Viking CIAPG-4.5TA

Product Description

VIKING CIAPG-4.5TA is a torch applied, mineral surfaced, modified bitumen waterproofing membrane composed of carefully selected asphalts (bitumen) having superior modifying characteristics, blended with high quality polypropylene resins. VIKING CIAPG-4.5TA is reinforced with spunbond polyester fabric. VIKING CIAPG-4.5TA waterproofing membrane yields the following performance characteristics:

  • Impermeable to water
  • Excellent adhesion
  • Puncture resistant
  • Longevity
  • Thermally stable
  • Resistant to acids and most bases
  • Excellent workability

Spunbond polyester fabric, used as a reinforcement in APM4.5T has isotropic mechanical properties giving the composite membrane similar mechanical characteristics in all angular directions in relation to the membrane surface. Spunbond polyester fabric imparts the following properties to the composite membrane:

  • High flexibility
  • High elongation
  • Fatigue resistance
  • Deterioration resistance
  • Puncture resistance
  • Mechanical strength
  • Tear strength
  • Dimensional stability

The mineral surface protects the membrane from ageing caused from heat and ultra violet radiation. Most mineral surfacings yield sufficiently high amounts of solar reflectivity to realized some energy savings, depending on building construction and use. Some heat absorption values are given below, calculated on the basis of an ideal black surface as being 100%:

  • Ideal Black 100%
  • Bituminous Surface 94%
  • Gray Mineral 85%
  • Tan Mineral 57%
  • White Mineral 30%

VIKING CIAPG-4.5TA incorporates a smooth and even application of polyethylene film to prevent blocking of rolls and to provide a smooth, acceptable torching surface. Polyethylene burn-off film is contained on the torch- able face of the roll. The polyethylene burn-off film acts as a “sight indicator” for the applicator in determining the proper flow needed to insure adequate bonding of plies and seams. After installation of the roofing membrane is complete, the surface may be coated with a COMMERCIAL INNOVATIONS, INC. (CI) APPROVED ROOF COATING to increase the overall reflectivity of the system and/or fire rating. CI recommends that a period of at least 45 days elapse before roof coatings are applied. This will effectively allow the membrane to “cure” and accept the roof coating.