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Product Approval Menu > Application Detail

FL #

FL47973

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

Westlake Royal Building Products

Address/Phone/Email

2801 Post Oak Blvd.
Suite 600
Houston, TX 77056
(662) 705-0610
shathorn@westlake.com

Authorized Signature

Stan Hathorn
shathorn@westlake.com

Technical Representative

Address/Phone/Email

Quality Assurance Representative

Address/Phone/Email

Category

Panel Walls

Subcategory

Siding

Compliance Method

Evaluation Report from a Product Evaluation Entity

Evaluation Entity

ICC Evaluation Service, LLC

Quality Assurance Entity

ICC Evaluation Service

Quality Assurance Contract Expiration Date

07/01/2026

Validated By

ICC Evaluation Services, LLC

Certificate of Independence

FL47973_R0_COI_Certification of Independence for Evaluation 2024.pdf

Referenced Standard and Year (of Standard)

Standard	Year
ASTM D7254	2017
TAS 202	1994
TAS 203	1994

Equivalence of Product Standards
Certified By

Sections from the Code

Product Approval Method

Method 1 Option C

Date Submitted

01/14/2026

Date Validated

03/24/2026

Date Pending FBC Approval

Date Approved

03/27/2026

Summary of Products


FL #	Model, Number or Name	Description
47973.1	Portsmouth Siding (Various Profiles)	Portsmouth D7, Portsmouth S9, Portsmouth S7
Limits of Use Approved for use in HVHZ: No Approved for use outside HVHZ: Yes Impact Resistant: N/A Design Pressure: N/A Other: See Installation Instructions and Evaluation Report for allowable design pressures, sizes, configurations, installation requirements and limits of use.		Installation Instructions FL47973_R0_II_ESR-2888.pdf Verified By: ICC Evaluation Service, LLC Created by Independent Third Party: Evaluation Reports FL47973_R0_AE_ESR-2888.pdf

47973.2	Portsmouth Siding (Various Profiles)	Portsmouth T5
Limits of Use Approved for use in HVHZ: No Approved for use outside HVHZ: Yes Impact Resistant: Yes Design Pressure: N/A Other: See Installation Instructions and Evaluation Report for allowable design pressures, sizes, configurations, installation requirements and limits of use.		Installation Instructions FL47973_R0_II_ESR-3070.pdf Verified By: ICC Evaluation Service, LLC Created by Independent Third Party: Evaluation Reports FL47973_R0_AE_ESR-3070.pdf

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