Lightweight Concrete Roof Insulation Details

Section 03 52 00lightweight concrete roof insulation.

Lightweight concrete roof insulation details.

Cellucrete has established itself as the leader in the lightweight insulating concrete industry with a proven track record of high quality installations throughout the southeast united states. The standard zic mix is a 1 6 ratio of portland cement volume to zic concrete aggregate volume. Since 1985 cellucrete corp has been applying lightweight insulating concrete for roof decks structural concrete engineered fill applications and floor fill installations. Lightweight insulating concrete systems.

Zic nvs insulcel and zonocel. The standard 1 6 mix requires a minimum 2 inch thickness of zic over the top of the insulperm insulation board. It s used in the form of boards in. Section 03 52 00 lightweight concrete roof insulation.

The eps insulation must have a minimum density of 1 pound per cubic foot and have keyholes properly spaced throughout the boards for concrete flow through the boards. Expanded polysterene eps used in lwic is the preferred material. The lighter weight concretes 50 pounds per cubic foot or less which are the most effective as insulation can be used in combination with other materials in wall roof and floor systems where they are the most advantageous in reducing heating and cooling costs. Zic is used in new construction applications over slotted galvanized metal decking.

This combination creates a durable roof system that also has excellent wind uplift values. This section specifies insulating concrete placed on a prepared structural deck and integral insulating board composite construction. The lightweight insulated concrete system lwic utilizes the sarnafil g 410 feltback roof membrane designed specifically for adhered applications bonded to the concrete using sarnacol 2121 water based membrane adhesive. With and elastizell system only the roofing membrane need be replaced.

Lwic roof membrane performance. Elastizell low density insulating concrete roof decks are not damaged by water and the encapsulated eps board the heart of the insulating system is completely protected. 03 52 00 2. Each design encapsulates the insulation board in insulating concrete.

The four designs represent a range of compressive and tensile strengths allowing a choice of system based on substrate and specific project circumstances. Lwic systems provide the designer with a. Siplast lightweight insulating concrete is available in four mix designs. Lightweight insulating concrete insulation.

Air entrainment and water. This process provides fire protection prevents air infiltration and bonds the total insulation system to the substrate.