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Thermal bridging overview

Cast-in-place concrete components such as balconies and parapets can often create significant thermal bridges. These can reduce the wall U-value by as much as 50% and weakening the overall performance of the building envelope. As modern construction focuses on highly insulated and airtight envelopes, the need for balcony thermal breaks and well-designed concrete slab thermal break materials has become critical to limit heat loss at these connection points.

Armatherm™ Cast-In Situ
Key Features

  • 3″ imperial or/ 75mm metric thick insulation body made from Armatherm™ 500-280 with a total R value of 5.7
  • American 2304 Grade 75 stainless steel rebars for maximum structural performance and corrosion protection
  • Standard ASTM bar sizes
  • High-performance concrete compression modules
  • Available with fire protection dependant on project requirements

The Solution

Improving thermal performance and addressing bridging issues are essential in today’s building practices. Stricter building codes, ASHRAE guidelines and green building standards such as LEED all emphasize the importance of effective envelope design. Armatherm™ thermal breaks, including structural thermal break systems for concrete, provide insulation within concrete slabs to significantly reduce bridging effects.

Using Armatherm CIS in Concrete Connections Can:

  • Reduce heat loss and limit the risk of condensation
  • Improve overall R-value performance
  • Enhance comfort indoors
  • Help meet building envelope requirements and energy codes
Structural thermal break installed at a concrete slab edge supporting a glazed facade system, reducing heat transfer and improving building envelope performance.
Technical diagrams showing thermal break solutions for parapets, slab edges, balconies, and canopies to reduce thermal bridging in building envelope design.

Advantages of the Cast-In Situ thermal break

  • Provides effective reduction of thermal bridging in concrete slabs and walls
  • Streamlined product range simplifies both design and installation
  • Strong and durable materials allow for safe handling and transport
  • Rigid insulation body ensures stability for nailing to formwork and easy site cutting
  • Fast installation with a clear step-by-step process
  • Adaptable to accommodate project-specific requirements
  • Offered in both imperial and metric sizes for concrete-to-concrete thermal break applications

Armatherm CIS Video

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What our clients
think about us

“I can always trust that ARMATHERM will deliver a reliable product on time. Their deep knowledge of the industry allows them to aid in project planning and design. ARMATHERM goes out of their way to help their customers get the service they need.”


Andrew Sarlo, Cives Steel Co.

“The team is always very helpful and persistent in delivering the best service possible for the customer and the project. At one point to went the extent of renting a U-Haul to get the product down to Raleigh when the carrier dropped the ball half way down from Mass. Excited for more opportunities ahead!”


James Clark, White Cap

“Dirigo Drywall can count on Armatherm to deliver quality thermal break products for our building projects that increase the buildings energy efficiency and help us meet energy compliance goals.”


Nathan P. Croteau, LEED-AP

“Armatherm was very accommodating with their customer service team in the release and delivery of materials to meet the schedule of the project. They also provided the necessary engineering information for us to ensure the product performed as required. Overall it was a smooth experience from Design to P.O. to Installation.”


Andrew Boesch, Eastern Exterior Wall Systems

“ARMATHERM has a commitment to producing quality products and excellent customer service that is second to none in their industry. They are extremely easy to work with and hold true to their quoted lead times. The Steel Supply Company can count on ARMATHERM to deliver quality thermal break products for our building projects that increase the building’s energy efficiency and help us meet energy compliance goals.”


Frankie, The Steel Supply Company

“The quote came quick, short lead time/fast delivery, no troubles with installation, great technical support & most important, competitive pricing! We are also happy to support a local Massachusetts business!”


Pierre Gagnon, New England Finish Systems

“Armatherm products have been useful in addressing thermal bridging challenges in our projects. Armatherm products insulate many of the difficult structural thermal bridging details GPC Green Builders often encounter. The quoting is quick, the products are shipped on time, and the customer service is great.”


Ben Bogie, BPC Green Builders

“We are very happy with your service and dedication to your customers. I have found through the years your lead times are always in line with our requirements. I have talked to the shop and field and they have no issues with your product or installation. Keep up the good work.”


Paul Rosenthal,Novel Iron Works

“We utilized Armatherm’s thermal breaks to interrupt thermal bridges in several locations. From shelf angles, to dunnage, to door thresholds, Armatherm products offered the right balance of thermal performance and strength, and were simple to coordinate with our exterior wall details.”


Louis Koehl AIA CPHD, Handel Architects
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Armatherm resources

Downloads

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Armatherm Cast-In Situ Brochure

Download Armatherm Cast-In Situ Brochure
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Armatherm™ Thermal Bridging Solutions Catalogue

Download Armatherm™ Thermal Bridging Solutions Catalogue

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    Structural thermal break, reducing heat transfer and improving building envelope performance.

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