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The Museum’s double-skinned window-wall is one of the building’s most notable sustainable features. Each facade’s two glazing layers, the naturally-ventilated cavity between them, and its enclosed, vertical, wooden sun/glare-control louvers, work in concert to significantly reduce The Museum’s mechanical and electrical loads. The double-skin/air cavity system is a highly insulated barrier that mitigates the fluctuations of external temperatures. In addition, the air cavity creates a chimney...
R-VALUE: 40.0, SUITABLE FOR: new construction, retrofitTHERMAL PERFORMANCE: At R-3.5 per in., the cellulose in this system yields an overall value of R-40.PROS:• Familiar building process means lower labor costs with readily available materials.• If cellulose is used, the project has a lower environmental impact.• Large moisture-storage capacity allows wall cavities to dry gradually.CONS:• Fairly involved insulation process can add to labor costs.• Reduces interior space by 3%.