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PERLITE INSULATING CONCRETE APPLICATION AND DESIGN INFORMATION FOR CONTRACTORS

RECOMMENDED PRACTICES FOR WORKMANSHIP AND TOLERANCES 6.1 – Placement 7.1 – Variation of Plane Perlite concrete should be conveyed from the mixer to the place of final deposit by methods which will prevent segregation or loss of material. Equipment for conveying perlite concrete should be designed to ensure delivery without separation of materials or serous loss of air content. Variation in deck thickness should be no greater than 6.5 mm on a 3m straight edge. Pumping should be in accordance with recommendations of the perlite producer, and the perlite concrete shall meet the specified...

PERLITE INSULATING CONCRETE GENERAL 1.1 – Scope This document brings together pertinent information on the design and placement of perlite insulating concrete. The use of this information is for perlite concrete applicators responsible for the installation and application of perlite insulating concrete. Shall be a highly compressible vapour permeable material which will compress to one half its thickness under a load of 172 kPa or less. 1.2 – Definition Perlite insulating concrete is a combination of perlite aggregate, Portland cement, air entraining agent, water and/ or other additives...

Refer to Table 5.1 below: TYPICAL PHYSICAL PROPERTIES OF PERLITE CONCRETE IN METRIC UNITS (Cement Density /Perlite) (Typical) Cement Perlite Entraining Density Density Conductivity Agent Range Range Range Compressive Density Strength when The use of the correct amount of air entraining agent is very important in successful perlite concrete construction. The air entraining agent produces countless tiny air bubbles in the concrete which reduces the density, increases the yield and contributes to the insulation factor of the dry concrete. Perlite insulating concrete should be mixed in a...

EXAMPLE: EXAMPLE: EXAMPLE: EXAMPLE: Weight of empty bucket: Weight of empty bucket: Weight of bucket filled with water: Weight of bucket filled with water: Net weight of water: Net weight of water: Volume = Net Weight of water Volume = Net Weight of water _________________ _________________ Density of water: Density of water: Perlite Cement: Perlite Cement: Perlite Aggregate (0.17m @ 128kg/m ): Perlite Aggregate (0.17m @ 128kg/m ): Air Entraining Agent: (700ml) Air Entraining Agent: (700ml) Total Total 0.01 m3 0.01 m3 Substituting in formula Substituting in formula 2. Fill the container...

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