Full Product Manual

Grace Construction Products
GRACE ICE & WATER SHIELD
®
Self-adhered roong underlayment
Product Description
Grace Ice & Water Shield
®
self-adhered roong underlayment
is a premier membrane composed of two waterproong materi-
als—an aggressive rubberized asphalt adhesive backed by a
layer of high density cross laminated polyethylene. The rubber-
ized asphalt surface is backed with a foldless release paper that
protects its adhesive quality. During application, the release paper
is easily removed, allowing the rubberized asphalt to bond tightly
to the roof deck. In addition, embedded in the membrane is a
Ripcord
®
split release on demand feature.
The full width membrane is supplied in three full-width roll sizes.
See the Product Data chart for product
information.
Membrane strips are also available in 75 ft (22.9 m) long rolls at
widths of 6 in. (150 mm), 9 in. (225 mm), 12 in. (300 mm) and
18 in. (450 mm).
Features & Benets
Easy to handle and apply—The self-adhesive membrane bonds
rmly to the roof deck without heat or special adhesives.
Ripcord
®
split release on demand is a unique and patented feature
that makes Grace Ice & Water Shield
®
roong underlayment
is easier to apply by giving the applicator the option to split
the release liner in half. Faster application of the membrane in
the straight-aways, as well as ease of membrane positioning in
detailed areas (valleys, around dormers, etc.), are just some of the
benets.
Foldless release paper—The foldless release paper provides
multiple performance enhancements: fewer edge catches, 180°
pull-back, ease of membrane cutting (single cuts) and membrane
positioning, quicker “one-man installs” resulting in an easier,
more productive release.
Seals around nails—The rubberized asphalt layer in Grace Ice
& Water Shield
®
membrane seals around roong nails, resisting
leakage caused by water back-up behind ice dams, or from wind-
driven rain.
Dual barrier protection—Rubberized asphalt and polyethyl-
ene are combined to form two waterproong barriers providing
maximum protection.
Membrane will not crack, dry out or rot—Grace Ice & Water
Shield
®
roong underlayment resists attacks from fungus and
bacteria; maintains its integrity for long lasting protection.
Protects under all standard sloped roof
coverings—Grace Ice & Water Shield
®
roong underlayment
protects under slate, tile, cedar shakes or metal, as well as under
conventional asphalt shingles.
Slip resistant surface—Grace Ice & Water Shield
®
self-adhered
membrane has a slip resistant embossed surface to maximize trac-
tion and safety for applicators.
Proven track record—Grace Ice & Water Shield
®
roong
underlayment is the name brand in roong underlayments with a
35-year track record of protecting roofs from ice dams and wind-
driven rain.
Reroofable—Unlike granular surfaced membranes, Grace Ice
& Water Shield
®
smooth surface underlayment will not adhere to
the underside of the exposed roof covering. Grace Ice & Water
Shield
®
membrane can be applied over the old Grace underlay-
ment (except over Grace Basik
®
, Grace Tri-Flex
®
and Grace SYN
15
™
) In retrot applications, making re-roong easier, less costly
(since there is no need for removing the existing underlayment),
more durable and environmentally friendly (as the structural deck
remains intact avoiding the need to purchase additional wood
decking).
Grace technical support—Grace Ice & Water Shield
®
roong
underlayment is backed by a team of local technical support
personnel that help ensure every application goes smoothly.
Guidelines for Use
Grace Ice & Water Shield
®
roong membrane is used as an
underlayment for sloped roofs to resist water penetration due to
water back-up behind ice dams or wind-driven rain. Grace Ice &
Water Shield
®
underlayment also offers leak protection in trouble
prone spots like valleys, skylights, protrusions and other ashing
areas.
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