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Product Approval Menu > Application Detail

FL #

FL18399-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

Panel Walls

Subcategory

Exterior Insulation Finish System

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

08/10/2029

Validated By

Steven M. Urich, PE

Validation Checklist - Hardcopy Received

Certificate of Independence

FL18399_R4_COI_CoI_CREEK Technical Services_2025.pdf

Referenced Standard and Year (of Standard)

Standard	Year
ANSI A118.1	2019
ANSI A118.4	2019
ASTM C 473	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
18399.1	PermaBase Cement Board	Exterior backer board for use with tile, marble stone, thin brick, Portland cement stucco, synthetic stucco, and manufactured stones.
Limits of Use Approved for use in HVHZ: No Approved for use outside HVHZ: Yes Impact Resistant: N/A Design Pressure: +34/-34 Other: See evaluation report for limits of use.		Installation Instructions FL18399_R4_II_NGC15002.4 2026 FBC Eval PermaBase final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL18399_R4_AE_NGC15002.4 2026 FBC Eval PermaBase final.pdf Created by Independent Third Party: Yes

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