By
David Johnston and Scott Gibson
Building Homes with Energy Efficient "Green"
Building Techniques
Green construction is the building trend of
the decade. In direct response to the growing demand for
sustainable, healthy, and energy-efficient homes, David Johnston and
Scott Gibson present the most forward-thinking theories and the best
proven methods of new and remodeled green construction. They begin
with down-to-earth explanations of green building basics and move on
to site planning, materials selection, energy efficiency, and indoor
air quality -- detailing along the way every step in design and
construction, from framing to finishes.
A must-have reference for contractors who want
to remain competitive, Green from the Ground Up is also a remarkable
resource for homeowners who require the clearest and most thorough
green building information available.
"A refreshing and comprehensive step-by-step
course in green building, packed with both solid building science
and commonsense solutions."
-- Helen English, executive director of the Sustainable Buildings
Industry Council
"Green from the Ground Up overflows with details
and practical content that is hard to find anywhere else--an
essential resource for any building professional that will be a
valuable reference tool for years to come."
-- Brian Gitt, CEO of Build It Green.
About the Authors
David Johnston is a leader in the green building movement,
transforming the way we think about the American home. His approach
to green building has been embraced by building professionals,
municipalities, homeowners, and sustainability advocates nationwide.
He is the founder of
www.whatsworking.com and
www.greenbuilding.com.
Scott Gibson is a freelance writer and contributing editor to
Fine Homebuilding magazine.
Introduction:
My passion for green building is based on
experience. I know that building green results in better houses and
that it improves the lives of the people who live in them, not to
mention the health of our planet.
For 10 years, I ran a construction company in Washington, D.C.,
called Lightworks Construction. We focused on solar construction.
When the solar tax credit expired in 1985, everything changed. The
momentum of the solar industry ground to a halt, and it didn?t get
going again for nearly 20 years. With the financial incentive gone,
we began specializing in building and remodeling super
energy-efficient and innovative houses, offices, and restaurants.
Our job was to over-deliver and delight our clients by transforming
their homes and offices into more comfortable, efficient spaces.
Although the term had not yet been coined, we were pioneers in what
is now known as "green building."
In 1992, I sold my construction company and set off to discover the
new, big-business ideas that would make the world a more sustainable
place. I interviewed CEOs from over 50 cutting-edge companies. I
spoke with manufacturers, investment firms, inventive providers of
services, and consultants and leaders in the construction industry.
Over the course of those countless conversations, it became clear
that many sectors of the economy were converging on a new business
model, one with the potential to change the way our homes are built
and how they work -- and, I hoped, with the potential to lead us to
a less challenging future for our children.
Jim Leach, a leading solar builder in Boulder, Col., was one of the
visionaries who illuminated this fresh way of thinking for me. He
was also the one who first told me about a new field called "green
building." Finally, there was a word that described how we built at
Lightworks. For me, green building was the perfect way to marry my
love of construction with my desire to improve the quality of life
for America's homeowners. And I got to do something good for the
planet.
Grand aspirations are fine, but the real difficulties always show up
in the details. I moved to Boulder, where I'd gone to school,
explicitly to start a green building program. I met with the Boulder
Home Builders Association (HBA), and we started a green building
committee to explore the issues and opportunities in green building.
A few builders, inspired by Jim Leach's enthusiasm, joined forces
with us, and the HBA board soon passed a resolution to develop a
program.
At about the same time, the city of Boulder decided to update the
local energy code, which had been adopted after the energy crisis in
the 1970s. They wanted to incorporate resource conservation and
indoor air quality into a green building program that would keep up
with the growing number of local green builders. Within a year the
second and third green building programs in the country were on the
books; the Denver Home Builders Association adopted the Boulder
program and the City of Boulder enacted a green building code.
That's what launched this stage of my career.
My new company was called What's Working. As a recovering builder, I
was actively involved as a consultant and trainer in green building
programs around the country. With Kim Master, who joined the company
in 2003, I wrote Green Remodeling: Changing the World One Room at a
Time to fill the niche for homeowners and remodelers who wanted a
how-to book to guide their green remodels.
Since then, the increased interest in green building has been
nothing short of astonishing. Green is everywhere, and everything
points to long-term changes in how home buyers and home builders
will do business. Where this leaves builders is another story.
It's fine for consumers to clamor for "green" houses, but what does
that mean, exactly, to the person who is responsible for translating
that into a real house? It's no less confusing for the prospective
homeowner who wants a green house but isn?t sure what that entails.
This book offers a way to get there, not by adopting wildly new
building technologies and materials but mostly by using what's
already on hand. One step at a time, builders can move from
conventional construction to something far richer for themselves and
the people who buy their homes. It works.
David Johnston
Boulder, Colorado.
Table
of Contents:
1 Green Building
Basics 5
Green Is No Longer on
the Fringe 6
Lots of Green, Few
Common Standards 8
Dealing with the World
around Us 13
2 The
House as a System 23
How Heat Is Transferred
24
Thermal Transmission 26
Controlling Heat Flow 28
Air Leakage 29
Air Barriers 31
Airflow Mechanisms 32
Tight Houses Need
Ventilation 34
The Many Faces of Water
35
Controlling Sound
Transmission 38
Putting It All Together
40
3 Planning and
Design 43
Get the Team on Board 44
Siting a House for
Comfort 46
Planning for Water
Management 64
4 Foundations 67
Foundations Should Be
Insulated 69
Forming Foundations with
Wood 78
Improving Concrete with
Fly Ash 79
Controlling Moisture
around Foundations 80
Make Crawl Spaces
Generous 81
5 Framing 83
Advanced Framing Reduces
Waste 84
We Have Tree Farms, Not
Forests 89
Engineered Lumber Makes
Sense 96
Using Steel Studs with
Recycled Content 99
Structural Insulated
Panels Are Fast 101
Timber-Frame
Construction 106
6 Roofs and Attics
109
Frame with Trusses 110
Attic Ductwork 111
Superinsulated Attics
and Roofs 114
Stopping Air Leaks at
the Ceiling 115
Sheathing and Roof
Membranes 118
Roofing Materials 120
Light Colors Reduce Heat
Gain 126
Really Green Roofs 127
7 Windows and
Doors 129
Window Frames 133
Glazing 137
Preventing Air and Water
Leaks 144
Insulating Windows
Themselves 148
Skylights and Light
Tubes 148
Doors 149
8 Plumbing 155
Distributing Hot Water
Efficiently 156
Water Heaters 159
Eliminating the Wait for
Hot Water 162
Insulate All Hot Water
Pipes 164
Saving Water by Reducing
Flow 166
Plumbing for Gray Water
168
Appliances That Save 170
9 Heating,
Ventilation, and
Air-Conditioning 173
Designing a System 174
Forced-Air Systems 175
Radiant Systems 182
Heating Appliances 184
Geothermal Systems 187
Ventilation 189
Cooling 192
10 Electrical 197
What Drives Demand? 198
Lighting 199
Lighting Design 201
Energy-Efficient
Appliances 203
Electric Heating 204
Solar and Wind 204
11 Insulation 207
Old Assumptions Don't
Work 209
Form Follows Function
210
Making Sense of
Insulation Choices 213
Loose-Fill Insulation
218
Spray-In Insulation 220
Rigid Foam 222
Radiant Barriers 226
12 Siding and
Decking 227
Drainage Planes 228
Siding Materials 233
Decking 242
13 Solar Energy
251
Solar Hot Water 253
Solar Collectors 258
Active Solar Space
Heating 260
Photovoltaics 262
14 Indoor Air
Quality 273
Setting Standards for
Exposure 274
Contaminants and Their
Impact on Health 275
Building Products That
Off-Gas 280
The Cure for Dirty Air
282
15 Interior
Finishes 287
Choosing Environmentally
Friendly Products 287
Drywall 291
Paints, Finishes, and
Adhesives 293
Interior Cabinets 295
Countertops 297
Green Flooring 303
16 Landscaping 311
Evaluate Site and
Climate 312
Working with What's
There 315
Integrated Pest
Management 321
AFTERWORD 322
RESOURCES 326
CREDITS 327
INDEX 328
Soft-cover, 336 pages, with
296 full-color photos and 60 Illustrations
Published 2008
ISBN 978-1-56158-973-9