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The Latest News
29.06.2007
Sika Sarnafil Introduces Sarnafil G476 Self Adhered Waterproofing
Membrane
New membrane combines superior adhesion with productivity
improvement
Canton,
MA. June 22, 2007– Sika Sarnafil Inc., a leading manufacturer of thermoplastic roofing and waterproofing
systems announces that its Sarnafil G476 waterproofing membrane is now available in a 6.5-ft. wide self
adhered format. Sarnafil G476 SA waterproofing membrane provides building owners with the security of
an adhered system while increasing installation productivity for waterproofing contractors.
The
Sarnafil G476 SA waterproofing membrane is a robust 120-mil thick composite sheet composed of a 60-mil
vinyl waterproofing membrane and an integral 60-mil non-permeable closed cell foam backing layer coated
with a pressure sensitive adhesive. The flexible foam backing layer conforms around minor irregularities
in the substrate and provides a cushion for the waterproofing membrane. The pressure sensitive adhesive
provides a tenacious bond between the membrane composite and substrate to mitigate potential water migration
under the sheet.
Like all Sika Sarnafil thermoplastic
membranes, the Sarnafil G476 SA seams are hot air welded, resulting in a high-strength, watertight closure.
Ideal
for Plaza Deck and Green Roof Installations
Plaza deck and
Green Roof installations demand a high performance membrane that will stand the test of time. Water
leaks in these systems are difficult to locate and expensive to repair. “The Sarnafil G476 SA membrane
utilizes the same time tested membrane formulation that has performed for close to 40 years in these
applications in Europe and North America,” says Gary Whittemore, product manager, Sika Sarnafil Inc.
“Sarnafil G476 SA combines the proven performance record of our Sarnafil G476 waterproofing membrane
with the security of an adhered system with a conformable backing layer.”
Higher
Productivity
The pressure sensitive adhesive application is
controlled at the factory, resulting in consistent installation and higher productivity in the field.
In addition, Sika Sarnafil has developed installer friendly flashing details that leverage the self
adhesive technology. The combination of higher productivity and simplified details translates
into lower installed costs.
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