ATAS ATA-Guard User Manual

ATAS INTERNATIONAL, INC.

SPECIFICATION DATA SHEET

1. PRODUCT NAME

ATA-Guard™
Synthetic Roong
Underlayment

2. SUPPLIER

ATAS INTERNATIONAL, INC.
website: www.atas.com
email: [e-mail]
Corporate Headquarters:
Allentown, PA 18106
Phone: [phone]
Fax: [phone]
Western Facility:
Mesa, AZ 85201
Phone: [phone]
Fax: [phone]
Southern Facility:
Maryville, TN 37801
Phone: [phone]

3. PRODUCT DESCRIPTION

Basic Uses:

ATA-GuardTM is a highly engineered,
mechanically attached, coated woven
synthetic roong underlayment for sloped
roofs. It can be used under all types of primary
roong materials and is approved as an
alternative replacement for Type 15 or Type
30 asphalt roong felt. ATA-Guard is 5 times
lighter and 25 times stronger than 30# asphalt.

Composition and Materials:

ATA-Guard is 100% asphalt free, reinforced
underlayment. Advanced polymers are
combined to produce a lm that is unaected
by water and resistant to UV for up to 6
months.

Size:

ATA-Guard has a nominal thickness of 30 mils
and is available in rolls 48” wide by 250’ long,
a total area of 1000 sq. ft. Each roll weighs 48
pounds.

Color and Finish:

Polymers are combined to produce a gray
color that is much cooler than traditional
asphalt-based underlayments. The walking
surface has a nodular texture that allows for
steep slope walkability even in wet conditions.

4. TECHNICAL DATA

ASTM E 108
Class A Fire

TM

ATA-Guard
KYNAR 500® is a registered trademark of Arkema.
HYLAR 5000® is a registered trademark of Solvay Solexis, Inc.
© 2011 ATAS International, Inc. LRD0711 LAT643

is a trademark of ATAS International, Inc

ASTM D 1970
Nail Sealability
ASTM E 96-00
Permeability 0.05 perms
ASTM D 4869
Water Transmission
ASTM D 226
Tear Strength MD 55 lbs, CD 55 lbs
ASTM D 751-95
Tensile Strength MD 178 lbs,
CD 176 lbs
Burst Strength 300 psi
Elongation MD 20%, CD 20%
ASTM D5261
Weight per Square 4.7 lbs
ASTM D 1777
Minimum Thickness 30 mils
Temperature Range -70°F to 212°F.

5. INSTALLATION

Recommended Application:

ATA-Guard must be installed above properly
ventilated spaces (following local building
code) as it is considered a vapor barrier.
Installation manuals or hands-on training
through seminars are available through ATAS.
Visit www.atas.com for more information.

Application Methods:

ATA-Guard is an air, water and vapor barrier.
It must be installed above properly ventilated
spaces (follow ALL building codes applicable
to your geographical region and structure
type) as it is considered a vapor barrier (.05
perms). The use of a rosin paper slip-sheet
is not required underneath metal roong
systems. Protrusions from the deck area must
be removed and decks shall have no voids,
damaged or unsupported areas. The use of a
straight edge cutting knives is recommended.
ATA-Guard is laid out horizontally (parallel) to
the eave with the printed side up, and with
the 4” horizontal laps and 6” vertical laps.
Follow the codes for low slope as dened as
2:12 to 4:12 and steep slope greater than 4:12
applications. ATA-Guard must be attached
to the structural roof deck material using ⁄”
head electro galvanized (EG) roong nails; tin
tag caps & nails; screws with washers; plastic
cap staples or plastic cap nails. Anchoring
to be installed at a minimum as per surface
markings, spaced 6” on center in the vertical
and horizontal laps, and at 12” on center
along the center of the roll in the eld as
marked. If the application of ATA-Guard
and the nal roong material occur on the
same day, then the option to use every other
printed anchoring placement is acceptable.
All anchoring devices must be flush, 90
degrees to the roof deck, and tight with the
underlayment surface and the structural roof

deck. For extended exposure (months) or high
wind, double the lap widths as a minimum.
Option: Fold the overlay laps forming a “J”
channel configuration before nailing; using a
compatible sealant between the laps, or using
a peel and stick tape is highly recommended.
For batten secured installations, use only
adequate length nails or screws to secure
battens to the structural roof deck material.
It is recommended to use ⁄” head electro
galvanized roong nails; plastic cap staples;
plastic cap nails or screws with metal or plastic
washers to secure ATA-Guard to prevent
blow o until the batten system is installed.
When using plastic cap and staples, staple leg
should be a minimum ½” or longer. Do not
install battens directly over any plastic caps.
If this occurs, remove plastic cap staples or
nails, patch the hole, then install cap outside
batten eld and continue. Where seams and
joints require sealant or adhesive, use a high
quality, low solvent, Asbestos free, plastic
roofing cement meeting ASTM D-4586 Type
1 (Asbestos free), Federal Spec SS-153 Type 1
(Asbestos free) such as Karnak, Henry, DAP, MB,
Geocel or equivalent. Acceptable alternatives
are butyl rubber, urethane, and EDPM based
caulk or tape sealant. Depending on roof
pitch and surface conditions, blocking may be
required to support materials on the roof

6. AVAILABILITY AND COST

Availability:

ATA-Guard is available through ATAS product
distributors.

Cost:

Contact ATAS product distributors for current
pricing.

7. WARRANTY

ATA-Guard is covered by a fty (50) year
limited warranty.

8. MAINTENANCE

None when installed in accordance with
manufacturer’s recommendations.

9. TECHNICAL SERVICES

Complete technical information and literature
are available from ATAS International, Inc.
ATAS will assist with design ideas and shop
drawings.

10. FILING SYSTEM

www.atas.com•
Additional product information is available
from the manufacturer upon request.