Using the olylok – Flex OlyLok Locking Impact Nail User Manual
Page 2
For Attaching Base Ply, Recovery Board and
Insulation to Wood Fiber/Poured Gypsum Decks
Fastener density and spacing vary depending on applicable uplift require-
ments. Local codes, governing approval bodies, membrane manufactur-
ers, and individual roofdeck manufacturers all may have specific require-
ments that need to be addressed prior to beginning any roofing project.
The OlyLok should always be embedded into the structural roof
deck to a depth of at least 1". The following illustrates typical Factory
Mutual recommended fastening patterns widely accepted by membrane
and roofdeck manufacturers.
USING THE OLYLOK
Fastening Guide 2
Recovery board and insulation attachment under fully adhered
single ply membranes.
Class I-90 Windstorm Classification.
An FMRC Approved Recovery Board/Insulation suitable for use
with fully adhered single ply membranes is attached with 12 OlyLok
fasteners per 4'x 4' board in 4 rows of 3 fasteners per row.
(1 fastener per 1.33 ft.
2
)
Consult Flex for a complete listing of approved recovery
boards/insulations.
Fastening Guide 1
Recovery board and Insulation attachment under built-up and
modified bitumen roof covers.
Class I-90 Windstorm Classification.
An FMRC Approved Recovery Board/Insulation suitable for use
with minimum 3 ply built-up or modified membranes is attached with
8 OlyLok fasteners per 4'x 4' board in a diamond in a box pattern.
(1 fastener per 2 ft.
2
)
Consult Flex for a complete listing of approved recovery
boards/insulations.
6"
6"
+
+
+
+
+
+
+
+
+
+
+
+
12"
12"
12"
12 Fasteners
¨
¨
¨
¨
¨
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¨
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6"
6"
¨
¨
¨
¨
¨
¨
¨
¨
+
+
+
+
+
+
+
+
6"
6"
12"
24"
8 Fasteners
800-969-0108 • 610-916-9501 (Fax)
2670 Leiscz’s Bridge Road, Suite 400, Leesport, PA 19533
e-mail: [email protected] • www.flexroofingsystems.com