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Most Popular Finishing Plate 0 -30 (2-part) 4" Twinwall Black Save 45% Now [heSIDJnV]

$18.99 $60.99 -69%

Inner Diameter 100mm, external diameter 150mm.Our superior stainless steel insulated twinwall flue system for use with solid fuel appliances. Dinak has the strongest interlocking joint system on the market today, making it popular with top installers

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Most Popular Finishing Plate 0 -30 (2-part) 4" Twinwall Black Save 45% Now [heSIDJnV]

Inner Diameter 100mm, external diameter 150mm.

Our superior stainless steel insulated twinwall flue system for use with solid fuel appliances. Dinak has the strongest interlocking joint system on the market today, making it popular with top installers who need to rely on a quality system every time.

Select your required parts and add to your cart, or alternatively Use our  FREE TWINWALL QUOTATION SERVICE! and we will select all of the required parts to suit your system.

Note: a locking band is required at each joint in the twinwall system. 

Main Features

• Simple, easy push-fit system
• HETAS Approved
• High mechanical resistance to vertical and horizontal forces
• 60mm clearance to combustibles
• No thermal bridge, insulation continuity throughout the system
• Thermal expansion absorbed in each element
• High working temperature: 600°C under continuous operation

Applications

• Solid fuel appliances, wood and multifuel stoves
• Biomass boilers
• Domestic heating and hot water systems
• Hot air generators
• Bakery ovens
• Ventilation and smoke extraction
• Industrial / commercial heating

Materials

Inner wall: 316L Stainless Steel
Outer wall: 304 Stainless Steel
Insulation: 30mm Rockwool

What Our Customers Say

February 6, 2026

Absolutely no complaints!

This is a really nice and a very, very solid product.

- Trista T..

February 6, 2026

Absolutely no complaints!

The best I have ever tried. No doubt.

- Orlando J..

February 6, 2026

Absolutely no complaints!

I'm happy with this very, very nice item.

- Kristan H..

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