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// CODE SNIPPET

722.2.1.3 Joints Between Precast Wall Panels

Building Code 2015 of Utah > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.2 Concrete Assemblies > 722.2.1 Concrete Walls > 722.2.1.3 Joints Between Precast Wall Panels
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Joints between precast concrete wall panels that are not insulated as required by this section shall be considered as openings in walls. Uninsulated joints shall be included in determining the percentage of openings permitted by Table 705.8. Where openings are not permitted or are required by this code to be protected, the provisions of this section shall be used to determine the amount of joint insulation required. Insulated joints shall not be considered openings for purposes of determining compliance with the allowable percentage of openings in Table 705.8.

722.2.1.3.1 Ceramic Fiber Joint Protection

Figure 722.2.1.3.1 shows thicknesses of ceramic fiber blankets to be used to insulate joints between precast concrete wall panels for various panel thicknesses and for joint widths of 3/8 inch (9.5 mm) and 1 inch (25 mm) for fire-resistance ratings of 1 hour to 4 hours. For joint widths between 3/8 inch (9.5 mm) and 1 inch (25 mm), the thickness of ceramic fiber blanket is allowed to be determined by direct interpolation. Other tested and labeled materials are acceptable in place of ceramic fiber blankets.


For SI: 1 inch = 25.4 mm.
FIGURE 722.2.1.3.1
CERAMIC FIBER JOINT PROTECTION

Related Code Sections


722.2.1.3 Fire and Smoke Protection Features, Joints Between Precast Wall Panels
Joints between precast concrete wall panels that are not insulated as required by this section shall be considered as openings in walls. Uninsulated ...
Building Code 2018 of Utah > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.2 Concrete Assemblies > 722.2.1 Concrete Walls > 722.2.1.3 Joints Between Precast Wall Panels
722.2.1.3 Fire and Smoke Protection Features, Joints Between Precast Wall Panels
Joints between precast concrete wall panels that are not insulated as required by this section shall be considered as openings in walls. Uninsulated ...
Building Code 2015 of Utah > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.2 Concrete Assemblies > 722.2.1 Concrete Walls > 722.2.1.3 Joints Between Precast Wall Panels
722.2 Fire and Smoke Protection Features, Concrete Assemblies
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