Lead Slate 45 - IL 125mm - (int 140mm)
At a Glance
- - Manufactured in the UK using premium code 4 lead
- - Robust 1.8mm lead thickness for long-lasting performance
- - 150mm upstand for enhanced security and weatherproofing
- - Designed specifically for tiled and slate roofs
- - Compatible with IL 125mm and internal 140mm chimney flue installations

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 Lead Slate 45° - IL 125mm, with an internal measurement of 140mm, is an essential component for chimney flue installations on tiled and slate roofs. Proudly manufactured in the UK, this lead slate is crafted from milled code 4 lead with a robust lead thickness of 1.8mm, ensuring long-lasting strength and reliability. It features an upstand of 150mm, making it suitable for various roof pitches and conditions.
Whether you're retrofitting an existing roof or working on new construction, this lead slate is designed to provide exceptional performance and ease of installation, ensuring your flue system remains secure and weatherproof.
SKU: 32-125-LS45
Technical Specifications | |
---|---|
SKU | 32-125-LS45 |
Design | Lead Slate Pitch 45u00b0 |
Material | Code 4 Lead |
Lead Thickness | 1.8mm |
Upstand Height | 150mm |
Base Dimensions | 850 x 550mm |
Pipe External Compatibility | 175-330mm |
Roof Pitch | 0-45u00b0 |
Temperature Rating | 260u00b0C |
IL Measurement | 125mm |
Internal Measurement | 140mm |
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 45° - IL 125mm is a top-notch choice for your chimney flue needs. Made in the UK, this product offers unparalleled quality and durability. At National Flues, we pride ourselves on providing nationwide delivery and serving both retail and trade customers with unbeatable prices.
The Lead Slate 45° is designed for chimney flue installations on tiled and slate roofs, providing a secure, weatherproof seal and reliable performance.
National Flues is a leading supplier of fireplaces and flues in the UK, offering exceptional quality products at competitive prices with reliable nationwide delivery.
