New and exclusive for 2023, the ultra low profile Fastwarm® FastGrid decoupling matting is specially designed for use with 2mm Fastwarm® Cable. This innovative matting eliminates the need for thicker 4.3mm+ heating cables and reduces the amount of tile adhesive required, helping to keep floor heights lower and installation costs down.
The FastGrid system is the only decoupling mat on the market engineered specifically for 2mm heating cable, making installation faster, easier, and more affordable for both homeowners and professional installers. It’s the ideal solution for navigating awkward-shaped areas with minimal hassle.
Featuring a fleece-backed membrane, FastGrid protects floors prone to lateral movement and deflection, while its ultra low profile design minimises height impact and adhesive usage. It’s also perfectly suited for wet rooms such as bathrooms and ensuites, providing reliable decoupling in moisture-prone environments.
- Unique decoupling technology protects tiled floors and securely houses 2mm Cable.
- Quick installation designed to save time for both homeowners and installers.
- Ultra low profile reduces floor height impact and requires less adhesive.
- Modular installation allows heat to be applied only where needed.
- Thickness: 4mm
- Colour: Yellow
- Available sizes: 1m2 sheet and 15m x 1m roll.
- European compliant and CE marked for quality assurance.
- Designed for use with Fastwarm® Loose Cable systems.
- Fully approved by Ultra Tile Adhesive / Instarmac.
FastGrid takes the stress out of installing electric underfloor heating in tricky spaces and sensitive floors. Its clever design keeps your floors protected while making your heating install quicker and cleaner—turning a potentially complicated job into a straightforward, hassle-free experience.
- Clean floors of dust and debris, preparing subfloor with a suitable primer.
- Once primer has dried, use a trowel to create a bed of adhesive to bond down FastGrid Matting.
- Compress FastGrid Mat down to ensure a full bond is created, this also provided a flat gridded surface to lay Fastwarms 2mm loose cable
- Lay cable at desired spacings.
- Using a notch trowel use a full bed of adhesive to bond tiles down.
| Material | Polyethylene(PE)film top, Polypropylene (PP), Fleece Backing |
|---|---|
| Roll Size | 1m x 1m, 1m x 15m |
| Weight | 900g/sqm (+-50) |
| Overal Thickness | 3.8mm – 4.0mm |
| Film Thick | 0.35mm |
| Wire Cable Diameter | 2.0mm |
| Installation Temperature | 5°C to 40°C, but limited by tile adhesive specification |
| Storage Temperature | Max. 45°C |
| Melting | 160°C |
| Steam Resistance | 160m Equivalent air layer |
| Air Gap Volume | 2.4 litre/m2 |
| Filling Volume Of The Studs | 1.9 litre/m2 |
| Distance Of The Studs | 25mm Spacings 50mm@200w, 75mm@130w, 100mm@100w |
| Crack Bridging | 0.27mm |
| Tensile Strength | 65N/CM |
| Waterproof | Yes |
| Colour | Yellow |
Delivery Options
2-3 working day delivery
Next working day
Next working day before 10:30
Saturday Delivery
Delivery cut off times
Our daily cut-off time for dispatch is 4:30pm Monday–Thursday and 4:00pm on Fridays. Orders placed before the cut-off time will be dispatched for next working day delivery (if this option is selected). Orders placed after 4:00pm on Friday will be dispatched on Monday for Tuesday delivery.
Bank holidays may affect these delivery times, so please contact our team if unsure on 01268 744479
Other Delivery Options
PRE-10:30AM and Saturday Delivery services are available, but orders must be placed before the relevant cut-off times.
NOTE: All orders placed on a Friday will be delivered on the following Monday (unless its a bank holiday), unless a Saturday Delivery service is selected and paid for before the 4:00pm Friday cut-off.
Delivery outside the UK
Delivery outside mainland UK may be arranged by prior agreement. You will be advised of the delivery charge before dispatch, at which point you can decide whether you wish to proceed with your order.
Important: Our deliveries rely on third party couriers, so, whilst we make every effort to deliver your order on the specified date and time, unfortunately there may be occasions when this will not be possible due to external influences. Due to this we strongly recommend you ensure you have received your order before any tradespeople/builders are scheduled to commence work.
Still Unsure? Talk to an expert
If you need any guidance or further information our highly experienced team are on hand to help.
Get in touch using our contact form or give us a call on 0800 023 4203 or 01268 744 479.
