B08_Attachment_4_Pipe_Penetration_Membrane-Roof.pdf
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- Attached to
- REPLACE METER BASES & PANELS AT CAPEHART Federal contract opportunity
- Solicitation number
- 140P8624R0007
About this file
This document appears to be a manufacturer's guide detail for installing a silicone roof coating around a plumbing vent or pipe penetration on a membrane roof. The details specify the required materials and installation procedures, including the use of a stain-blocking primer for existing modified bitumen or built-up roofing substrates. The document provides notes regarding acceptable substrates, completion of all detailing prior to coating installation, and reference to the manufacturer's warranty requirements. This appears to be a technical installation guide rather than a federal contract opportunity document.
The associated federal contract opportunity is a solicitation from the Department of the Interior National Park Service Pacific West Region to REPLACE METER BASES & PANELS AT CAPEHART. The solicitation number is 140P8624R0007, and the opportunity type is a Solicitation. No additional details about the contract requirements, pricing, or other terms are provided in the information given.
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Text version
EXISTING PIPE PENETRATION FLASHING
EXISTING PREVIOUSLY COATED OR
NON-COATED ROOFING ASSEMBLY
EXISTING PIPE
PRO-GRADE
(STAIN BLOCKING PRIMER REQUIRED FOR
EXISTING MB/BUR ROOFS -SEE NOTE #2)
PRETREAT CORNER AT PIPE UPTURN PRIOR TO
COATING INSTALLATION USING ONE OF THE
METHODS BELOW:
(STAIN BLOCKING PRIMER REQUIRED FOR
EXISTING MB/BUR ROOFS -SEE NOTE #2)
· SEALANT (125 WET MILS)
- PRO-GRADE
- PRO-GRADE
- PRO-GRADE
· REINFORCED COATING (32 WET MILS)
EXTEND PRO-GRADE
988 ONTO EXISTING
PIPE PENETRATION FLASHING COMPLETELY
ENCAPSULATING ALL SURFACES
2"
MIN
2"
MIN
999 N. Sepulveda Blvd., Suite 800
El Segundo, CA 90245
800-486-1278 www.henry.com
SCALE: N.T.S. 06-20-2017
MANUFACTURER GUIDE DETAILS ARE FOR REFERENCE ONLY. HENRY
DOES NOT ASSUME RESPONSIBILITY FOR ERRORS OR
DEVIATIONS IN DESIGN OR ENGINEERING. PROJECT SPECIFIC VERIFICATION IS RECOMMENDED PRIOR TO INSTALLATION.
PLUMBING VENT OR PIPE PENETRATION
ON A MEMBRANE ROOF
NOTES:
1. DETAIL SHOWS PRO-GRADE
988 INSTALLED OVER AN EXISTING PREVIOUSLY COATED OR NON-COATED ROOFING
ASSEMBLY. ACCEPTABLE SUBSTRATES INCLUDE GRANULATED OR SMOOTH SURFACED MODIFIED BITUMEN (MB), SMOOTH SURFACED ASPHALT BUILT-UP ROOFING (BUR), AGED EPDM, PVC, HYPALON
OR TPO.
2. INSTALL PRO-GRADE
294 STAIN BLOCKING PRIMER ONTO EXISTING MB/BUR ROOF PRIOR TO FLASHING/COATING
INSTALLATION (STAIN BLOCKING PRIMER NOT SHOWN FOR CLARITY).
3. COMPLETE ALL DETAILING PRIOR TO INSTALLATION OF ROOF COATING.
4. DECK AND EXISTING ROOFING ASSEMBLY SHOWN ARE FOR REFERENCE ONLY.
5. REFER TO PRO-GRADE
988 GUIDE SPECIFICATION, INSTALLATION MANUAL AND/OR APPLICATION GUIDE FOR
RECOMMENDED INSTALLATION PROCEDURES.
6. REFER TO PRO-GRADE
988 WARRANTY CHART FOR SUBSTRATE SPECIFIC FIELD COATING MINIMUM
REQUIREMENTS.
PRO-GRADE
988 SILICONE ROOF COATING
PIPE PENETRATION
PG988-7A
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