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// CODE SNIPPET

1917.1 Lightweight Insulating Concrete

2017 FBC - Building, 6th edition > 19 Concrete > 1917 Lightweight Insulating Concrete Roofs > 1917.1 Lightweight Insulating Concrete
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Material produced with or without aggregate additions to Portland cement, water and air to form a hardened material possessing insulating qualities, which, when oven dried shall have a unit weight no greater than 50 pcf (801 kg/m3).

1917.1.1 Aggregate Lightweight Insulating Concrete

Insulating concrete formulated predominantly with perlite or vermiculite aggregate having a minimum compressive strength of 125 psi (861.8 kPa) when tested in compliance with ASTM C 495.

1917.1.2 Cellular Lightweight Insulating Concrete

Insulating concrete formulated by mixing a hydrated cementitious matrix around noninterconnecting air cells created by the addition of preformed foam formed from hydrolyzed proteins or synthetic surfactants. The cured cellular lightweight insulating concrete shall have minimum compressive strength of 160 psi (1103 kPa) when tested in compliance with ASTM C495 and C796.

1917.1.3 Cellular/Aggregate (Hybrid) Lightweight Insulating Concrete

Insulated concrete formulated by combining preformed foam with low density aggregates to impart properties of both aggregate and cellular lightweight insulating concrete. It shall have a minimum compressive strength of 200 psi (1379 kPa) when tested in compliance with ASTM C495 and C796.

Related Code Sections


1519.5.3 Roof Assemblies and Rooftop Structures, Lightweight Insulating Concrete
All lightweight insulating concrete shall be vented per roofing system manufacturer recommendations ...
2017 FBC - Building, 6th edition > 15 Roof Assemblies and Rooftop Structures > 1519 High-Velocity Hurricane Zones— Roof Coverings With Slopes Less Than 2:12 > 1519.5 Mechanical Attachment > 1519.5.3 Lightweight Insulating Concrete
1519.5.3 Roof Assemblies and Rooftop Structures, Lightweight Insulating Concrete
All lightweight insulating concrete shall be vented in accordance with roofing system manufacturer recommendations ...
2014 FBC - Building, 5th edition > 15 Roof Assemblies and Rooftop Structures > 1519 High-Velocity Hurricane Zones— Roof Coverings With Slopes Less Than 2:12 > 1519.5 Mechanical Attachment > 1519.5.3 Lightweight Insulating Concrete
1519.5.3 Roof Assemblies and Rooftop Structures, Lightweight Insulating Concrete
All lightweight insulating concrete shall be vented per roofing system manufacturer recommendations ...
2020 FBC - Building, 7th edition > 15 Roof Assemblies and Rooftop Structures > 1519 High-Velocity Hurricane Zones—Roof Coverings With Slopes Less Than 2:12 > 1519.5 Mechanical Attachment > 1519.5.3 Lightweight Insulating Concrete
1917.1 Concrete, Lightweight Insulating Concrete
by the addition of preformed foam formed from hydrolyzed proteins or synthetic surfactants. The cured cellular lightweight insulating concrete shall have minimum ...
2017 FBC - Building, 6th edition > 19 Concrete > 1917 Lightweight Insulating Concrete Roofs > 1917.1 Lightweight Insulating Concrete
1917.1 Concrete, Lightweight Insulating Concrete
by the addition of preformed foam formed from hydrolyzed proteins or synthetic surfactants. The cured cellular lightweight insulating concrete shall have minimum ...
2014 FBC - Building, 5th edition > 19 Concrete > 1917 Lightweight Insulating Concrete Roofs > 1917.1 Lightweight Insulating Concrete
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