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INTEGRATED BUILDING ENVELOPE™ HANDBOOK
Connections with Exterior Wall Assemblies

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Contents Page #
  Introduction 2
Section One Through Wall Flashing (TWF) Overview  
  Through Wall Flashing (TWF) Defined 3-4
  Where to Locate Through Wall Flashings 5-6
  Preparing Surfaces to Receive Adhesive Backed Flashing 7
  Note on Use of Metal Drip Edges and 1-inch Counters with TWF 7
  Overview of Masonry Cavity Wall Construction and Materials 8
Section Two Masonry Through Wall Flashing Details  
 
1.
Masonry Cavity Wall Consturction at Ledges and Ledge Risers 9-18
 
2.
TWF Masonry Veneer Wall to Slab Interfaces 22-24
 
3.
TWF Masonry Veneer Sills or Thresholds for Non-Flanged Windows or Doors 25-26
 
4.
TWF Masonry Veneer Sills or Thresholds for Flanged Windows or Doors 27-32
 
5.
TWF Single Wythe* Masonry Sills or Thresholds for Non-Flanged Wondows or Doors 33-35
 
6.
TWF Masonry Veneer Above Lintels 36-41
 
7.
TWF Masonry Veneer for Non-Flanged Windows or Doors and TWF for Shelf Angles 42-48
 
8.
TWF Single Wythe* Masonry Heads for Non-Flanged Windows or Doors 49-51
 
9.
TWF Masonry Veneer Wall to Roof Intersections 52-67
 
10.
TWF Masonry Parapet Wall to Roof Intersections 68-70
 
11.
TWF Masonry Veneer to Deck Framing 71-73
 
12.
TWF Masonry Chimney Caps 74
Section Three
Applied Exterior Finish Through Wall Flashing Details
 
13.
TWF the Above Grade Joint Between Aligned Foundation and Upper Walls 76-78
 
14.
TWF Applied Exterior Finish to Slab Interfaces 79-82
 
15.
TWF Applied Exterior Finish Sills or Thresholds for Non-Flanged Windows or Doors 83-85
 
16.
TWF Applied Exterior Finish Sills or Thresholdsfor Flanged Windows or Doors 86-91
 
17.
TWF Applied Exterior Finish Heads for Non-Flanged Windows or Doors 92-96
 
18.
TWF Applied Exterior Finish Heads for Flanged Windows or Doors 97-100
 
19.
TWF Applied Exterior Finish Wall to Roof Intersections 101-105
 
20.
TWF Applied Exterior Finish Wall to Deck Framing 106-109
Section Four Perimeter Flashing Window and Door Details
 
21A.
Perimeter Flashing a Framed Rough Opening or Masonry Back Up Wall to Receive a Non-Flanged Window or Door 112-120
 
21B.
Head Flashing a Framed or Masonry Back Up Arch to Receive a Non-Flanged Window or Door 121-135
 
22A.
Perimeter Flashing a Single Wythe Masonry Rough Opening to Receive a Non-Flanged Window or Door 136
 
22B.
Head Flashing a Single Wythe Masonry Rough Opening Arch to Receive a Non-Flanged Window or Door 137
 
23A.
Perimeter Flashing a Flanged Window or Door 138-140
 
23B.
Head Flashing a Flanged Window or Door Arch 140-145
Section Five
Miscellaneous Flashings
 
24.
Field Forming TWF Inside Corners 148-151
 
25.
Field Frming TWF Outside Corners 152-156
 
26.
Wall Penetration Flashing 157
 
26A.
Flashing Round Wall Penetrations 158-159
 
26B.
Flashing Multiple Wire Wall Penetrations 160-161
 
26C.
Flashing Rectangular Wall Penetrations 162-163
 
27.
TWF HVAC Exterior Wall Sleeves 164-171
 
28.
TWF Interfacing Exterior Finishes 172-181
 
29.
TWF Circular Fixtures 182-191
* A wythe is a continuous vertical section of masonry one unit in thickness.

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