Description
Book SynopsisThe definitive guide to understanding and managing the effects of water on buildings Water in Buildings: An Architect's Guide to Moisture and Mold is a detailed and highly useful reference to help architects and other design professionals create dry, healthy environments, without jeopardizing a project with poor liability management.
Table of ContentsPreface xi
Introduction 1
Aim 1
Audience 3
Sources 5
Language 9
Units 10
Summaries of chapters 12
1 Building Science 15
Definition 15
Background: Building science Institutions 16
Building science and architecture 18
Building science and construction 19
Building science and engineering 20
Building science and the building codes 21
The methods of building science 22
The prerequisites of building science 25
2 Water 33
Molecular structure 33
Hydrogen bonds 35
Surface tension 36
Water vapor 37
Psychrometrics 45
Measuring temperature and humidity in the air 50
The fourth phase: an introduction 51
3 Water And Building Materials 57
Background 57
Post–world war ii 66
1952 condensation conference 68
The diffusion paradigm 70
The profile method 78
Fundamental rule of material wetness 87
Rethinking moisture control strategies: Moisture engineering 88
4 Roofs and Facades 95
Introduction 95
Rainfall intensity, slope, and watertightness 95
Roof surfaces 99
Ice dams 113
Parapets 118
Gutters 119
Building facades 121
Windows 130
Summary 131
5 Soils and Foundations 133
Water in soil 135
Hydraulic conductivity 142
Surface flow144
Drains 145
Basements 152
Crawl spaces 158
Slab construction 166
6 Walls 171
Introduction 171
Thermal wetting and drying 173
Solar vapor drive 174
Airflow in wall assemblies 175
Vapor barriers: Compact and cavity assemblies 178
Vapor retarder 179
Design for drying or against wetting? 182
Insulating historic buildings 184
Rising damp 185
7 Attics 189
Introduction 189
Historical background 190
Moisture 199
Ice damming 202
Shingle durability 203
Summer cooling 204
Vent design 204
Truss rise 205
Summary 206
8 Mechanical Systems 209
Comfort 209
Humidity standards for museums 212
Characterizing humidity 216
Moisture generation 217
Ventilation 220
Combustion 220
Air conditioning 226
Plumbing and pipe bursting 228
9 Rot And Mold 233
Introduction 233
Mold 235
Mold measurement 237
Dry deposition of mold material 240
Health effects of mold 241
Mold remediation 247
Summary and final comments 248
Appendix A ASHRAE Coefficients 253
Appendix B Unit Conversions 255
References 257
Index 265
