Lead Slate, Pitch 25°-35°, suitable for TW Ø 150mm
At a Glance
- - High-grade milled Code 4 lead with 1.8mm thickness for superior durability
- - Designed for pitched roofs between 25° and 35°
- - Specifically engineered for TWPro Ø150mm pipes with an internal Ø225mm clearance
- - Upstand height of 150mm offers enhanced weather protection
- - Suitable for both tiled and slate roofs
- - Proudly manufactured in the UK ensuring top quality

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
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
Our premium Lead Slate is expertly crafted in the UK and is designed to form a weatherproof seal wherever a pipe penetrates a roof. Perfectly suited for both tiled and slate roofs, it’s specifically tailored for roofs with pitches between 25° and 35°. The product is manufactured from milled code 4 lead with a thickness of 1.8mm, ensuring durability and reliability.
The upstand height of 150mm provides additional protection from the elements, making it suitable for use with TWPro 150mm diameter pipes. This lead slate guarantees a long-lasting solution for roof pipe installations, keeping your home secure and water-tight.
SKU: 32-150-TWLS35
Technical Specifications | |
---|---|
SKU | 32-150-TWLS35 |
Base Size | 850 x 550mm |
Pipe External | 175-330mm |
Roof Pitch | 0-45u00b0 |
Material | Milled Code 4 Lead, 1.8mm thick |
Upstand Height | 150mm |
Temperature Resistance | Up to 260u00b0C |
Suitable For | TWPro u00d8150mm Pipes (Internal u00d8225mm) |
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
The Lead Slate for 25°-35° Pitches is an outstanding choice for ensuring a weatherproof seal around roof pipe penetrations. Made in the UK with top-quality materials, it’s ideal for both tiled and slate roofs. At National Flues, we pride ourselves on reliable nationwide delivery and unbeatable prices for both retail and trade customers.
This lead slate is designed to create a weatherproof seal at the point where a pipe penetrates a roof. It is especially suitable for roofs pitched between 25° and 35° and works with TWPro 150mm diameter pipes.
National Flues is a UK-based supplier of high-quality fireplaces and flues, dedicated to serving both retail and trade customers with reliable delivery and competitive pricing.
