tag: insulation


showing 41 - 60 of 138 posts
First  < Previous 1 2 3 4 5 Next >  Last
Sort By:



Subscribe to RSS feed
A New Roof is an Opportunity to Add More Insulation

A New Roof is an Opportunity to Add More Insulation

A homeowner in Baltimore needs to replace the built-up asphalt roof on his house, and wonders how to insulate it effectively at the same time

view details view details
Whats the Best Way to Install Rainscreen Siding?

What's the Best Way to Install Rainscreen Siding?

1 comment

A builder planning a new house plans to include a rainscreen, an exterior detail that separates the sheathing from the finish cladding with furring strips. He'd like to install the furring horizontally instead of in the more typical vertical orientation. Is that a problem?

view details view details
Should Rafters be Encapsulated by Spray-Foam?

Should Rafters be Encapsulated by Spray-Foam?

2 comments

Even experts continue to be confused about the permissible thickness of foam insulation sprayed onto the underside of a roof deck

view details view details
Weighing the Merits of Spray-Foam Insulation

Weighing the Merits of Spray-Foam Insulation

1 comment

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.

view details view details
Can a Slab Foundation be Insulated Without Rigid Foam?

Can a Slab Foundation be Insulated Without Rigid Foam?

4 comments

Energy efficient buildings typically incorporate insulation beneath their concrete slabs, and the go-to choice is sheets of rigid foam. Are there alternatives?

view details view details
Does Super-Insulation Make Sense in New Orleans?

Does Super-Insulation Make Sense in New Orleans?

3 comments

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.

view details view details
Can an Unvented Cathedral Ceiling be Insulated with Dense-Pack Rock Wool?

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

view details view details
Choosing the Best High Performance Wall System

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.

view details view details
Researching Retrofit Technology in the Northwest

Researching Retrofit Technology in the Northwest

Using two identical, side-by-side homes as their laboratory, DOE researchers aim to measure the effectiveness of a variety of energy efficiency improvements

view details view details
Taking Aim at Californias Low-Carbon Target

Taking Aim at California's Low-Carbon Target

As the state prepares to cut greenhouse gas emissions 80% below 1990 levels over the next 38 years, scientists predict a mostly electric future

view details view details
Russias First Active House Gets a Test Drive

Russia's First "Active House" Gets a Test Drive

A Danish solar-panel company teams up with a Russian developer to build a home designed to showcase net-zero-energy performance

view details view details
How to Build a Perfect Wall

How to Build a 'Perfect Wall'

3 comments

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

view details view details
Whats the Best Way of Insulating a Crawl Space?

What's the Best Way of Insulating a Crawl Space?

2 comments

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?

view details view details
Attic-Insulation Upgrade Takes a Wrong Step

Attic-Insulation Upgrade Takes a Wrong Step

4 comments

Installing cellulose insulation into my attic was easy and even fun--until a moment of carelessness changed the job from home improvement to home repair.

view details view details
Lawmaker Targets DOEs Weatherization Program

Lawmaker Targets DOE's Weatherization Program

3 comments

It's all part of Representative Chuck Fleischmann’s campaign to stop "green initiative abuse"

view details view details
Insulating a Maine Roof with Dense-Pack Cellulose

Insulating a Maine Roof with Dense-Pack Cellulose

1 comment

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?

view details view details
Best Attic for Hot/Humid Climates

Best Attic for Hot/Humid Climates

Most houses in Hot/Humid climates don't have basements so that means that most ductwork in Southern house runs through super hot attic spaces. In this video I'll show you a rather civilized attic space that really makes for a comfortable & efficient house!

view details view details
Using Polyethylene as an Air Barrier

Using Polyethylene as an Air Barrier

2 comments

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

view details view details
PODCAST: Five Big Holes in your House That Suck Energy Out

PODCAST: Five Big Holes in your House That Suck Energy Out

4 comments

  An 1/8th inch crack along a window doesn't seem like much to worry about, but a 1/8th in. crack running the length of your house amounts to a hole bigger than a half sheet of plywood. If...

view details view details
Where to Spend Your Money: Superinsulation or a High-Tech Heating System?

Where to Spend Your Money: Superinsulation or a High-Tech Heating System?

2 comments

What's the best plan: investing in high-quality windows and insulation, or a high-efficiency heating system?

view details view details

showing 41 - 60 of 138 posts
First  < Previous 1 2 3 4 5 Next >  Last