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 Main Index > Markets > Construction Applications > Concrete > Roof Decks > Typical Physical Properties and Mix Proportions

 

Typical Physical Properties and Mix Proportions for Perlite Concrete:

Table 4 - Physical Properties and Mix Proportions for Perlite Concrete

Typical Properties

Typical Mix Porportions

Cement to Aggregate Ration (by Volume)

Dry Density Range
lb/ft3

Minimum Compressive Strength
lb/in2

Wet Density Range
lb/ft3

Cement
ft3

Perlite
ft3

Water Gallons

AEA
1:4 36-42 300 48-56 6.75 27 61 (a)
1:6b 24-30 125 38-44 4.5 27 54 (a)
1:8 18-24 80 34-40 3.5 27 50 (a)
FOOTNOTES AND NOTES:
  (a) Consult your perlite manufacturer for recommended types and proportioning of air entraining agent.  Whatever type and proportion is used, try to obtain 10-15 percent air in the wet mix.
  (b) The 1:6 mix ratio is the standard mix used on most roof deck applications.



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Updated:
16-Nov-2001

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