Leca 50L Bag
At a Glance
- - Lightweight & stable design
- - Superior heat retention for improved draw
- - Unique cellular structure for optimal insulation
- - Completely insoluble and exceptionally durable

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]
- Info
- Specs
- Install
- FAQs
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 | |
---|---|
Product | Leca 50L Bag |
Capacity | 50 Litres |
Material | Lightweight Expanded Clay Aggregate (LECA) |
Application | Chimney flue insulation |
Key Features | Insoluble, stable, superior heat retention, unique cellular structure |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Thursday, April 3rd. If you need faster stove or fireplace delivery please give us a call. We can often 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. Mi-Flex offers a lifetime guarantee. 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. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
At National Flues, we are proud to offer the Leca 50L Bag, an exceptional product for both retail and trade customers. It’s our go-to choice for flue insulation, thanks to its stability and impressive heat retention qualities. With reliable nationwide delivery and competitive pricing, you can't go wrong with Leca.
LECA 50L Bag is designed to provide a lightweight, stable, and insulating surround for chimney flues. It improves draw and retains heat, ensuring an efficient and safer heating system.
National Flues is a leading supplier of fireplaces and flues across the UK, catering to both retail and trade customers. Our products are rarely beaten on price, and we pride ourselves on reliable delivery and exceptional customer service.
