What makes Stone Paving Technologies the top choice for professionals?

GftK paving joint mortars have the ideal correlation between their compressive and flexural strengths, plus their modulus of elasticity values, according to their areas of use.

vdw800
  • FLEXURAL STRENGTH: approx. 725.16 psi
  • COMPRESSIVE STRENGTH: approx. 2,175.47 psi
  • E-MODULUS: 493,106.25 psi
  • PERMEABILITY: 1.5 gallon/sq. ft.
  • PACKAGING: 55 lb plastic buckets
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vdw815
  • FLEXURAL STRENGTH: approx. 1,450.3 psi
  • COMPRESSIVE STRENGTH: approx. 3,625.8 psi
  • E-MODULUS: 797,707 psi
  • PERMEABILITY: 5.6 fl.oz./sq. ft. 
  • PACKAGING: 55 lb plastic buckets
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vdw850
  • FLEXURAL STRENGTH: approx. 1,450.3 psi
  • COMPRESSIVE STRENGTH: approx. 3,625.8 psi
  • E-MODULUS: 797,707 psi
  • PERMEABILITY: 5.6 fl.oz./sq. ft. 
  • PACKAGING: 55 lb plastic buckets
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vdw855
  • FLEXURAL STRENGTH: approx. 2,175.5 psi
  • COMPRESSIVE STRENGTH: approx. 6,526.7 psi
  • E-MODULUS: 1,232,820 psi
  • PERMEABILITY: 0.722 fl.oz./sq.ft. 
  • PACKAGING: 55 lb plastic buckets
Download Technical Data Sheet