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Leca 50L Bag (90-LECA)

National Flues offers the premium Leca 50L Bag, a superior chimney insulation solution designed to enhance your flue’s performance. This lightweight expanded clay aggregate product is ideal for improving heat retention, boosting flue draw and ensuring long-lasting durability. Perfect for both domestic heating upgrades and trade applications, our LECA solution is complemented by a range of optional accessories to further optimise your installation.
The price you pay today £35.99
Give us a call if you find it cheaper and we'll normally price match.

 

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At a Glance

    Lightweight & stable design
    Superior heat retention for improved draw
    Unique cellular structure for optimal insulation
    Completely insoluble and exceptionally durable
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Tuesday, July 1st. This is based on current delivery times for this product. Delivery for products not in our warehouses can be delayed because of third party carriers. If you need a stove, or other bulky product, to be delivered by a specific time in the next 7 days then please give us a call. We can sometimes reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.

Warranty & Returns +

All our products come with warranties and you can read in our blog about they types and terms and conditions for warranties. Mi-Flex flue liner, for example, comes with a lifetime guarantee. Give us a call if you want to know about a specific warranty. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.

Price Match Guarantee +

We will match any price, like-for-like, on a retail basis. Give us a call if you find it cheaper and want to buy from us.

We Won't Be Beaten On Price

At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:

  • Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
  • Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
  • Operational Efficiency: We have streamlined processes to reduce overhead.

Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.

Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).

“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.

Have Questions?
Phone: 01670 206999
Email: [email protected]

The Leca 50L Bag provides an outstanding solution for insulating your chimney flue. This lightweight and stable material features a unique cellular inner structure, which significantly enhances insulating qualities. Leca retains heat where it's most needed, improving the overall draw of the flue, thus ensuring an efficient and safe heating system.

Completely insoluble, Leca does not dissolve, making it the ideal choice for a long-lasting chimney insulation solution. Whether you are a retail customer looking to improve your home heating or a trade customer seeking reliable products, the Leca 50L Bag is a top-notch option.

SKU: 90-LECA

Technical Specifications
ProductLeca 50L Bag
Capacity50 Litres
MaterialLightweight Expanded Clay Aggregate (LECA)
ApplicationChimney flue insulation
Key FeaturesInsoluble, stable, superior heat retention, unique cellular structure
To install the Leca 50L Bag, first ensure the chimney flue is clean and free of debris. Pour or pack the LECA carefully around the flue to create an even insulating layer. Follow local building regulations and the manufacturer's guidelines for a safe installation. Optional accessories, such as flue liners or support brackets, are available to further optimise the installation and ensure long-term performance.

LECA stands for Lightweight Expanded Clay Aggregate. It is a versatile and efficient material used for insulating chimney flues and other construction purposes.

LECA provides excellent heat retention and stability for your chimney flue, improving draw and efficiency. Its insoluble nature ensures long-lasting performance without deterioration.

LECA’s unique cellular inner structure enhances insulating qualities, helping to retain heat and improve the draw of the flue, leading to a more efficient and safer heating system.

Yes, LECA is an eco-friendly option for flue insulation. It is made from natural clay, which is expanded and then becomes lightweight and highly insulating.

LECA is suitable for most chimney flues and is particularly effective in improving the performance and efficiency of wood-burning and multi-fuel stoves.

LECA is typically poured or packed around the flue inside the chimney stack. This ensures an even and effective insulating layer.

You can purchase the Leca 50L Bag directly from National Flues. We offer secure online payments for retail customers and trade accounts with competitive pricing and reliable delivery nationwide.

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