UNDERSTANDING DIFFICULT CRITICAL TRANSITIONS OF AVB SYSTEMS
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- Avice Pitts
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1 UNDERSTANDING DIFFICULT CRITICAL TRANSITIONS OF AVB SYSTEMS COREY S ZUSSMAN AIA, NCARB, ALA, REWC, RWC, RRO, CDT, CQM, LEED AP BD+C PEPPER CONSTRUCTION
2 Air Barrier Association of America (ABAA) is a Registered Provider with The American Institute of Architects Continuing Education Systems. Credit earned on completion of this program will be reported to CES Records for AIA members. Certificates of Completion for non-aia members are available on request. This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.
3 Course Description This presentation will identify the many difficult critical transitions on complex building types and will give the tools to better understand the reasoning and sequencing needed to complete the installation in order to prevent constructability issues and potential rework in the field through drawing detailing and correlating construction photos of actual installations and explanations of each conditions. Learning Objectives 1. Identify locations of difficult critical transitions regarding the installation of the air, vapor, and moisture barrier through construction drawings and correlating photos of correct and incorrect installations. 2. Confidently review drawings and in-place work through an understanding of the detailing needed to be located on the drawings and in the field. 3. Learn how to prevent constructability issues during design development and create an action plan for each condition for construction regarding the installation of the air, vapor, and moisture barriers. 4. Apply the understanding of the installation of the air, vapor, and moisture barriers concerns to the field during the site observation review. 3
4 Review the job specific details
5 5
6 Among the most significant challenges for designers and installers today, is the use of unlike materials with questionable compatibility and lack of proper installation execution to form a continuous air barrier 6
7 DURABILITY CONTINUAL STRUCTURAL SUPPORT PREVENTS THE VIBRATION OF THE MEMBRANE, WHICH WILL LEAD TO FAILURE. REQUIREMENT OF AN AIR BARRIER CONTINUITY SIX SIDES OF INSTALLATION COMPATIBILITY WITH ADJACENT MATERIALS A PRODUCT THAT THE MANUFACTURE DECLARES AND HAS INSTALLATION INSTRUCTIONS AS AN AIR AND/OR VAPOR BARRIER 7
8 Sample Footer Text 5/23/2018 8
9 WHAT IS WRONG HERE? 9
10 CURTAINWALL INSTALLATION
11 CURTAINWALL INSTALLATION 11
12 JAMB / ETA INSTALLATION
13 JAMB / ETA INSTALLATION 13
14 JAMB / ETA INSTALLATION 14
15 JAMB / ETA INSTALLATION 15
16 JAMB / ETA INSTALLATION 16
17 THERMAL BREAK LOCATION LOCATION OF AIR BARRIER & THERMAL BREAK IS EXTREMELY IMPORTANT WRONG SIDE OF INSULATION COULD CREATE CONDENSATION IN COLD CLIMATES WARM INTERIOR AIR BYPASSES THE INSULATION AND COOLS, CONDENSING ON THE AIR BARRIER LEAVING MOISTURE ON THE INTERIOR SIDE OF THE AIR BARRIER AND POTENTIALLY GETTING INTO THE BUILDING LOCATION OF THE THERMAL BREAK MUST BE WITH-IN THE WARM SIDE OF THE WALL IF ON THE COLD SIDE, THE ALUMINUM WILL 17 BE COLD ON BOTH SIDES OF THE THERMAL BREAK.
18 THERMAL BREAK LOCATION 18
19 THERMAL BREAK LOCATION PRIMARY SEALANT AVB MEMBRANE 19
20 THERMAL BREAK LOCATION PRIMARY SEALANT AVB MEMBRANE ENGINEERED TRANSITION ASSEMBLY (ETA) SPRAY POLYURETHANE FOAM 20
21 THERMAL BREAK LOCATION 21
22 WINDOW/METAL PANEL DETAILING
23 WINDOW/METAL PANEL DETAILING 23
24 WINDOW/METAL PANEL DETAILING 24
25 METAL PANEL /CURTAINWALL DETAILING 25
26 METAL PANEL /CURTAINWALL DETAILING 26
27 METAL PANEL /CURTAINWALL DETAILING SEALANT & BACKER ROD (PRIMARY) OR ETA SEALANT & BACKER ROD (WEATHER JOINT) RECEIVER TYPE FLASHING FASTENED BELOW ETA REVISED TRIM ROOF AIR & VAPOR BARRIER 27
28 ROOFING/WINDOW DETAILING
29 ROOFING/WINDOW DETAILING
30 ROOFING/WINDOW DETAILING METAL ROOF FLASHING GLAZED INTO FRAME SEALANT AVB TRANSITION MEMBRANE ROOFING MEMBRANE ONTO AVB TRANSITION 4-6 ROOF VAPOR BARRIER
31 CURTAINWALL RAILING DETAILING
32 CURTAINWALL RAILING DETAILING
33 CURTAINWALL RAILING DETAILING SOLID TUBE WITH CLOSED ENDS METAL FLASHING RECEIVER AVB TRANSITION MEMBRANE ROOF MEMBRANE ONTO AVB TRANSITION 4-6 FLEXIBLE UNCURED MEMBRANE ROOF VAPOR BARRIER
34 SHELF ANGLE DETAILING
35 SHELF ANGLE DETAILING
36 SHELF ANGLE DETAILING
37 SHELF ANGLE DETAILING RIGID INSULATION AVB MEMBRANE AND BRIDGING, WITH MEMBRANE OVER BRIDGING OPEN ENDS! MEMBRANE BRIDGING CONDENSATION POTENTIAL INTO BUILDING
38 SHELF ANGLE DETAILING AVB MEMBRANE DOWN TO LINTEL MASONRY FLASHING, BRIDGING, & SEALANT SPF INSULATION UNDER BRIDGING FILLING GAP
39 SHELF ANGLE DETAILING 39
40 SHELF ANGLE DETAILING 40
41 SHELF ANGLE DETAILING 41
42 SHELF ANGLE DETAILING 42
43 SHELF ANGLE DETAILING & WALL EJ WALL EJ
44 SHELF ANGLE DETAILING & WALL EJ AVB MEMBRANE SPF INSULATION OR MINERAL WOOL CUT THE STEEL SHORT OF THE EJ LOCATION WALL EJ PRECURED SILICONE ETA RIGID INSULATION WILL NEED TO BE RABBETED FOR PROPER MOVEMENT AVB MEMBRANE
45 45 SHELF ANGLE DETAILING & WALL EJ
46 SHELF ANGLE CONCERNS
47 CLEARANCE CHALLENGES 47
48 CLEARANCE CHALLENGES 48
49 CLEARANCE CHALLENGES 49
50 FIREPROOFING SOFFIT CONCERNS
51 FIREPROOFING SOFFIT CONCERNS 51
52 FIREPROOFING SOFFIT CONCERNS 52
53 FIREPROOFING SOFFIT CONCERNS 53
54 CURTAINWALL SOFFIT DETAILING NO CLEAR AVB LINE OF CONTINUITY NO CONTROL OF COLD IN VERTICAL TUBES WET/DRY SIDE OF CURTAINWALL ISSUE COLD BOTTOM HORIZONTAL MULLION
55 ADD RIGID INSULATION AT BOTTOM, RUN MINERAL OR SPF IN VERTICAL, CLOSE OFF VERTICAL AT BOTTOM CURTAINWALL SOFFIT DETAILING GLAZE IN BOTTOM TRIM AROUND INSULATION, INSTALL ETA AT ALL JOINTS IN TRIM; AS METAL TRIM BECOMES AVB MEMBRANE ADD FRAMING AND SHEATHING AS REQUIRED FOR AVB INSTALL INSTALL SEALANT JOINT OR ETA AT AVB LINES FOR WINDOW AND SOFFIT
56 SOFFIT DETAILING 56
57 ROOFING, TURNED DOWN SOFFIT DETAILING TRANSITION MEMBRANE UNDER ROOFING AND UNDER AVB 4-6 AVB MEMBRANE ADDED FRAMING AND SHEATHING ADDED WOOD BLOCKING AND METAL TRIM AVB EXPANSION JOINT PER MANUFACTURER 57
58 PARAPET
59 PARAPET
60 PARAPET
61 PARAPET
62 PARAPET
63 AIR BARRIER HORIZONTAL ISSUES 63
64 AIR BARRIER HORIZONTAL ISSUES
65 AIR BARRIER HORIZONTAL ISSUES
66 AIR BARRIER HORIZONTAL ISSUES SEALANT METAL FLASHING WITH BUILT-IN TERMINATION AIR BARRIER MEMBRANE
67 SLOPED ROOF TO WALL TRANSITION 67
68 SLOPED ROOF TO WALL TRANSITION 68
69 SLOPED ROOF TO WALL TRANSITION AVB TRANSITION MEMBRANE MASONRY FLASHING ROOF & WALL AVB MEMBRANE ROOFING MEMBRANE OVERLAPPED THE AVB TRANSITION MEMBRANE ROOFING VAPOR BARRIER POTENTIAL AVB MEMBRANE LOCATION GROUT SOLID UNDER THE AVB MEMBRANE 69
70 METAL PANEL /ROOFING DETAILING 70
71 METAL PANEL /ROOFING DETAILING 71
72 METAL PANEL /ROOFING DETAILING ROOFING AVB TRANSITION MEMBRANE METAL PANEL FRONT FACE AVB PLANE METAL PANEL BACK FACE AVB PLANE 72
73 ROOF TO WALL TRANSITION 73
74 ROOF TO WALL TRANSITION 74
75 ROOF TO WALL TRANSITION SEALANT RECEIVER FLASHING WITH BUILT-IN TERMINATION BY ROOFER, INSTALLED BY AVB CONTRACTOR ROOFING ACTING AS AIR BARRIER LAP ON TO TRANSITION MEMBRANE 4-6 AIR/VAPOR BARRIER -LAP ON TO TRANSITION MEMBRANE 4-6 TRANSITION MEMBRANE ROOF VAPOR BARRIER 75
76 ROOF TO WALL TRANSITION
77 ROOF TO WALL TRANSITION SEALANT RECEIVER FLASHING WITH BUILT-IN TERMINATION BY ROOFER, INSTALLED BY AVB CONTRACTOR ROOFING ACTING AS AIR BARRIER LAP ON TO TRANSITION MEMBRANE 4-6 AIR/VAPOR BARRIER -LAP ON TO TRANSITION MEMBRANE 4-6 TRANSITION MEMBRANE ROOF VAPOR BARRIER
78 ROOF & SKYLIGHT DETAILING 78
79 ROOF & SKYLIGHT DETAILING
80 ROOF & SKYLIGHT DETAILING AVB TRANSITION MEMBRANE ROOFING MEMBRANE OVERLAPPING THE AVB TRANSITION 4-6 WOOD BLOCKING ROOF VAPOR BARRIER
81 SLOPED ROOF TO WALL DETAILING 81
82 SLOPED ROOF TO WALL DETAILING 82
83 SLOPED ROOF TO WALL DETAILING ROOF AVB MEMBRANE AVB TRANSITION MEMBRANE ADDED SHEATHING FOR AVB INSTALLATION AVB MEMBRANE 83
84 LARGE ROOF OVERHANGS 84
85 LARGE ROOF OVERHANGS
86 LARGE ROOF OVERHANGS
87 LARGE ROOF OVERHANGS 87
88 SCUPPER DETAILING 88
89 SCUPPER DETAILING 89
90 SCUPPER DETAILING TRANSITION MEMBRANE ROOFING FLASHING ONTO SCUPPER METAL ROOFING FLASHED ONTO SCUPPER METAL AVB MEMBRANE INTO OPENING AND UP BACK OF PARAPET 6-8 FOR PROPER ROOFING OVERLAP SCUPPER METAL ROOFING ONTO AVB MEMBRANE 4-6 TRANSITION MEMBRANE AVB MEMBRANE 90
91 DETAILS AT EXISTING BUILDINGS
92 DETAILS AT EXISTING BUILDINGS
93 DETAILS AT EXISTING BUILDINGS
94 COMPATIBILITY AT TRANSITIONS
95 COMPATIBILITY AT TRANSITIONS
96 COMPATIBILITY AT TRANSITIONS AVB MEMBRANE UNDER METAL ROOF TRANSITION AVB MEMBRANE (BUTYL BASED OR COMPATIBLE MEMBRANE UNDER AND OVER ROOF MEMBRANE ROOF MEMBRANE
97 CURTAINWALL / STOREFRONT ATTACHMENT
98 98
99 99
100 CMU FLOOR CONTROL JOINT 100
101
102 102
103 103
104 104
105 ROOF DOOR ACCESS
106 106
107
108 GUTTER / FASCIA CONCERNS
109 GUTTER / FASCIA CONCERNS
110 GUTTER / FASCIA CONCERNS
111 GUTTER / FASCIA CONCERNS
112 GUTTER / FASCIA CONCERNS 112
113 WINDOW DETAILING
114
115 Problems/ concerns might initially appear very large in the beginning of the conversation At the end of the meeting, the concerns are typically small and manageable It s all about perspective, openness to conversation, and mutual problem solving
116 This concludes The American Institute of Architects Continuing Education Systems Course COREY S ZUSSMAN AIA, NCARB, ALA, REWC, RWC, RRO, CDT, CQM, LEED AP BD+C 411 LAKE ZURICH ROAD, BARRINGTON, IL CZUSSMAN@PEPPERCONSTRUCTION.COM