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Rockwool Tube - 1000mm long 150mm (90-RPS-150)

Discover National Flues' Rockwool Tube – a premium insulation solution for flue liners. Crafted from top-grade, non-combustible rock wool, this product offers exceptional chimney insulation designed to withstand extreme temperatures. Perfect for both residential and commercial applications, our Rockwool Tube ensures superior performance, durability, and long-term efficiency for your chimney system.
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£36.99
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At a Glance

  • Made from high-quality, non-combustible rock wool
  • 150mm diameter with robust 25mm insulation thickness
  • Withstands operating temperatures up to 500°C
  • Minimises condensation, mould, and bacterial growth
  • Versatile sizing to fit common chimney liner dimensions (125mm, 150mm, 200mm, and adaptable to 7 inch liners)

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 Rockwool Tube - 150mm x 1000mm is a top-of-the-line insulation solution for flue liners, perfect for enhancing the efficiency and durability of your chimney system. Manufactured from high-quality, non-combustible rock wool, these tubes ensure the utmost safety and performance. Rockwool Tubes effectively minimize the risk of condensation within the flue, especially crucial in large open chimneys or those exposed to severe weather conditions.Not only do these tubes maintain structural integrity by resisting vermin and discouraging the growth of fungi, mould, or bacteria, but they also boast an impressive operating temperature capacity of up to 500°C.

The 25mm (1 inch) thick insulation is available in three diameters to fit common chimney liner sizes: 140mm (for 125mm or 5 inch liners), 169mm (for 150mm or 6 inch liners), and 219mm (for 200mm or 8 inch liners), with the flexibility to trim for a 175mm (7 inch) liner.For optimal installation, secure the Rockwool Tube to each 1m section of flue liner using self-adhesive foil tape, ideally reinforced with 50mm wide aluminium tape. This product is not suitable for Class 2 flexible liners (gas and oil liners). Trust National Flues to provide reliable, nationwide delivery and exceptional customer service in both retail and trade sectors.

SKU: 90-RPS-150

Technical Specifications
Length1000mm
Diameter150mm
Insulation Thickness25mm
Operating TemperatureUp to 500u00b0C
Compatible Liner Sizes140mm (for 125mm liners), 169mm (for 150mm liners), 219mm (for 200mm liners; trim to 175mm for 7 inch liners)
Ensure optimal installation by securing each 1m section of the Rockwool Tube with high-quality self-adhesive foil tape, reinforced with 50mm wide aluminium tape. Please note that this product is not suitable for Class 2 flexible liners (gas and oil). Carefully follow recommended guidelines to achieve a uniform and well-protected insulation layer along your flue liner.

The Rockwool Tube is 1000mm (39 inches) in length and 150mm in diameter, with an insulation thickness of 25mm (1 inch).

Rockwool Tubes are made from high-quality, non-combustible rock wool, designed to offer top-tier insulation and safety.

Rockwool Tubes can withstand continuous operating temperatures of up to 500°C.

Yes, Rockwool Tubes do not support the growth of fungi, mould, or bacteria and are resistant to vermin.

Use self-adhesive foil tape for all joints and reinforce with 50mm wide aluminium tape. Secure each 1m section of Rockwool Tube to the flue liner as it is lowered down the chimney.

No, Rockwool Tubes are not suitable for Class 2 flexible liners, such as those used for gas and oil.

Rockwool Tubes come in three diameters: 140mm for 125mm (5 inch) liners, 169mm for 150mm (6 inch) liners, and 219mm for 200mm (8 inch) liners. The 219mm diameter can be trimmed to fit a 175mm (7 inch) liner.
Delivery Information +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Wednesday, April 30th. 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 on a retail basis. Give us a call if you find it cheaper and want to buy from us.

Read our review in our Rockwool Tube - 1000mm long 150mm buyers guide

Secure your superior Rockwool Tube now and upgrade your chimney system.

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