Comparison
Side-by-side grout comparison to help choose the right option for joint width and site speed.
FAQs
What joint width can ARDEX-FLEX FS grout? ⌄
Is it suitable for wet and high-moisture areas? ⌄
Can I use ARDEX-FLEX FS with underfloor heating? ⌄
What pack sizes and colours are offered? ⌄
Technical Info
| Type | Grout |
|---|---|
| Brand | Ardex |
| Area | Indoors | Outdoors |
Delivery & Returns
Delivery & Collection
UK Mainland & Scottish Highlands only
We do not deliver to Islands, Ireland or Northern Ireland
How is shipping calculated?
Shipping is based on your order weight and delivery location. Add items to your cart and enter your postcode to see the exact cost before checkout.
Some products supplied directly from our manufacturers (non-stocked brands) carry a separate delivery charge — this is shown clearly at checkout.
Free delivery on orders £450+ inc VAT
Tiles & tiling materials only · Free samples always ship free
Next working day delivery
Order before 12:00 pm · From £6.50 + VAT · APC Overnight or DPD · Under 50 kg
Not available weekends or bank holidays
No next-day to Scotland postcodes
AB · IV · KW · PA — please allow additional working days for these regions
Pallet delivery — orders over 50 kg
Semi, half or full pallet · Palletways or K & R Mason · Next working day
Kerbside delivery only — driver cannot bring goods onto the property
Supplier direct delivery (non-stocked products)
Some brands are shipped directly from the manufacturer and carry a separate delivery charge, shown at checkout.
Genesis (trims) — £19 + VAT · 1–3 days · cut-off 11:00 am
Marmox (mosaics, shower trays) — £15 + VAT · 1–3 days
Marmox (oversized backing boards) — £65 + VAT · 1–3 days
Schluter (trims) — £20 + VAT · 1–3 days
Bihui (trims) — £15 + VAT · 1–3 days
Free sample delivery
No minimum spend · Up to 4 free samples · Next working day
Free Click & Collect
Select Click & Collect at checkout to pick up your order from our Croydon warehouse. We'll send an email confirmation once it's ready — please wait for this before visiting.
Bring your order confirmation email or order number when collecting.
If someone is collecting on your behalf, they must have the order number and the name on the order.
Mon – Fri, 8:30 am – 4:30 pm. Closed weekends & bank holidays.
Tile Experience, 108 Beddington Lane, Croydon, London, CR0 4YY
Order tracking
Email or SMS sent by the carrier once your order is dispatched
Returns & Refunds
30-day return window
Returns accepted within 30 days of delivery. You also have a statutory 14-day cancellation right from the date of receipt.
Items must be unused & in original packaging
Returned goods must be uninstalled, unaltered and in the same condition as received.
Installed or cut items cannot be returned
Once tiles or materials have been cut, altered or installed, no return or refund is possible under any circumstances.
How to start a return
Contact us first at info@tileexperience.co.uk or call 0208 689 4187. Send the item back with your name and order number. Return shipping is the customer's responsibility.
Refund to original payment method
Processed within 3–5 working days of us receiving and approving your return.
Original delivery charges are not refunded. If no refund after 15 business days, contact us.
Damaged or incorrect items
Report within 48 hours of receipt. Email info@tileexperience.co.uk with your order number and photos of the damage. Confirmed replacements are sent next working day at no charge.
Non-stocked brands — restocking fee may apply
Returns for Genesis, Marmox and Bihui carry up to a 20% restocking fee. Schluter trims: 35% standard return, 15% if returning with a replacement order.
Cancellations
Cancel before dispatch for a full refund including delivery. Cancel after dispatch by rejecting the delivery — refund for goods only, not the delivery charge.
Delivery Information
Clear delivery options, lead times, and collection details.
Delivery Costs
Delivery charges are calculated based on the weight of your order and your delivery postcode. You can check the exact delivery cost in your basket or at checkout before placing your order.
Delivery Area
We currently deliver to UK Mainland and selected Highlands postcodes. Unfortunately, we do not deliver to the Islands, Ireland, or Northern Ireland.
Next Working Day Delivery
Orders placed before 12:00pm are eligible for next working day delivery, subject to stock availability. This excludes weekends and public holidays.
Prices start from £6.50 inc VAT, with the final cost based on your order weight and delivery location.
Genesis non-stock items: order by 11:00am for next working day dispatch eligibility.
Scotland Postcode Exceptions
Next working day delivery is not available for the following postcode areas: AB, IV, KW, and PA.
Economy Delivery (2–3 Working Days)
Economy delivery is available for orders over 50kg. There is no additional charge for this service.
Sample Orders
Sample orders are delivered free of charge via Royal Mail Tracked 24 or 48. Delivery usually takes 1–3 working days.
Delivery Methods
- Orders under 50kg: usually sent via DPD or APC Overnight.
- Orders over 50kg: usually delivered on a quarter, half, or full pallet via Palletways or Kandrmason.
- Pallet deliveries are kerbside only and are subject to access and vehicle restrictions.
Click & Collect
Order online and select Click & Collect at checkout for a quick and convenient collection option.
We will email you as soon as your order is ready for collection. Please wait for this confirmation before visiting.
- Bring your order confirmation email or order number when collecting.
- If someone is collecting on your behalf, they should have the order number and name on the order.
- Collection hours: Monday to Friday, 8:30am – 4:30pm.
For full details, please visit our Delivery Information page.
Returns Information
Important return conditions, timings, and trim-specific charges.
General Returns Policy
- Please inspect your order on arrival and contact us within 48 hours of receipt if any item is damaged, defective, or incorrect.
- We will replace items damaged in transit, provided the issue is reported within 30 days of delivery.
- We accept returns within 30 days of delivery, subject to the goods being returned in suitable condition.
- For non-fault returns, including change of mind, ordering the wrong item, or ordering too much, the customer is responsible for the return cost.
- Refunds are processed once the returned goods have been received and checked at our warehouse.
Returning Trims
Schlüter Trims (Non-Stock Special items)
- Returns are subject to a 35% restocking fee.
- If you are returning an item and ordering a replacement, a 15% restocking fee applies.
- Customers are responsible for arranging the return unless otherwise agreed.
- If we arrange collection, a £35 collection charge will apply.
Mapei Profilpas Trims (Non-Stock Special Items)
- Returns are subject to a 20% restocking fee.
- Items must be returned in re-saleable condition.
- The customer is responsible for returning the goods.
For full details, please visit our Return & Exchange page.


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