Free Delivery over £100+ 5on Trustpilot Browse our popular stoves Fast Mainland UK Delivery Buy stoves with install packs Call 01670 206 999 for help

RES 3 SILICONE 275-450mm (11-18 inch) - High Temp. (32-301RESHT)

National Flues' RES 3 Silicone Flashing is a top-tier high-temperature flashing solution designed for tiled roofs and external pipes. Combining a robust lead-free aluminium base with a long-lasting silicone rubber upstand, this flashing is ideal for pipes ranging from 275mm to 450mm (11-18 inches). Read more...
Now only £118.99
including free delivery Give us a call if you find it cheaper and we'll normally price match.
  • Fast deliveryFriday, November 14th*
  • Best PriceCall us to beat any price you found online.
  • Secure checkoutCard· Google/Apple Pay· Klarna· Paypal

 

Payment Options

At a Glance

  • Withstands extreme temperatures from -74°C to 260°C
  • Designed for external pipes from 275mm to 450mm (11-18 inches)
  • Durable, high-quality silicone rubber upstand with 20 year lifespan
  • Lead-free aluminium base ensuring environmental safety
  • Built-in 20° pitch adaptable to roof angles up to 45°
  • Easy installation with pull tab design and smooth tear grooving

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: sales@nationalflues.com

The RES 3 Silicone 275-450mm (11-18 inch) Flashing is the ideal solution for ensuring a secure seal around external pipes on tiled roofs. Engineered to withstand temperatures from -74°C to 260°C, this flashing kit features an environmentally-friendly lead-free aluminium base and a durable SILICONE rubber upstand that's built to last up to 20 years. The built-in 20° pitch offers adaptability to almost any roof angle, including steep pitches up to 45°.

Installation is straightforward with the pull tab design and smooth tear grooving, eliminating the need for precise cutting. Just size with pliers, apply silicone sealant, and secure in place. Designed for roof pipes with diameters between 275mm to 450mm (11 to 18 inches), with an aluminium base size of 31.5 inches square.

SKU: 32-301RESHT

Delivery Information* +

We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, November 14th. This is based on current lead times. Bear in mind that it is a busy time of year. If you need a product delivered by a specific time in the next 7 days, then please give us a call on 01670 206 999. Visit our Shipping Information page for more information.

About National Flues Ltd +

We began over 30 years ago as a fireplace shop in the North East. We now supply hundreds of trade professionals and thousands of retail customers, all across the UK, every month. We are still a family owned business, lead by the MD Neil, and always try our best to deliver the best possible experience. We also price match, so give us a call if you find this cheaper and want to buy from us. Visit our about us page to read a bit more.

Technical Specifications
SKU32-301RESHT
Aluminium Base Size890 x 890mm
Pipe External Diameter275-450mm (11-18 inches)
Roof Pitch20° to 45°
Temperature Range-74°C to 260°C
LifespanUp to 20 years
Design FeaturesPull Tab Design, Smooth Tear Grooving
MaterialLead-Free Aluminium Base with SILICONE Rubber Upstand
• Ensure that the roof area is clean and dry before installation. • Use pliers to size the pull tab; no precise cutting is required thanks to the pre-scored tear grooves. • Apply high-quality silicone sealant along the edge of the base for enhanced adhesion. • Firmly press the flashing into place, ensuring the 20° pitch is aligned with the roof's contour. • Check that the flashing fully encases the external pipe for a secure, weatherproof seal. • Always consult manufacturer guidelines or a professional if you are unsure about any steps.

The RES 3 Silicone Flashing is designed to endure extreme temperatures ranging from -74°C to 260°C.

Yes, the built-in 20° pitch allows the flashing to adapt to various roof pitches, including steep angles up to 45°.

The silicone rubber upstand in the RES 3 Flashing has an expected lifespan of up to 20 years.

Absolutely, the RES 3 Silicone Flashing features an aluminium base that is lead-free, making it environmentally safe.

This flashing is designed for external pipe diameters ranging from 275mm to 450mm (11 to 18 inches).

Installation requires pliers for sizing the pull tab, a Stanley knife for cutting if necessary, silicone sealant, and basic fastening tools.

Yes, National Flues provides reliable nationwide delivery for all our products, including the RES 3 Silicone Flashing.

 

Call the Experts   8am-5pm
👀 7 people watching this