Outdoor Shutter That Serves a Sloping Window (
and Is Closed by Being Slid Upward I
Along the Window 186 I
Outdoor Shutter That Serves a Slopping Window
and is Closed by Being Unfolded and Moved 1
Upward Along Window 186
Between-Glazing-Sheets Flexible Pad That Serves
a Sloping Window and Is Closed by Being
Unfolded and Slid Upward 186
Indoor Plate That Serves a Sloping Window and
Is Closed by Being Slid Downward 187
Indoor Hinged Pair of Plates That Serve a Tall I
Sloping Window and Are Folded Up and I
Swung Out of the Way During the Day 187 I
Indoor Hinged Plate Serving a Rooftop Monitor
and Skylight 188
Devices That Serve a Trombe Wall 189
Devices That Help Keep Rooms Cool in Summer 189
21 CONCLUSIONS 192
Savings 193
Priorities 193
Choice of Design Approach 193
Buy or Make? 193
Woes Concerning Installing Certain Commercial
Devices 194
Choice of Approaches to Edge Seals 194
Predictions Concerning Goals in Seal Design 195
Great Appeal of Very Lightweight Insulating Plate 196
Fire Hazard Enigma 196
The Future of Roll-Up Shades 197
Suggestions to Homeowners 197
APPENDIXES 199
1 HOW TO MEASURE rnE HEAT-LOSS 201
Between-Glazing Temperature Head Method 201
Outdoor Gland Method 202
Indoor Gland Method 202
Method Applicable to Outdoor Devices and
Between Glazing-Sheets Devices 203
Method Applicable to Single-Glazed Window 203
Crude Absolute Method for Use in Laboratory 203
Other Methods 204
2 SEALS: SOME EXPERIMENT AL
RESULTS 205
Face Seal 205
Overlap Seal Against Sash Frame 206