Technical Specifications

When performance is your priority, choose the shingle that offers
you a material difference.
Duration FLEX
®
shingles are the only SBS modied polymer shingle
with the added condence of patented SureNail
®
Technology for
exceptional wind resistance.
THE ONLY SBS
SHINGLE WITH
SURENAIL
®
TECHNOLOGY
This tough, engineered woven-fabric
strip is embedded in the shingle to
create an easy-to-see strong, durable
fastener zone.
“No Guess” Wide Nailing Zone
Excellent Adhesive Power
Outstanding Grip
Breakthrough Design
Triple Layer Protection
®††
Double the Common Bond
Helps keep the shingle
layers laminated.
The SureNail
®
strip enhances
the already amazing grip of our
proprietary Tru-Bond
®‡
sealant for
exceptional wind resistance of a
130-MPH wind warranty.
**
Patented SureNail
®
Technology is the rst and
only reinforced nailing zone
on the face of the shingle.
A unique “triple layer” of
reinforcement occurs when the
fabric overlays the two shingle
layers, providing increased
protection against “nail pull”
from the wind.
SureNail
®
features up to a
200% wider bond between the
shingle layers in the nailing
zone over standard shingles.
UL 2218, Class 4
Highest rating possible
for impact resistance.
Flexible Shingles
Withstands shingle expansion
and contraction; helps resist
cracking and tearing.