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CSA A123.4-2013 pdf free download
CSA A123.4-2013 pdf free download.Asphalt for constructing built-up roof coverings and waterproofing systems.
2 Reference publications
This Standard refers to the following publications, and where such reference is made, it shall be to the edition listed below, including all amendments published thereto.
ASTM International (American Society for Testing and Materials) 0 5-97 Standard Test Method for Penetration of Bituminous Materials
Standard Test Method for Loss on Heating of Oil and Asphaltic Compounds
Standard Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)
Standard Test Method for Flash and Fire Points by Cleveland Open Cup Tester
Standard Practice for Sampling Bituminous Materials
Standard Specification for Asphalt Used in Roofing
D 449-99 el
Standard Specification for Asphalt Used in Dampproofing and Waterproofing
Standard Test Method for Solubility of Asphalt Materials in Trichloroethylene
Standard Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational
CGSB (Canadian General Standards Board) 37-
Pnmer, Asphalt. Unfilled, for Asphalt Roofing, Dampproofing and Waterproofing
Application of Hot Asphalt for Dampproofing or Waterproofing
The following definitions apply in this Standard:
Air-blown asphalt — an asphalt produced by blowing air through molten asphalt or asphaltic flux at an elevated temperature.
Built-up roofing — a functionally continuous, flexible membrane of saturated or saturated and coated felts, fabrics, or mats assembled on a roof with a bituminous plying cement.
Equiviscous temperature (EVT) — Mechanical spreader application — any temperature within the range of ± 14 °C (± 25°F) of
the temperature at which the viscosity of the asphalt, when measured at the point of application of the asphalt to the substrate, is 75 centipoise (cp).
Mop application — any temperature within the range of ± 14 °C (± 25°F) of the temperature at which the viscosity of the asphalt, when measured at the point of application of the asphalt to the substrate, Is 125 cp.
Primer — a liquid bituminous material applied to structural surfaces to seal and promote adhesion of subsequently applied heavier applications of bituminous materials for dampproofing. waterproofing, or roofing.
Waterproofing — treatment of a surface or structure to prevent passage of water under hydrostatic pressure.
4 Physical requirements
Note: ASTM 0 312 may be consulted for additional information on roofing asphalts. ASTM D 449 may be consulted for additional information on dampproofing and waterproofing asphalts,
Asphalt for constructing built-up roof coverings and waterproofing systems shall comply with the
requirements of Table 1.CSA A123.4-2013 pdf free download.
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