Construction Specifier

JUNE 30, 2021

For those seeking prescriptive compliance with the International Energy Conservation Code (IECC) (and aiming to insulate the joist cavity rather than provide continuous insulation above the sheathing ) R-49 is the minimum required for climate zones 4 (marine) and higher. I-joist roof/ceiling assembly. allow full cavity insulation.

Design 52

Design IIC Documentation Residential 52

Construction Specifier

JUNE 8, 2020

solid zones; ? Where needed, the internal lightweight concrete blocks can be omitted, making it easy to accommodate design elements like holes, ducts, built-in installations, and solid zones needing additional reinforcement. Impact insulation class (IIC) rating: 33. Solid zones. long spans and multi-span capability; ?

Concrete 52

Concrete Zoning Innovation IIC 52

Construction Specifier

OCTOBER 5, 2020

Solid zones. ? Where needed, the internal lightweight concrete blocks can be omitted, making it easy to accommodate elements like holes, ducts, built-in installations, and solid zones needing additional reinforcement. Impact isolation class (IIC) rating: 33. Long spans and multi-span capability. ? Flexible geometry. ?

Concrete 52

Concrete IIC Innovation Zoning 52