Construction Specifier

APRIL 30, 2021

One of these is to achieve greater vertical noise isolation—the acoustic ceiling panels suspended below the concrete slab should: be made of a certain material, such as wet-felted mineral fiber; have a certain minimum weight, for example, 5 kg/m 2 (1 psf); and. earn a minimum ceiling attenuation class (CAC) rating of 35.

Guidelines 98

Guidelines IRS IIC Concrete 98

Construction Specifier

JUNE 30, 2021

When DCA3 was first published, it is likely many I-joists did indeed satisfy all these requirements but, over the years, manufacturers have improved their technologies and found ways to get better performance out of less material. Fiberglass insulation, whether blown-in or blanket, is perhaps the most used material for this application.

Design 52

Design IIC Documentation Residential 52

Construction Specifier

OCTOBER 5, 2020

By leveraging multiple concrete types and the time-tested principles of Roman arch design, T-SLAB is capable of delivering all the advantages of the industry’s most effective building materials in a single, cost-effective, and 100 percent precast solution. Impact isolation class (IIC) rating: 33. Slab weight: 50 kg (109.5 Fire rating.

Concrete 52

Concrete IIC Innovation Zoning 52

Construction Specifier

JUNE 8, 2020

By leveraging multiple concrete types and the time-tested principles of Roman arch design, T-SLAB is capable of delivering all the advantages of the industry’s most effective building materials in a single, cost-effective, and 100 percent precast solution. Impact insulation class (IIC) rating: 33. Sound test results. Fire rating.

Concrete 52

Concrete Zoning Innovation IIC 52