All How-To Topics
ScottG
East Waterboro, ME, UScontributing writer
Contributions
Protecting a SIPs Roof From Decay
Structural insulated panels do an excellent job of keeping energy losses to a minimum, but they're also susceptible to moisture damage unless detailed correctly
Should Rafters be Encapsulated by Spray-Foam?
Even experts continue to be confused about the permissible thickness of foam insulation sprayed onto the underside of a roof deck
Weighing the Merits of Spray-Foam Insulation
A homeowner looking to upgrade the insulation in his 90-year-old Cape is thinking about contracting for spray-in foam. But he's got conflicting advice from installers and wonders whether closed-cell or open-cell foam is the way to go.
Can a Slab Foundation be Insulated Without Rigid Foam?
Energy efficient buildings typically incorporate insulation beneath their concrete slabs, and the go-to choice is sheets of rigid foam. Are there alternatives?
Does Super-Insulation Make Sense in New Orleans?
A winning design for an energy-efficient house in the Deep South sparks a conversation on whether high R-values can make a house harder to cool.
Is a Masonry Heater the Right Choice for a Superinsulated House?
John Hess is planning to build a super-insulated house in New England, and is considering a masonry heater. These high-mass heaters require a fire only once or twice a day, but would one be overkill in a super-tight, high efficiency home?
How to Provide Combustion Air for a Wood Stove
A wood stove in an old, leaky house? No problem. Air consumed by the stove could easily be replaced via the abundant air leaks that most old houses had. In airtight construction, it's a different question.
Can an Unvented Cathedral Ceiling be Insulated with Dense-Pack Rock Wool?
A homeowner building a house in Massachusetts asks for advice on insulating a cathedral ceiling
How to Lay Tile Over a Concrete Slab
Uncoupling membranes used between a tile floor and a concrete slab should prevent any cracks in the concrete from affecting the tile, but will it lower the thermal mass potential of the concrete?
Choosing the Best High Performance Wall System
Planning a house for a cold climate, a builder weighs the merits of double 2x4 stud walls vs. 2x6 walls with exterior rigid foam insulation.
Windows in Historic Homes: Repair or Replace?
Historic preservation rules may prohibit the replacement of single-pane windows that contribute to energy losses. Are these edicts reasonable, or do they represent the triumph of tradition over common sense?
How to Build a 'Perfect Wall'
Adding rigid foam insulation to the outside of the building reduces thermal bridging. Choosing the right insulation for the wall cavity is another question altogether
Tracking Down a Mystery Gas Leak
'Massive' air leaks in a one-year-old house prompt the homeowner to schedule an energy audit, and what he finds is an apparent natural gas leak
What's the Best Way of Insulating a Crawl Space?
A leaky crawl space can lower indoor air quality and make it harder to heat and cool a home. So what's the most effective way of dealing with the problem?
Prevent a Powerful Range Hood From Backdrafting Your Furnace
When the fan draws 900 cubic feet of air per minute, making provisions for makeup air becomes essential
How to Seal Leaky Air Ducts
When ducts are hard to access, can they be effectively sealed from the inside?
Improving Performance of a SIPs Roof
A layer of foam added to the outside of a structural insulated panel should reduce heat losses via thermal bridging. The question is whether the foam will increase the risk of decay in the oriented strand board skin of the panel
Are Small-Scale Environmental-Protection Efforts a Waste of Time?
One of the cornerstones of green building is acting on an individual level to reduce energy consumption and conserve natural resources. But some believe it accomplishes very little in the overall scheme of things
Insulating a Maine Roof with Dense-Pack Cellulose
A homeowner is moving ahead with plans for an unvented roof insulated with a combination of dense-pack cellulose and rigid foam board. Will moisture be a problem?
After the Storm: Tales of Home Repair
Storm damage can range from broken rafters to smashed windows and shredded roof shingles. Repairs don't always go as smoothly as they should, and sometimes uncover shortcuts taken in the past
Using Polyethylene as an Air Barrier
Although polyethylene sheeting has fallen out of favor as a vapor retarder in most wall and ceiling assemblies, opinion is mixed on whether it can be used as an air barrier
Are Code-Mandated Air-Sealing Tests a Financial Burden to Builders?
An owner/builder, worried that required blower-door tests could cost him thousands of dollars, decides not to seek a building permit after all
Building a New High-Performance House in Massachusetts
A double-stud wall house with radiant-floor slab and a high performance propane hot-water heater is on the drawing boards. Care to comment?
How to Insulate Concrete Foundation Walls From the Inside Out
A builder planning a high-efficiency spec house wants to insulate the foundation walls, and is considering a type of panel that incorporates an inner layer of rigid foam insulation and two outer layers of concrete. Will it work?
Can't We Build Simple, Low-Tech Homes and Still Be Comfortable?
A Massachusetts homeowner wonders how a green design might look for someone who likes to keep the windows open and the heat turned down
The Downside of Running a Dehumidifier
In a superinsulated house, appliances generate heat that is slow to dissipate
Designing and Building Homes That Stay Accessible
The right features make it easier for homeowners to stay put as they age
Are LED Lights a Waste of Money?
Compact fluorescent lamps are gradually taking the place of standard incandescent bulbs, but light-emitting diodes are another, if more expensive, option.
Where to Spend Your Money: Superinsulation or a High-Tech Heating System?
What's the best plan: investing in high-quality windows and insulation, or a high-efficiency heating system?
How to Get Ready For the Next Big Storm
Irene's damage is done, but it's never too early to start preparing for the next natural disaster
Do Rules on Disturbing Lead Paint Apply to a Detached Garage?
A neighbor has hired someone to clean and paint a detached garage on his property, and now paint chips presumably containing lead are everywhere
How to Boost a Construction Business with a Website
The internet is an unrivaled source of information, but the World Wide Web also can be an unrivaled source of intimidation when you're thinking of launching a web site to increase business. How to start?
Summer is the Time to Head Off Ice Dams
Corrective action now will prevent ice dams and water intrusion when winter rolls around again
A Damp Basement has a Dehumidifier Running Overtime
A homeowner in Atlanta has taken all of the usual precautions to keep moisture out of the basement. But he's still running a dehumidifier around the clock. Is there something else he can try?
How to Prevent Cracks in Drywall
A remodeling contractor and self-described perfectionist is bugged about defects that have appeared in a ceiling he's just installed
How to Form a Custom Concrete Pier for a Porch
A builder who doesn't like the look of conventional cylindrical forms looks for way to make his own
When Insulation in the Roof Isn't There
The owner of a New Hampshire beach house may have a great view of the ocean, but there's not a shred of insulation in the roof. What now?
Making a House Livable Trumps Energy Efficiency
A couple planning to build a high-performance house have come across some plans that interest them. They turn to the Q&A forum at GreenBuildingAdvisor to ask whether anyone can make suggestions for improving the design.
Getting the Details Right for an Unvented Roof
The roof is on, and insulation contractors are now advising Ted Storm on how much open-cell foam to spray on the back side of the roof deck. Three contractors suggest the same thing, but is their advice on the right track?
Insulating an Old House from the Outside
A 50-year-old house is about to get an overhaul that will include new sheathing, siding and wall insulation, but the owner is sweating the details
When Does a Conditioned Attic Make Sense?
An Oklahoma builder who builds relatively large, single-story homes wonders whether his best approach is to turn the attic into a conditioned space with the use of spray polyurethane insulation.
How to Keep Dangerous Garage Fumes Out of the House
An attached garage saves money and materials during construction, but it also makes it tougher to maintain high indoor air quality. Are there solutions to the problem?
How to Level Up Concrete Piers?
A rushed job results in piers with uneven tops, and now the builder wonders how to proceed: level the tops before setting his posts or pull out the piers and start again.
A Building Debate That Just Won't Go Away
It's been more than 70 years since someone first recommended the use of a vapor barrier to reduce the risk of condensation inside wall cavities. The recommendation can still spark a debate.
Does It Pay to Use the Most Energy-Efficient Windows?
High-performance windows aren't cheap, but many experts say the energy savings and increased indoor comfort justify the cost. Is this really the case?
How to Calculate Savings from Energy Improvements
Is there a reliable way of estimating lower energy costs, or are there too many variables?
Will Passivhaus or passive solar be the best fit for this project?
A Pennsylvania homeowner is planning to downsize into a smaller house and looks for a prescription for energy efficiency on a small budget.
How to Reinforce 2x6 Ceiling Joists to Handle Heavy Loads
After building a new workshop, the owner belatedly realizes the 2x6 joists may not be strong enough to support the weight of hardwood lumber he wants to store overhead. Now what?
Is Radiant Floor Heating the Best Way To Warm A Well-Insulated House?
Lukas Smith is looking for the best way to build the radiant-heating system in his new home in southern Ontario. But, feedback from folks in the forums is causing him to think twice about using radiant heat at all.
Can Open-Cell Foam Waste be Used as Attic Insulation?
A homeowner is stuck with "bags and bags" of excess foam after the walls of his house have been sprayed. Can it be broken up into smaller pieces and added to the batt insulation in his attic?
Will Double Stud Wall Construction Bring Efficiency at a Modest Cost?
An owner-builder in western Washington State with a strict construction budget wonders how to get the energy efficiency she wants with what she has to spend.
How to Drum Up More Remodeling Business -- Should I Pay to Estimate?
Even in the best of times, getting new business isn't easy. When buying newspaper ads or relying on word-of-mouth referrals isn't getting it done, what are some off-beat approaches to reeling in new paying customers?
How to Make a 1930s Bungalow Cozy
A bungalow in northern Massachusetts has been renovated twice in the last 10 years but still has a major weakness when it comes to energy efficiency: an uninsulated field stone basement and a furnace and air handler located in an unconditioned attic.
What's Worse: Air Leaks or Not Enough Insulation
Al Cobb's goal is simple: Build better houses and help consumers make better choices. To do that more effectively, he wants to understand the root causes of heat loss a little better. Are air leaks or low insulation levels the real culprit?
Are There Hidden Dangers with PEX Plumbing?
Experienced builders disagree about whether there's enough information about this popular tubing's health hazards.
How to Attach a Deck Ledger to the House
Breaktime contributor Starboardtacker is looking for suggestions on how to attach a deck ledger to his house. Should he use pressure-treated blocks between the ledger and the house? Skip the blocks and use a few washers? Or is there another way?
Do Building Codes Really Do Us Any Good?
A Baltimore-area builder with 30 years of experience is discouraged with what he sees in the building industry: strict building codes but poorly trained carpenters.
Is There a Checklist for Building a House?
Information on energy efficient homes and green design is readily available to anyone with an internet connection or library card. But wading through all of it is a massive undertaking. Is there a way of getting right to the point?
How to Protect and Finish Insulation on an Exterior Foundation Wall
Adding a layer of rigid-foam insulation to the outside of a poured concrete foundation saves energy, but it raises a key question: What's the best way of protecting and finishing the foam that remains above grade.
How to Keep Noise Under Control
Too much noise is a nagging environmental problem that can be every bit as objectionable as cold air drafts or low indoor air quality. Noise from an outdoor source--a nearby freeway or construction...
How to Convince Customers Not to Go the DIY Route?
What's the best approach with a couple that's divided over the scope of the work? The wife wants the contractor to build a complete house. The husband wants only a shell he can finish himself.
What's the Best Vapor Barrier for a Concrete Slab?
A homeowner with chemical sensitivities who lives near a Superfund site seeks the most effective way of keeping potential toxins out of her basement
Should Builders Accept Credit Cards?
Staying in business means taking advantage of every opportunity to stand out in a field of competitors. Accepting credit cards is convenient for customers, but are their hidden hassles?
Can You Add Rigid-Foam Insulation On the Inside of a Wall?
Leaving exterior walls intact during a kitchen remodel, a builder has a plan for boosting the insulation and getting a good air seal by applying rigid foam on the inside.
Radiant Floor Heating: Can One Floor Heat Two Stories?
Would a house be comfortable if you just heat the bottom floor? With 6,000 heating degree days a year, Omaha, Nebraska, isn’t exactly balmy come mid-winter. If a ranch-style house has a radiant-floor heating...
What's Wrong With This Picture?
A contractor has started framing canon4me's new house, and something in the basement has the homeowner scratching his head. A main carrying beam in the first floor ends at a window header, and canon4me worries the connection won't be strong enough. What to do?
Should Insulated Concrete Forms be Air-Sealed?
Roger Lin wants a very tight house, tight enough to meet the Passive House standard of 0.6 air changes per hour under a blower-door test. Lin will be using insulated concrete forms, which combine...
Charging for Design Advice: Bill Up-Front or Forget About it
A contractor with more than 30 years of experience has a problem. After helping a potential customer develop plans for an upcoming project, russellbriss was rebuffed when he politely asked for some compensation. Is this a legitimate beef or just "small potatoes?"
Who Pays for Mistakes in a Time and Materials Contract?
When a builder working under a time and materials contract makes a mistake, should he eat the loss and correct the problem for free, or charge the homeowner for his trouble?
How Do I Splice a Deck Beam in the Middle of a Post?
Pizza has designed a 14-ft. by 18-ft. free-standing deck at his house 40 miles west of Philadelphia. His dilemma? He doesn't know where to get his hands on 18-ft. stock for the full-length beams so he's planning on a mid-span splice. Will it work?
How to Choose an Insect Screen
There are screens out there for every budget and need.
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Recent comments
Re: Do Rules on Disturbing Lead Paint Apply to a Detached Garage?
We stand corrected.
posted: 3:47 pm on September 1stAfter this was first published, we learned of an advisory from the EPA that addresses this question directly. It suggests that a garage, as well as other outbuildings on urban and suburban lots, are indeed covered by the rules.
Shawn McCadden was first to point this out in his comments above. He also includes the link to the EPA's comments.
Thanks for the heads up, Shawn.