Ventilated Support Plate Stainless Twin Wall Flue

Provides reliable, load-bearing support for twin wall flues.

  • Load-bearing support
  • 5″ and 6″ flue diiameters
  • Mild steel construction
  • High temperature safe
  • Fire rated 4-hour

Durable construction ensures long-lasting performance and safety under high temperatures.

Trade professional? Contact us for bulk/ trade prices

Estimated Delivery: 3-7 Working Days

Please enquire for purchasing, pricing, delivery or installation

Get Your Free Installation Quote

With 20+ years experience, we handle everything from survey and design to installation and aftercare. Get a fast, no-obligation quote from our in-house team.

Simply fill in the form below and our team will be in contact.

    FREE delivery on orders over £1,000

    • 14 day no-hassle returns
    • Full manufacturer warranty included
    • Family run since 2003
    • Installation by our in-house team Learn more →
    • Home survey & expert consultation Book now →
    • Dedicated aftercare & ongoing support

     

    Spring Sale Event – Ends 21 June 2026
    SPRING25: £25 off £500 • SPRING50: £50 off £1000 • SPRING100: £100 off £2000 • COLLECT10: 10% off £1000+ (collection) Learn More
    Full price items only. Excludes certain models. Supply only (not installation). Terms apply.
    Need advice or assistance?
    Quick product enquiry →
    🏷 Trade & multi-buy discounts
    Get a tailored quote →
    Ventilated Support Plate Stainless Twin Wall Flue
    Ventilated Support Plate Stainless Twin Wall Flue

    Request a call back

      Delivery, Click & Collect & Returns Information

      Click & Collect:

      We offer a free Click & Collect service on all products. Select “Click & Collect: Berkshire Showroom (RG7 2PQ)” at checkout to reserve your item.

      If the Add to Basket button is not available, please call 0118 970 1717 or email info@bonfire.co.uk
      to place a Click & Collect order.

      To ensure your item is ready for collection, please contact us in advance to confirm availability, opening times, and collection details.

      View our showroom information


      Delivery Information:

      Our current delivery times are approximately 2-3 working days, depending on stock levels at the time of your order. Once your order is placed, we will contact you to confirm your estimated delivery date and notify you of any potential delays.

      • Delivery costs are calculated at checkout based on your postcode location.
      • Free delivery on orders over £1,000 is available within 100 miles of our showroom (RG7 2PQ).
      • Free delivery is a small van/ sprinter 3 metre (receiver unloads) unless stated otherwise.

      We provide delivery within a 200 mile radius of our Reading, Berkshire showroom. To check if we cover your area, click the link below to learn more about our delivery information. For customers beyond this radius, our products are available for collection only online. Please contact our team for a tailored delivery solution, feel free to contact us at 0118 970 1717 or email us at info@bonfire.co.uk for a prompt, bespoke delivery quote.

      Goods are typically delivered on a small or tail-lift van dependant on your requirements, and if access is restricted (e.g., narrow lanes or steep drives), please contact us before placing your order to discuss alternative arrangements. For standard deliveries, a single driver will deliver the goods to the nearest accessible point. We recommend having at least one other person to assist with unloading.

      The driver can only move goods to the closest accessible area, such as a garage, but due to insurance/ health and safety restrictions, cannot bring items into your home. We advise checking the goods while the driver is still there (up to 15 minutes allowed); if any damage is found, please mark it on the delivery note.

      If you are unavailable on the scheduled delivery date, re-delivery charges may apply, and smaller items may require re-scheduling through the courier.

      Learn more about our delivery information


      Return And Exchange Information:

      We offer a 14 day return policy for customers who change their mind or are not satisfied with their purchase. Returns must be requested within 14 days of receiving your order, and the customer is responsible for return shipping costs.

      Our Non Returnable or Refundable Items Include:

      • All flue systems and chimney components
      • All bespoke and made to order items
      • All unique or one off pieces

      Please order carefully based on your application. Please ask our team any questions if you’re unsure on the product.

      Any damaged items must be reported within 48 hours of delivery to ensure a prompt resolution otherwise we cannot guarantee an exchange or replacement. Please ensure the product is returned in its original condition and packaging for a full refund or exchange.

      re-stocking fee of up to 30% may apply to returned or exchanged items as they will have to go back to the manufacturer. Please note that we are unable to accept returns on flue or chimney systems, as well as products with selectable options, made to order and bespoke items

      Learn more about our return and exchange policy

      The Midtherm HTS Ventilated Support Plate is a high-quality, load-bearing accessory designed to provide stable support for twin wall flue systems. Required at regular intervals of every six metres, this support plate ensures your flue maintains proper alignment and structural integrity throughout its installation. Its precision engineering makes it an essential component for both domestic and commercial flue projects.

      Constructed from robust mild steel with a 0.5mm 316 stainless steel inner layer and 0.5mm 304 BA outer casing, this ventilated plate combines strength, heat resistance, and durability. Laser-welded seams and machine-formed joints guarantee a consistent, secure connection, while the sleek modern design complements any installation. Designed to operate safely at temperatures up to 450°C with a 4-hour fire rating, it provides dependable performance under demanding conditions.

      Fully compatible with a wide range of fuel types—including wood, multifuel, gas, oil, biomass, and pellets—the Midtherm HTS Ventilated Support Plate meets Class 1 Twin Wall standards and is manufactured under ISO 9001 quality management systems. CE-certified and produced by a HETAS-registered company, it ensures safety, compliance, and long-lasting reliability for registered installations.

      Features & Benefits

      • Load-Bearing Support: Provides stable support every six metres.
      • Premium Construction: Mild steel with 316/304 stainless steel layers.
      • High-Temperature Rated: Safe for flues up to 450°C.
      • 4-Hour Fire Rating: Suitable for demanding installations.
      • Modern Design: Sleek appearance complements any flue system.
      • Precision Engineering: Laser-welded seams and machine-formed joints.
      • Versatile Compatibility: Works with wood, multifuel, gas, oil, biomass, and pellets.
      • Warranty Assurance: 20-year warranty for registered HT-S installations.

      Additional information

      Brand

      Midtherm

      Colour

      Stainless Steel

      Country Of Origin

      United Kingdom

      Flue Diameter

      127mm (5"), 150mm (6")

      Fuel Type

      Gas, Multi Fuel

      Material

      Stainless Steel

      Warranty

      20 Years (if registered)

      Reviews

      There are no reviews yet.

      Be the first to review “Ventilated Support Plate Stainless Twin Wall Flue”

      Your email address will not be published. Required fields are marked *