A0002 SHEET A006.pdf
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- Attached to
- AIT Barracks Fort Eustis VA (Amendment 0004) Federal contract opportunity
- Solicitation number
- W9123620B0015
About this file
This document contains construction drawings and details for an air barrier system at AIT Barracks at Fort Eustis in Virginia. The drawings show installation details for a self-adhered membrane air barrier at the top of exterior walls, window jambs, heads and sills. They also provide notes on sequencing the air barrier installation at wall tops, installing roof trusses, inspecting and repairing membrane flashing, installing gypsum board ceilings and sealing joints. The related federal contract opportunity is solicitation number W9123620B0015 to construct Phase 4 of the AIT Barracks Complex at Fort Eustis. Interested offerors should contact the specified Army Corps of Engineers district personnel for access to the drawings.
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Text version
SELF-ADHERING MEMBRANE AIR BARRIER
OVERLAP MIN. 9" EACH DIRECTION. SECURE
ADHESIVE TO TOP OF WALL AND TOP OF GWB
CEILINGS FROM ATTIC SIDE.
SPRAY FOAM INSULATION TO SEAL ALL GAPS.
(INSTALL IN ALL AREAS WITH FINISHED CEILINGS BELOW)
GWB AIR BARRIER FASTENED TO UNDERSIDE OF STEEL TRUSSES
GWB SHALL BE TAPED, PAINTED AND FULLY SEALED AT ALL
JOINTS AND PENETRATIONS TO MAINTAIN AIR BARRIER
REQUIREMENTS. REFERENCE AIR BARRIER SPECIFICATIONS FOR
MORE INFORMATION.
SPRAY FOAM INSULATION AIR BARRIER
BACKER ROD + COLORED AIR BARRIER SEALANT.
(INSPECT PRIOR TO INSTALLATION OF GWB WALLS)
SELF-ADHERING MEMBRANE AIR BARRIER
OVERLAP MIN. 9" BEHIND SPRAY FOAM INSULATION
AND WRAP ENTIRE WINDOW OPENING
BACKER ROD + AIR BARRIER SEALANT
SPRAY FOAM INSULATION AIR BARRIER
SELF-ADHERING MEMBRANE AIR BARRIER
OVERLAP MIN. 9" BEHIND SPRAY FOAM INSULATION
AND WRAP ENTIRE WINDOW OPENING
BACKER ROD + AIR BARRIER SEALANT
SPRAY FOAM INSULATION AIR BARRIER
SELF-ADHERING MEMBRANE AIR BARRIER
OVERLAP MIN. 9" BEHIND SPRAY FOAM INSULATION
AND WRAP ENTIRE WINDOW OPENING
BACKER ROD + AIR BARRIER SEALANT
SPRAY FOAM INSULATION AIR BARRIER
AIR BARRIER SEQUENCE NOTES
1. INSTALL SELF-ADHERED MEMBRANE AIR BARRIER OVER TOPS OF WALLS AND AT EXTERIOR
WALL PERIMETER PRIOR TO INSTALLATION OF ROOF TRUSSES.
2. INSTALL ROOF TRUSSES AND ASSOCIATED FRAMING.
3. INSPECT THE HANGING SELF-ADHERED MEMBRANE FLASHING FLAPS AND REPAIR/REPLACE
PRIOR TO CEILING GWB INSTALLATION.
4. TACK HANGING SELF-ADHERED MEMBRANE FLASHING FLAPS WITH PAPER FACING STILL ON TO
CFMF TOP TRACK AND UNDERSIDE OF TRUSSES WITH PAPER BACKING (STICKY SIDE) FACING
DOWN.
5. CUT AND POSITION CEILING GWB TO FIT.
6. REMOVE PAPER BACKING TO EXPOSE SELF-ADHERED MEMBRANE FLASHING ADHESIVE FACE.
7. INSTALL GWB CEILING AFTER CLEANING DUST FROM THE TOP SIDE AND EDGES OF GWB.
8. WORKING FROM THE ATTIC SIDE, ROLL DOWN ON SELF-ADHERED MEMBRANE FLASHING FLAPS
TO MAXIMIZE ADHESION TO THE SELF-ADHERING SHEET APPLIED MEMBRANE AIR BARRIER
INSTALLED ON BACK SIDE OF GWB CEILING.
9. REPAIR ANY FISH MOUTHS, WRINKLES AND POOR ADHESION AREAS WITH SPRAY FOAM,
ADHESIVE OR AIR BARRIER SEALANT.
10. FROM THE ROOM SIDE, INSTALL A LIBERAL, CONTINUOUS, TOOLED CAULK BEAD AS INDCATED.
USE COLORED CAULK TO ALLOW FOR READY INSPECTION FROM THE ROOM SIDE. DO NOT USE
WHITE OR CLEAR SEALANT.
11. INSPECT AND DOCUMENT SEALANT APPLICATION PRIOR TO INSTALLATION OF GWB WALL
BOARD.
12. INSTALL ADDITIONAL BACKER ROD AND SEALANT AT WALL/CEILING JOINT FOR A FINISHED
INSTALLATION.
13. WHERE THERE IS A FINISHED CEILING BELOW, OR IN UNFINISHED SPACES, INSTALL SPRAY
FOAM INSULATION AT WALL/CEILING JOINT TO SEAL ANY LEAKS OR IMPERFECTIONS.
TOP OF FOURTH FLOOR/ATTIC US Army Corps of Engineers ®
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SCALE: 3" = 1'-0"4 AIR BARRIER DETAIL - TOP OF EXTERIOR WALL
A-005
SCALE: 3" = 1'-0"2 AIR BARRIER DETAIL - WINDOW JAMB
SCALE: 3" = 1'-0"1 AIR BARRIER DETAIL - WINDOW HEAD
SCALE: 3" = 1'-0"3 AIR BARRIER DETAIL - WINDOW SILL
' '0'
SCALE: 3" = 1' - 0"
6' 12'
NOTE: DETAILS SHOWN FOR AIR BARRIER
CONTINUITY ONLY. REFER TO A-600 SERIES
SHEETS FOR ADDITIONAL INFORMATION.
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| Sheets |
| A-006 - AIR BARRIER DETAILS |
| A-331 - SECTION DETAILS |
| A-332 - SECTION DETAILS |
| A-423 - STAIR DETAILS |
| A-605 - DOOR DETAILS |
File details come from the government source that posted it. Updated .