Accessories / Fasteners

GenFast^™ #15 WH (Washer Head) Fastener

Fastener for securing GenFlex membranes with seam plates or batten strips in EPDM and TPO roofing systems.

Acceptable Systems:

Insulation & Cover Boards
TPO

Overview

GenFast^™ #15 Washer Head (WH) Fasteners are designed for use with GenFlex Polymer Batten Strips or GenFlex (WH) Seam Plates in GenFlex EPDM and TPO mechanically attached roofing systems. These versatile fasteners can be used to attach roofing membranes to approved steel, structural concrete, and wood decks.
Manufactured to meet the physical property requirements of Factory Mutual (FM) Specification #4470, GenFast #15 WH Fasteners deliver consistent performance and holding strength. Available in lengths from 1¼” to 12″ (31.8 mm to 305 mm), they are packaged in white square buckets for easy handling and storage.

Options

Size

Weight

Packaging

Item Code

Size

1-1/4" (32 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)

Weight

14 lb (6.4 kg)

20 lb (9.1 kg)

30 lb (13.6 kg)

38 lb (17.2 kg)

24 lb (10.9 kg)

29 lb (13.2 kg)

34 lb (15.4 kg)

38 lb (17.2 kg)

47 lb (21.3 kg)

56 lb (25.4 kg)

Packaging

1000/bkt

500/bkt

Item Code

W590051500

W590051501

W590051502

W590051503

W590051504

W590051505

W590051506

W590051507

W590051508

W590051509

Documents

Document	Action
PDS 1034 GENFAST #15 PREASSEMBLED SCREW AND PLATE	Download View

No documents found.

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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™ #15 WH (Washer Head) Fastener

Overview

Options

Documents

Videos

Sample Warranties

GenFast^™ #15 WH (Washer Head) Fastener