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FL #

FL47523

Application Type

New

Code Version

2023

Application Status

Approved

*Approved by DBPR. Approvals by DBPR shall be reviewed and ratified by the POC and/or the Commission if necessary.

Comments

Archived

Product Manufacturer

National Nail Corp

Address/Phone/Email

2964 Clydon Ave SW
Grand Rapids, MI 49519
(616) 261-2166
chris_colyn@nationalnail.com

Authorized Signature

Chris Colyn
chris_colyn@nationalnail.com

Technical Representative

Address/Phone/Email

Quality Assurance Representative

Address/Phone/Email

Category

Roofing

Subcategory

Underlayments

Compliance Method

Evaluation Report from a Product Evaluation Entity

Evaluation Entity

NEMO CERT, LLC (Eval)

Quality Assurance Entity

NEMO CERT, LLC (INSPECT)

Quality Assurance Contract Expiration Date

12/31/2030

Validated By

NEMO CERT, LLC (Validation)

Certificate of Independence

FL47523_R0_COI_2024_07_COI_NEMO.pdf

Referenced Standard and Year (of Standard)

Standard	Year
ASTM D1970	2017
ASTM E108	2017

Equivalence of Product Standards
Certified By

Sections from the Code

Product Approval Method

Method 1 Option C

Date Submitted

06/20/2025

Date Validated

06/20/2025

Date Pending FBC Approval

Date Approved

06/26/2025

Summary of Products


FL #	Model, Number or Name	Description
47523.1	EXOSTKG 52 mils	Self-adhering, SBS modified bitumen roof underlayment
Limits of Use Approved for use in HVHZ: Yes Approved for use outside HVHZ: Yes Impact Resistant: N/A Design Pressure: N/A Other: See NER Section 4 for Limits of Use		Installation Instructions FL47523_R0_II_2025_06_20_FINAL_NER-NN-001_FL47523.pdf Verified By: NEMO CERT, LLC (Eval) Created by Independent Third Party: Evaluation Reports FL47523_R0_AE_2025_06_20_FINAL_NER-NN-001_FL47523.pdf

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