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Attic Insulation Done Wrong… and How to Do It Right!

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Attic Insulation Done Wrong… and How to Do It Right!

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In Episode 71 of the On the Job Video series, Larry Janesky, owner and founder of Dr. Energy Saver, walks us through the attic of a home in Connecticut that had been previously insulated by another contractor to illustrate common mistakes being perpetrated by many insulation contractors across the country.

The owners of this home had serious comfort issues, with uneven temperatures around the house and rooms that were just drafty and hard to heat. They called contractors from the state energy program for help. After a quick energy audit, the contractors informed the homeowners that they would benefit from additional attic insulation -- and the contractor was then hired to add inches of blown fiberglass to the attic.

After the work was performed, however, the home was still just as uncomfortable as it was before. That is when they decided to call in Dr. Energy Saver and find out what went wrong. After performing a blower door test, Larry and his team realized that there was a significant amount of air leaking in and out of the house, greatly impacting comfort and energy savings.

Sure enough, when Dr. Energy Saver’s technicians inspected the recently insulated attic they found out that no air sealing was performed in the area. The only way to stop cold air from leaking into a house and making it uncomfortable is to stop heated air from leaking out – and since heated air rises, it usually leaks out of the upper levels of the house. The smallest gaps in the building, such as those around pipes and wires, lights, bathroom fans, duct chases and other ceiling fixtures, can amount to huge leakages.
Blown fiberglass does nothing to stop air leakages. The air flows right through it.

It is, therefore, very important to thoroughly air seal the attic completely before applying insulation. In this case, Dr. Energy Saver had to vacuum all the fiberglass insulation out of the attic just to be able to access the areas that needed to be sealed. After air sealing the attic, a new blower door test showed that they were able to reduce overall air leakage by 20%. After that, new plywood dams were built to contain the new cellulose insulation, which has a higher R-Value per inch than fiberglass. This brought the R-Value of the attic insulation up to U.S. Department of Energy’s recommended levels for the Northeast.

According to Larry, installing attic insulation without air sealing is malpractice, yet it is a very common practice among contractors because homeowners aren’t always aware of the problem. We hope this video will help homeowners across the U.S. make informed decisions when it comes to improving comfort and energy efficiency in their homes.
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How to Insulate an Attic | This Old House

This Old House general contractor Tom Silva and host Kevin O'Connor demonstrate the proper way to insulate an attic. (See below for a shopping list and tools.)
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Shopping list for How to Insulate an Attic:
R-38 unfaced fiberglass insulation [ used to enhance existing attic insulation
dust mask [
leather gloves [

Tools for How to Insulate an Attic:
utility knife [ used to cut fiberglass batts

About This Old House TV:
This Old House is the No. 1 multimedia home enthusiast brand, offering trusted information and expert advice through award-winning television, a highly regarded magazine, and an information-driven website. This Old House and Ask This Old House are produced by This Old House Ventures, LLC and are presented on PBS by WETA Washington, DC.

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How to Insulate an Attic | This Old House
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How to Beef Up Attic Insulation | This Old House

Cost-effective way to save energy with This Old House general contractor Tom Silva. (See below for a shopping list and tools.)
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Tools for Beefing Up Attic Insulation:
- tape measure [
- insulation knife [
- leaf rake [ used to spread cellulose insulation
- dust mask [
- hammer [
- circular saw [

Shopping List for Beefing Up Attic Insulation:
- cellulose insulation [
- un-faced fiberglass insulation [
- 2x10s [ for framing a storage platform
- 7/16-inch-thick OSB
- 16d nails [ for nailing together 2x10s
- 6d nails [ for nailing down the OSB
2-inch-thick polystyrene [ used to cover subfloor

About This Old House TV:
This Old House is the No. 1 multimedia home enthusiast brand, offering trusted information and expert advice through award-winning television, a highly regarded magazine, and an information-driven website. This Old House and Ask This Old House are produced by This Old House Ventures, LLC and are presented on PBS by WETA Washington, DC.

Follow This Old House and Ask This Old House:
Facebook:
Twitter:

Pinterest:
Instagram:

Tumblr:

For more on This Old House and Ask This Old House, visit us at:

How to Beef Up Attic Insulation | This Old House
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When Should You Remove Old Attic Insulation?

Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video, host Stuart Keith from Today's Home Remodeler and Brian Auman from Rockweiler Insulation cover a few of them.

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How to Insulate an Attic

Woodie's will show you how to insulate your attic. This is the best way to save money and energy in your home.

How to Cool a Hot Attic | Hot Attic Solutions | Hot Home Repairs

Learn how to cool your hot attic. We recently got a call from a local homeowner saying that the attic, in which their kids liked to sleep in occasionally, was becoming unbearably hot. Their attic had no insulation on the cathedral-style ceiling walls, and therefore it pretty much just collected thermal energy all day until it became downright uncomfortable to be in. Need an estimate? Click here:

✅ If you are a DIYer, here are products that can help you get your attic cool:
Attic Hatch Cover -
Spray Foam Kits -
Solar Attic Fan - (affiliate link)
Radiant Barrier - (affiliate link)
Recessed Light Cover - (affiliate link)

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#CrawlSpaceNinja
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Attics/Roofs - Dumb vs. Smart - How to Build Correctly

5 Dumb Ways to Build in the South! Watch this if you’ve not seen it!

Great advice on the details for Building a Conditioned Attic:

Conditioned Attics without Spray Foam

Dropped Ceilings for Ducts in Conditioned Space. Energy Vanguard Blog

Worried about Shingle Durability with a Conditioned Attic? See this article to allay your fears.

Video I showed about Spray Foam and meeting 2014 energy codes:

Perfect Wall Playlist


Spray foam insulation nightmare: What can happen if it's not installed correctly (CBC Marketplace)

Originally broadcast October 25, 2013

Canadians are installing spray foam insulation in their homes in ever-expanding numbers. It’s sold as energy-efficient, easy-to-apply solution, but when the job goes wrong, it can be a nightmare for homeowners. Tom Harrington takes you inside the walls and up into the attic to explore a home renovation horror story, a foul-smelling foam job that’s driven a family from its home.

More from CBC Marketplace, Canada's top consumer affairs show:
Watch episodes online at
Like us on Facebook:
Talk to us on Twitter:
Follow our hosts @cbctom and @cbcerica

Adding Loose Fill Insulation to an Attic

To View the Next Video in this Series Click Here:

How to Insulate the Attic | Air Sealing the Attic | Energy Saving Attic Insulation

| 1-888-225-6260

A properly air sealed and insulated attic is the most important component of a green, energy efficient home. An inefficient attic causes energy waste in many ways.

Due to a physics phenomena known as the stack effect, the air inside a building moves upwards, towards the upper levels of the house. If the attic is unsealed, all the conditioned air that you paid to heat and cool, will leak into the attic and escape to the outside.

On hot days throughout the year, the roof shingles absorb a lot of the sun's heat that then radiates into the attic, causing an attic to reach temperatures of up to 150 degrees! That heat will then be transferred to your living space and make your home uncomfortable and hard to cool.

Air ducts running through unconditioned and improperly insulated attics make for an even bigger source of energy waste. During the summer, metal ducts are conducting the air that you paid to cool through a scorching attic. The cool air is being re-heated before it reaches the rooms in your house! During the winter, the opposite happens. The hot air is reduced through the metal ducts that run through a freezing cold attic.

An energy efficient attic features a combination of thorough air sealing, a layer of insulation within the U.S. Department of Energy R-Value recommendations, and proper roof vents to prevent mold and ice damming. Air ducts that run through an unconditioned attic also need to be air sealed and properly insulated.

If you would like to make your home more comfortable and energy efficient trust your local Dr. Energy Saver home energy conservation specialist:.
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How to Install Attic Insulation: Blown-in Cellulose using Home Depot Rental Machine (DIY 2019)

The attic is by far the most important space to insulate in the house. Lower your energy bills by following these easy steps to insulate your attic using cellulose insulation. Whether insulating a new construction or adding insulation to your attic, cellulose insulation is better than fiber glass insulation – see all the benefits in the video. We bought the materials at Home Depot and got a free rental when you buy 10 or more bags – Izza and I will show you how to calculate how much insulation you need in your attic and how much to order. We will run you through all the essential gear you need. We check out what prep is needed as well as how to shoot the insulation in the attic, and then give you a few more tips and tricks on the whole process! I hope you can tell we had fun making this PUBG gaming inspired video.

Protective Gear in the video:

Uvex S3960C Stealth Chemical Splash Goggle


3M Half Facepiece Disposable Respirator – great quality for price respirator, was comfortable – replacable filters.

DuPont Disposable Coverall – great way to keep clean and pretend you’re Walter White for the day. For 5$ you can’t go wrong.

AmazonBasics Polyurethane Coated Work Gloves-


Here is the gear I use to film:

Canon SL2 with kit lens -

Canon EF-S 10-18mm lens -

Canon 50mm 1.8 lens -

Rode VideoMicro kit -

Some of my trusty tools:
DEWALT20V MAX XR Li-Ion Brushless Compact Hammer Drill and Impact Driver Combo Kit (these have been a godsend I can't recommend these enough!) -

DEWALT Lightweight Circular Saw, 7-1/4-Inch-

Follow me on instagram @HugoBuilds
#attic insulation #house building #pubg

November 2016 - How To Remove Loose Insulation From Your Attic

My father helped me remove 58 bags of loose fill, blown in, cellulose insulation and 17 bags of old fiberglass insulation. Along the way I installed 5,995 square feet of new fiberglass insulation. This produced about 4 more bags of waste. The original cellulose insulation was, on average, about 3 to 4 inches thick. This equates to roughly an R-9 to R-12. The new insulation was R-30, with some areas getting R-60. Roxul was used around the fireplace. Fire blocking expanding foam was used to fill any air gaps.

Related Videos:
removing blown in insulation -
DIY Blown In Insulation Vacuum -
How we remove blown in insulation with the new Nikro -

Tools and Supplies:
Rockler Dust Right 4'' Quick-Fit Shop and Tool Set

This isn't the exact kit I used but similar to it. The important things to get are the handle and the extension wand.

Rockler Through-The-Wall Dust Right Port Kit

This is what I used to go through the garage ceiling and into the attic floor. The tube is long enough you can trim for thinner walls if needed.

PSI Woodworking D50C 4-Inch by 50-Feet Clear Flexible Dust Collection Hose

This is the clear, flexible hose I used. I purchased two of them and used one in the attic and one in the garage. I should have measured the length of the house to ensure I had enough hose but I lucked out in where I put my hole so everything was long enough.

2-piece Single Loop Squeeze Hose Clamp for 4 Dust Collection Hose

These are the ideal clamps to use, especially if you're taking things on and off frequently.

BUFF

I have several and love them for running. For this project, they worked great as a mask and even kept debris out of my ears.

R-30 Insulation

I purchased all my new insulation from Home Depot. Because I needed so much, I actually ended up buying two pallets. The first layer is faced and in 4 foot batts while the second layer is unfaced and in 25 foot rolls.

Roxul

Also purchased at Home Depot. I needed a small amount but knew I could use the left overs in the basement as soundproofing.

70 gal. 2 HP Industrial Dust Collector

Because we planned ahead, we managed to get a good deal on this the year before during the holidays. It came with one trash bag. We just used 45 gallon bags from Costco.

Touch n'Foam Fire Break Spray Foam

I find that this brand works best. The cans last longer, the aerosol lasts longer, and it is designed to work upside down.

Music:
Beach Party - Islandesque by Kevin MacLeod is licensed under a Creative Commons Attribution license (
Source:
Artist:

Revved Up by Adam Selzer

Epic Song by BoxCat Games

DIY Loft/Attic Insulation with over-boarding for Storage [Superhome59 Video part 10]

Describes the do-it-yourself installation of 300mm of sheep's wool loft insulation into an ordinary 5 bed home in the UK. Video includes details of pipe & tank insulation, loft hatch, over-joisting, over-boarding and lighting. Part 10 of a series of videos by Superhome 59. Superhomes are super-energy efficient retrofit homes with very low carbon footprints. For details of products used go to

How Radiant Barrier Works - AtticFoil® Reflects Heat Coming Off The Roof

- How Radiant Barrier Foil Insulation Works In An Attic. Radiant barrier works by reflecting heat coming off the roof. Normally the heat travels across the attic by radiation and is absorbed by the attic insulation. Normal attic insulation only helps to reduce conductive heat (R-Value) flow. Eventually the insulation heats up and the heat is transferred into the home. A radiant barrier will REFLECT the heat coming off the roof and make the INSULATION COOLER. By reducing the insulation temperature, it reduces heat flow into the home.

Is Too Much Insulation in the Attic Bad? | Foam University

You’re about ready to stuff your attic full of insulation to get the maximum comfort and energy savings, but wondering if too much insulation is a bad thing. Today’s episode of Foam University discusses this important question.

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ABOUT FOAM UNIVERSITY

Have questions about foam insulation? Foam University is a weekly video series that explores the most asked questions about spray and injection foam insulation. Whether you are a homeowner, contractor, or do-it-yourselfer, your Professor of Foam Eric Garcia is sure to educate and entertain.

VIEW PREVIOUS VIDEOS



Foam University is brought to you by RetroFoam of Michigan.

WHO IS RETROFOAM OF MICHIGAN?
RetroFoam of Michigan is a spray foam insulation contractor serving Michigan’s lower peninsula, helping homeowners who are sick and tired of living in an uncomfortable house or paying high energy bills.

We specialize in insulating existing homes, new homes, and pole barns with foam insulation. We also enjoy educating homeowners about foam insulation through our videos, blog, and other educational resources on our website.

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The Right Way to Insulate Attics with Blown-in Insulation

A how-to on installing CertainTeed’s InsulSafe® SP and TrueComfort® Blown-in fiber glass insulation into attic applications, including application techniques and quality control.

Attic Insulation Options and Measuring

To View the Next Video in this Series Click Here:

REMOVING ATTIC INSULATION PART 1 OF 2

ROLLED INSULATION WAS REMOVED BY HAND. BLOWN INSULATION REMOVED WITH VACCUM. LOW CRAWL SPACE MADE IT HARD WORK. BUT YOU CAN SAVE THOUSANDS OF DOLLARS D.I.Y

Improving R-value with Radiant Barrier Over Insulation

Ed discusses the biggest energy efficiency mistake in residential homes and how to easily fix it so your home is more comfortable and energy efficient all year long.

For customers who live in COLD CLIMATES and are considering this installation method but have moisture concerns, please check out our SuperPerf™ radiant barrier that was developed to lay on top of attic insulation but is guaranteed not to trap moisture!

SuperPerf™ compared to Original AtticFoil™:
Why You Need SuperPerf™ Radiant Barrier:
How to Install SuperPerf™ Super Breathable Radiant Barrier:
Worried About Dust Accumulation? Learn more:

Shop for SuperPerf™ Radiant Barrier for Cold Climates here:

Insulation Installation Guide: ProCat® Dense Blow Insulation for Attics

Learn how to prep an attic for loosefill and use the dense blow mode to get thermal performance in the eaves. See a demonstration of how to install Owens Corning Raft-R-Mate® Attic Rafter Vents to get proper ventilation, as well as how to staple ProCat® insulation rulers in the attic to get the right depth of installation and mark the eaves for dense blowing. The video will also show how to attach the dense blow attachment to the hose and will go through the machine’s features, as well as showing the installation process.

To learn more about Owens Corning’s insulation products and solutions, visit

Subscribe to get notified when new Owens Corning videos are posted:

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