DuPont™ Thermax™ Wall System
An innovative way to achieve high performing results
The DuPont™ Thermax™ Wall System (TWS) is more than an insulated wall – it’s a systematic approach to achieving efficiency at every level: simplified design, streamlined construction and optimized energy consumption for a reduced carbon footprint.
Protect against moisture and condensation
Steel transfers heat amazingly fast – up to 300 times faster than wood studs and reduces the effective R-value of metal stud wall designs by 40–60%. The ASHRAE prescriptive continuous insulation requirements for steel-framed, above-grade walls recognize this phenomenon, and in most climate zones, call for a layer of continuous insulation (ci) to be added to the assembly to help stop the steel thermal shorts that can decrease the energy efficiency of the wall system.
To meet continuous insulation code requirements it is critical to also account for condensation within the wall assembly. Even if a wall is adequately designed to prevent liquid water from entering the assembly, condensation can still occur as a result of the interior and exterior temperatures as well as relative humidity.
A systematic approach
Typical assembly of the Thermax™ Wall System using Thermax™ XARMOR™ (ci) Exterior Insulation, LiquidArmor™ Flashing and Sealant, and the optional component of a DuPont™ approved spray foam.
DuPont’s complete system combines the strengths of powerhouse solutions to deliver a total package of benefits including:
- The insulating power of Thermax™ Brand Insulation
- The air and moisture protection of weatherization technology such as LiquidArmor™ Flashing and Sealant
- As an optional component, DuPont-approved spray foam in the stud cavity for added air and water sealing
The combined Wall System meets all applicable IBC and ASHRAE requirements for continuous insulation, moisture mitigation, air sealing, and vapor barriers. This system eliminates the need for exterior gypsum sheathing, applied air/vapor barrier membranes, and extensive site coordination, making it both cost effective and easy to install.
Industry leading system warranty
Thermax™ Wall System projects can be registered for our industry-leading system warranty, which includes peace of mind for water resistance, thermal properties, and exposure coverage.
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TWS Gold |
TWS Silver |
TWS Bronze |
Individual Components |
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Thermal Coverage |
20 years |
20 years |
20 years |
20 years |
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Water Resistance Coverage |
15 years |
10 years |
5 years |
N/A |
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Exposure Coverage |
6 months |
6 months |
3 months |
N/A |
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Product Combinations |
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Sample Warranty |
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Application Process |
Simplicity and seamless building protection
Self-adhered with a felt top-sheet, new DuPont™ DuraGard™ CM Transition Flashing makes installation easy. This game-changing flashing seals critical transitions and interfaces that are key to achieving complete building envelope protection.
Installation Procedures for the DuPont™ Thermax™ Wall System
DownloadCustomer spotlight
“The Thermax system has a LiquidArmor than can be (fluid) applied. I used that on recent projects, and I can see that lasting a good, long time….”
– Paul Whitenack AIA, LEED ap | Manager, Building Science
KRAUS-ANDERSON CONSTRUCTION COMPANY
THERMAX™ WALL SYSTEM IN ACTION
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