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FL #

FL18389-R4

Application Type

Revision

Code Version

2026

Application Status

Approved

Comments

Archived

Product Manufacturer

National Gypsum Company a dba of National Gypsum Services Company

Address/Phone/Email

2001 Rexford Road
Charlotte, NC 28211
(704) 458-2012
mnblades@nationalgypsum.com

Authorized Signature

Michael Blades
mnblades@nationalgypsum.com

Technical Representative

Address/Phone/Email

Quality Assurance Representative

Address/Phone/Email

Category

Structural Components

Subcategory

Structural Wall

Compliance Method

Evaluation Report from a Florida Registered Architect or a Licensed Florida Professional Engineer
Evaluation Report - Hardcopy Received

Florida Engineer or Architect Name who developed the Evaluation Report

Zachary R. Priest

Florida License

PE-74021

Quality Assurance Entity

UL LLC

Quality Assurance Contract Expiration Date

12/31/2029

Validated By

Steven M. Urich, PE

Validation Checklist - Hardcopy Received

Certificate of Independence

FL18389_R4_COI_CoI_CREEK Technical Services_2025.pdf

Referenced Standard and Year (of Standard)

Standard	Year
ASTM C 1177	2024
ASTM E 136	2019
ASTM E 330	2014
ASTM E 84	2024

Equivalence of Product Standards
Certified By

Sections from the Code

Product Approval Method

Method 1 Option D

Date Submitted

07/31/2026

Date Validated

08/03/2026

Date Pending FBC Approval

08/04/2026

Date Approved

10/13/2026

Summary of Products


FL #	Model, Number or Name	Description
18389.1	Gold Bond eXP Sheathing	ASTM E 136 gypsum sheathing conforming to the requirements of ASTM C 1177
Limits of Use Approved for use in HVHZ: No Approved for use outside HVHZ: Yes Impact Resistant: N/A Design Pressure: +21.6/-21.6 Other: See evaluation report for limits of use.		Installation Instructions FL18389_R4_II_NGC15001.4 2026 FBC Eval eXP final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL18389_R4_AE_NGC15001.4 2026 FBC Eval eXP final.pdf Created by Independent Third Party: Yes

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