Flex Components Listing User Manual

Flex Membrane International Corp. 2670 Leiscz’s Bridge Road, Suite 400, Leesport, PA 19533 Tel: [phone] Fax: [phone]

COMMERCIAL

ROOFING SYSTEMS

FLEX FB (Fleece Backed) ELVALOY®, FLEX MF/R (Smooth Back) ELVALOY®,
FLEX FB PVC, AND FLEX MF/R PVC ADHERED, MECHANICALLY ATTACHED,
AND BALLASTED APPROVED COMPONENTS LISTING

The below listed materials are approved for use in conjunction with Flex FB Elvaloy®, Flex MF/R Elvaloy®
and Flex MF/R PVC Roofing Systems for compliance with the standard five (5) year guarantee and optional,
ten (10) year, fifteen (15) year, twenty (20) year and twenty-five (25) year guarantee programs.

1. Flex Roofing Membranes: All widths are approved.

Type & Thickness Color Usage Guarantee Length

Flex FB, FB Plus, White, Gray, Tan All 5, 10, 15, 20 & 25years
FB 120 Elvaloy®
.045”, .050”, .060”, .080”

Flex FB 100 Elvaloy® White, Gray, Tan All 5, 10, 15, 20 & 25years
.100 “ total thickness

Flex MF/R, MF/R Plus White, Gray, Tan All 5, 10, 15, 20 & 25years
MF/R 120 Elvaloy®
.045”, .050”, .060”, .080”

Flex MF/R PVC White, Gray, Tan All 5, 10, 15, 20 & 25years
.050”, .060”, .080”

Flex Flashing Membrane White, Gray, Tan Flashings only Concurrent with
Reinforced Field Membrane
.045”, .050”, .060”, .080”
Non reinforced .045”

Flex 6” Trim Strip White, Gray, Tan Trim Work Concurrent with
.045”, .060” Field Membrane

Flexclad Metal White, Gray, Tan Where Concurrent with
Required Field Membrane

2. Insulation:
A. Polyisocyanurate faced roof boards: Per Federal spec. HH-I-1972/GEN and HH-1-1972/2,

ASTM C 1289, Type II, Class 1, Grade 2 (20 psi) or Grade 3 (25 psi)

minimum thickness 1” nominal.
Flex ISO II, Flex ISO III, Flex ISO II Tapered, and Flex ISO III Tapered

B. Extruded polystyrene boards: ASTM C 578 Type X (18 psi) or Type IV (25 psi),

CAN/ULC S701, Type 3, Nominal board thickness 2”

C. Molded expanded polystyrene boards: ASTM C578-85, Type 1, minimum density

0.9 lbs. /cu.ft. Nominal board thickness 1”
D. Perlite Insulation Board: ASTM C 728 Type I or Type II, nominal board thickness 1/2”

E. Lightweight roof fills: Perlite, vermiculite, cellular concrete and gypsum. Used in conjunction with

Flex approved separation layers.

F. Wood fiber boards: ASTM C 208 Type II, Grade 1 or Type II Grade 2, nominal board thickness 1/2”
G. Sprayed polyurethane foam: Minimum 2” thick and minimum 2.0 lbs. /CF density when used in

conjunction with Flex approved separation layers and insulation boards.

3. Asphalt ( Elvaloy Fleeceback Membranes Only):
A. Hot steep asphalt: ASTM D 312, Type III and Type IV
B. Polymer Modified Asphalt: ASTM D 6152 , Flex SEBS200 Modified Rubberized Asphalt

4. Fasteners:
A. Metal /Wood Decks: Screw type fasteners treated with CR 10 corrosion resistant coating. Required

pull out value of minimum 420 lbs. in 22 gauge steel deck to be applied in conjunction with a Factory
Mutual approved pattern:

1. Flex Standard Steel/Wood Deck Fastener and Plate

2. Flex HD Steel/Wood Deck Fastener and Plate

3. Flex XHD Fastener and Plate

4. Flex SXHD Fastener and Plate

5. Flex Rhino Plate and Fastener

B. Structural Concrete Decks: Minimum compressive strength of 2500 psi, Density of 150 lbs./cu/ft.
Required pull out value of minimum of 600 lbs.

1. Flex CD-10 Concrete Fastener and Plate

2. Flex Fluted Nail Concrete Fastener and Plate

3. Flex Rhino Plate and Fastener

C. Lightweight Insulating Concrete: Density of 20 to 40 lbs. /cu.ft. Minimum Compressive Strength of

200 psi. Required pull out value of minimum of 300 lbs.

1. On steel deck see 4A above.

2. Flex GypTec Fastener and Plate

3. Flex Lite Deck Fastener and Plate

4. Flex CR Base Sheet Fastener (pull out value 40 lb. min.)

5. Flex OlyLok Locking Impact Nail