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Accessories  /  Fasteners

GenFast #12 Fastener

Fastener for attaching roofing insulation with GenFlex 3" Insulation Plates to approved steel and wood decks.

Acceptable Systems:

  • Insulation & Cover Boards
Gefnlex #12 Fastener for Insulation

Overview        |          Options         |         Documents

Overview

GenFast #12 Fasteners are designed for use in GenFlex roofing systems to attach insulation to approved steel and wood decks when used with GenFlex 3″ Insulation Plates. These fasteners are not intended for securing membrane systems.
Manufactured to meet the physical property requirements of Factory Mutual (FM) Specification #4470, GenFast #12 Fasteners provide reliable performance and consistent quality in approved insulation attachment applications.

Options

Size Weight Packaging Item Code
Size

1-5/8" (41 mm)
2-1/4" (57 mm)
3" (76 mm)
4" (102 mm)
5" (127 mm)
6" (152 mm)
7" (178 mm)
8" (203 mm)

Weight
11 lb (5.0 kg)
15 lb (6.8 kg)
32 lb (14.5 kg)
38 lb (17.2 kg)
44 lb (20.0 kg)
50 lb (22.7 kg)
50 lb (22.7 kg)
50 lb (22.7 kg)
Packaging
1000/bkt
1000/bkt
1000/bkt
1000/bkt
1000/bkt
1000/bkt
1000/bkt
1000/bkt
Item Code
W590051200
W590051201
W590051210
W590051211
W590051206
W590051207
W590051208
W590051209

Documents

Document Action
PDS 1030 GENFAST #12 FASTENER Download View
PDS 1031 GENFAST #12 PREASSEMBLED SCREW INSULATION PLATE Download View
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Sample Warranties

TitleLink
Commercial Building Membrane Limited Warranty (Tear-Off Warranty)_Distributors_2021
GenFlex Domestic Warranty Pricing Guide 2025
GenFlex Lifetime Residential Material Limited Warranty
GF-Limited Membrane Only-10-20-Yrs-SAMPLE
Paint Finish Warranty – 35 Yrs – SAMPLE 2008
Roofing System Limited Warranty – 5-20 years – 100 MPH – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 100 MPH – Hail – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 100 MPH – Hail – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 100 MPH – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 55 MPH – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 55 MPH – Hail – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 55 MPH – Hail – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 55 MPH – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 72 MPH – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 72 MPH – Hail – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 72 MPH – Hail – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 72 MPH – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 80 MPH – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 80 MPH – Hail – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 80 MPH – Hail – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 80 MPH – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 90 MPH – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 90 MPH – Hail – CP – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 90 MPH – Hail – SAMPLE 2003
Roofing System Limited Warranty – 5-20 years – 90 MPH – SAMPLE 2003