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Thermal Bridging Solutions
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Masonry Shelf Angle Thermal Bridging Solution > PRODUCT > Masonry Shelf Angle Thermal Bridging Solution
Masonry Shelf Angle Thermal Bridging Solution
Masonry veneer walls require tie-backs and shelf angles which form significant thermal bridges and can reduce a walls' R value by as much as 50% making it difficult to meet energy codes. Shelf angles transfer the masonry load back to the buildings' structural steel or concrete slab edge interrupting the continuous insulation of the wall assembly creating a linear thermal bridge. To improve the U value of a masonry wall assembly, the shelf angle can be connected to the structure at discreet, evenly spaced points such as plate “blades" allowing the insulation to pass behind the steel angle, thus reducing the effects of a continuous thermal bridge. However, building the shelf angle outwards requires larger geometries and additional material to support the cantilevered load. Masonry Shelf Angle Thermal BreakAlternatively, Armatherm™ FRR structural thermal break material can be used directly behind the masonry shelf angle as a thermal break within the insulating layer. The Armatherm™ thermal break significantly reduces the linear transmittance (heat loss) of the shelf angle connection. Rigid, metal flashing used as waterproofing can also be replaced with a non-conductive, self-adhered membrane to reduce the effects of thermal bridging further.
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Revit BIM Files for Masonry Shelf Angle Thermal Bridging Solution

Structural Thermal Bridging Solutions BIM system
Structural Thermal Bridging Solutions

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CAD Detail Files for Masonry Shelf Angle Thermal Bridging Solution

MASONRY SHELF (METRIC)
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Videos for Masonry Shelf Angle Thermal Bridging Solution

Armatherm video of How the Armatherm™ Z-Girt reduces thermal bridging through cladded and panelled walls
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Armatherm video of How to reduce thermal bridging through shelf angles with Armatherm™.
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Armatherm video of How to reduce thermal bridging through wall-to-foundation transitions with Armatherm™
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Armatherm video of Thermal bridging explained
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