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Product Approval Menu > Application Detail

FL #

FL1250-R12

Application Type

Revision

Code Version

2026

Application Status

Approved

Comments

Archived

Product Manufacturer

Georgia Pacific-Gypsum

Address/Phone/Email

2861 Miller Road
Decatur, GA 30035
(770) 987-5190 Ext 110104
sam.turetsky@gapac.com

Authorized Signature

Sam Turetsky
sam.turetsky@gapac.com

Technical Representative

Rathisha Sabaratnam

Address/Phone/Email

2861 Miller Rd
Decatur, GA 30035
(470) 381-4026
rathisha.sabaratnam@gapac.com

Quality Assurance Representative

Address/Phone/Email

Category

Roofing

Subcategory

Roofing Insulation

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

FL1250_R12_COI_CoI_CREEK Technical Services_2025.pdf

Referenced Standard and Year (of Standard)

Standard	Year
ASTM C1177	2024
FM 4470	2022

Equivalence of Product Standards
Certified By

Sections from the Code

Product Approval Method

Method 1 Option D

Date Submitted

08/18/2026

Date Validated

08/23/2026

Date Pending FBC Approval

09/01/2026

Date Approved

10/13/2026

Summary of Products


FL #	Model, Number or Name	Description
1250.1	DensDeck Prime Roof Board	1/4", 1/2" and 5/8" thick glass mat faced gypsum product
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 evaluation report for limits of use.		Installation Instructions FL1250_R12_II_GP18002.3 2026 FBC Eval DensDeck final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL1250_R12_AE_GP18002.3 2026 FBC Eval DensDeck final.pdf Created by Independent Third Party: Yes

1250.2	DensDeck ProFast Prime Roof Board	3/8" thick glass mat faced gypsum product
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 evaluation report for limits of use.		Installation Instructions FL1250_R12_II_GP18002.3 2026 FBC Eval DensDeck final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL1250_R12_AE_GP18002.3 2026 FBC Eval DensDeck final.pdf Created by Independent Third Party: Yes

1250.3	DensDeck Roof Board	1/4", 1/2" and 5/8" thick glass mat faced gypsum product
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 evaluation report for limits of use.		Installation Instructions FL1250_R12_II_GP18002.3 2026 FBC Eval DensDeck final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL1250_R12_AE_GP18002.3 2026 FBC Eval DensDeck final.pdf Created by Independent Third Party: Yes

1250.4	DensDeck StormX Prime Roof Board	5/8" thick glass mat faced gypsum product
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 evaluation report for limits of use.		Installation Instructions FL1250_R12_II_GP18002.3 2026 FBC Eval DensDeck final.pdf Verified By: Zachary R. Priest PE-74021 Created by Independent Third Party: Yes Evaluation Reports FL1250_R12_AE_GP18002.3 2026 FBC Eval DensDeck final.pdf Created by Independent Third Party: Yes

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