The High Performance Solution for Plaza Deck and Green Rooﬁng Applications
Siplast’s continuing dedication to research and
development has produced significant contribu-
tions to the roofing and waterproofing industry.
Throughout the 1950s and 1960s, Siplast was a
pioneer in the search for higher performance,
next-generation roofing and waterproofing prod-
ucts. The search resulted in the development of
styrene-butadiene-styrene (SBS) modified bitu-
In the 1970s, this technology led to the develop-
ment of Teranap for plaza deck and green roof- A Teranap extensive green roof application using sedum plants
ing applications. Architectural designs incorpo- creates a dramatic, colorful landscape on this roof.
rating plaza decks are often used to add design
appeal and maximize space utilization. Green
roofing systems offer a number of environmen- The Teranap Waterproofing System
tal, technical, and aesthetic benefits for building The Teranap Waterproofing System is a torch-
owners, including controlled storm water applied SBS-modified bitumen system incorpo-
drainage, usable green space, and improved rating two membrane layers. The base ply, Ter-
energy efficiency. For more than thirty-five years, abase, is an elastomeric membrane engineered
Siplast as provided high performance water- to retain its elasticity through the rigors of deck
proofing solutions for these exceptionally movement. The top ply, Teranap, consists of a
demanding applications. nonwoven polyester mat impregnated and
coated with SBS-modified bitumen. A root-
Teranap consists of an elastomeric asphalt base resistant polyester film protects the surface of
– a unique blend of SBS and the highest quality the sheet.
asphalt – with a puncture resistant polyester
reinforcement. The resulting SBS-modified bitu- Teranap is 160 mils (4.0 mm) thick. When coupled
men membrane, produced in a unique 2-meter with the Terabase base ply, which is 90 mils (2.2
width, is the optimum solution for plaza decks mm) thick, the system totals over 250 mils of elas-
and green roofing. tomeric waterprooﬁng membrane. Rolls of Ter-
anap are 2 meters wide and 20 meters long, pro-
viding coverage of 400 square feet per roll. This
coverage means a signiﬁcant reduction in the
number of seams as compared to projects using
Over 60,000 square feet of Terabase and Ter-
anap waterproof the pedestrian plazas, Chan-
nel Gardens, and wall behind the Prometheus
fountain at Rockefeller Center, a historic Art
Deco landmark in New York City.
conventional modiﬁed bitumen products. With
fewer seams, ﬂexibility, elasticity, and puncture
resistance, the Teranap Waterprooﬁng System
provides maximum protection from mechanical
and construction abuse. Teranap is also available
in a 1-meter width for applications where a
smaller roll is more practical and convenient, such
as set-back roofs and high-rise projects.
Because Teranap is torch-applied, no special
The Teranap Plaza Deck System starts with a Terabase base Because Teranap is torch applied, no spe-
kettle or unusual application equipment is
sheet. cial kettle or unusual application equipment
required, and cold weather presents fewer appli-
is required. The ﬁnished sheet coverage of
cation restrictions. And application of the Ter-
400 square feet increases production and
anap Waterproofing System can be completed in
greatly reduces ﬁeld seams.
phases, allowing greater scheduling flexibility.
Surfacing Options for Plaza Deck
and Green Roofing Applications
The Teranap Waterproofing System can be
specified with a wide variety of surfacings for
plaza deck applications, including pedestal and
The factory applied roof resistant ﬁnish is visible on the ﬁnished
pavers, and road asphalt. Green roofing appli-
cations can be specified with many landscape
options, including both extensive green and
intensive green assemblies. Extensive green is a
lightweight, minimum soil design incorporating
sedums, grasses, and wildflowers that require
minimal maintenance. Intensive green is a more
standard planting system that requires deeper
soil for grasses, shrubs, and trees.
Please contact Siplast for further information
The pedestals and pavers used on this job represent one of many
regarding specific surfacing applications.
surfacing options available with the Teranap Plaza Deck System.
1000 E. Rochelle Blvd.,
Irving, Texas 75062
201 Bewicke Ave., Suite 210
North Vancouver, BC, Canada V7M 3M7
Customer Service in North America:
Toll Free 1-800-922-8800
Front cover, top left: Over 60,000 square feet of
Teranap Waterprooﬁng was installed at Rockefeller
Center in New York City.
Front cover, top right: The Siplast Teranap Waterproof-
ing System was chosen for the plaza deck of Frank
Lloyd Wright’s Monona Terrace in Madison, Wisconsin.
Back cover, top: A Teranap intensive green roof
provided the waterprooﬁng solution for this
Back cover, bottom left: A Siplast Teranap Green Roof
System is being installed on this downtown Houston
Back cover, bottom right: Teranap was chosen
for the 45,000 square-foot sixth ﬂoor plaza of the
Empire State Building in New York.