Accessories / Fasteners

GenFast^™ #14 Fastener

Corrosion-resistant fastener for securing GenFlex membranes or insulation in a variety of roofing systems.

Acceptable Systems:

EPDM
Insulation & Cover Boards
TPO

Overview

GenFast^™ #14 Fasteners are heat-treated steel fasteners coated with a proprietary gray finish that enhances corrosion resistance and long-term performance. Designed for versatility, these fasteners are approved for use in multiple GenFlex roofing systems to attach insulation or membrane when paired with the appropriate GenFlex insulation or seam plate. Installation into steel, wood, and structural concrete substrates is acceptable.
Factory Mutual (FM) approved and manufactured to meet FM Specification #4470, GenFast #14 Fasteners are available in lengths from 1¼” to 16″ (31.8 mm to 406 mm). They are packaged in durable plastic buckets for lengths up to 12″ (305 mm) and cardboard boxes for 14″ (356 mm) and 16″ (406 mm) sizes. Longer lengths are available upon request through GenFlex customer service.

Options

Size

Weight

Packaging

Item Code

Size

1-1/4" (32 mm)

1-3/4" (44 mm)

2" (51 mm)

3" (76 mm)

4" (102 mm)

5" (127 mm)

6" (152 mm)

7" (178 mm)

8" (203 mm)

10" (254 mm)

12" (305 mm)

14" (356 mm)

16" (406 mm)

Weight

12 lb (5.4 kg)

16 lb (7.3 kg)

18 lb (8.2 kg)

26 lb (11.8 kg)

34 lb (15.4 kg)

22 lb (10.0 kg)

26 lb (11.8 kg)

30 lb (13.6 kg)

34 lb (15.4 kg)

40 lb (18.1 kg)

25 lb (11.3 kg)

29 lb (13.2 kg)

37 lb (16.8 kg)

Packaging

1000/bkt

500/bkt

250/bkt

Item Code

W590051412

W590051413

W590051401

W590051402

W590051403

W590051415

W590051416

W590051406

W590051407

W590051408

W590051419

W590051420

W590051411

Documents

Document	Action
PDS 1027 GENFAST #14 FASTENER	Download View
PDS 1033 GENFAST #14 PREASSEMBLED SCREW AND PLATE	Download View

No documents found.

*See the SDS Portal for additional languages.

No videos found.

Sample Warranties

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

GenFast™ #14 Fastener

Overview

Options

Documents

Videos

Sample Warranties

GenFast^™ #14 Fastener