Joist Support 5" BLACK Twinwall
SKU: 58619362972

Joist Support 5" BLACK Twinwall

Sale price$42.86 Regular price$47.62
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Joist Support 5" BLACK TwinwallInner Diameter 130mm, external diameter 190mm. 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

Inner Diameter 130mm, external diameter 190mm.

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

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 58619362972

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 1076 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Sulekile
Bozeman, US
★★★★★ 5
Crosse & Blackwell Mayo
Love this only because i grew up eating it.Have tried to adapt to Helmans and other brands but the nostalgia wins every time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
H
Verified Purchase
Hercilio Zimila
Omaha, US
★★★★★ 5
Well, I used it already lol
Met all my expectations. Delivered on time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
S
Verified Purchase
Stang001
Birmingham, US
★★★★★ 5
Good quality and good packaging.
Very fast delivery (overnight), packaging very good. Expensive but no shipping via Amazon makes it about the same
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2026
L
Verified Purchase
Lizzy
Pawtucket, US
★★★★★ 5
Taste
Very tasty
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
A
Verified Purchase
Andrew Y.
Grantham, US
★★★★★ 5
Delicious
As a South African living in America, this is an absolute must in our house hold. We love having it available on Amazon
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 12, 2025

recommand products