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| 20663.1 |
GAF Liquid Applied Roof Systems (HVHZ) |
Liquid applied roof systems for use in FBC HVHZ jurisdictions. |
Limits of Use
Approved for use in HVHZ: Yes
Approved for use outside HVHZ: No
Impact Resistant: N/A
Design Pressure: +N/A/-1237.5
Other: 1.) The design pressure in this application pertains to one system. Refer to ER Appendix for all systems and maximum allowable design pressures. 2.) Refer to ER Section 5 for Limits of Use |
Installation Instructions
FL20663_R27_II_2026_08_18_FINAL_A1_PEER-GAF-006.B_HVHZ_FL20663-R27.pdf
Verified By: Robert Nieminen PE-59166
Created by Independent Third Party: Yes
Evaluation Reports
FL20663_R27_AE_2026_08_18_FINAL_PEER-GAF-006.B_HVHZ_FL20663-R27.pdf
Created by Independent Third Party: Yes |
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| 20663.2 |
GAF Liquid Applied Roof Systems (NON-HVHZ) |
Liquid applied roof systems for use in FBC NON-HVHZ jurisdictions |
Limits of Use
Approved for use in HVHZ: No
Approved for use outside HVHZ: Yes
Impact Resistant: N/A
Design Pressure: +N/A/-1237.5
Other: 1.) The design pressure in this application pertains to one system. Refer to ER Appendix for all systems and maximum allowable design pressures.
2.) Refer to ER Section 5 for Limits of Use. |
Installation Instructions
FL20663_R27_II_2026_08_18_FINAL_A1_PEER-GAF-006.A_NON-HVHZ_FL20663-R27.pdf
Verified By: Robert Nieminen PE-59166
Created by Independent Third Party: Yes
Evaluation Reports
FL20663_R27_AE_2026_08_18_FINAL_PEER-GAF-006.A_NON-HVHZ_FL20663-R27.pdf
Created by Independent Third Party: Yes |
