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Should the Attic Floor Insulation Be Removed When Doing Spray Foam?

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Insulating and Air Sealing an Attic with Spray Foam (Short Version)

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On this episode of Dr. Energy Saver's On the Job series, Larry Janesky, founder of Dr. Energy Saver discusses the importance of an energy efficient attic, and shows us why it should be the number one priority in terms of energy-efficient upgrades with this spray foam attic insulation project.

The typical attic is vented and not considered part of the conditioned space of the building. Attics are typically very hostile environments, as temperatures change drastically, year round, according to the seasons. In the winter time, the attic can get very cold, with freezing air getting into the space through open soffit and ridge vents. In the summer, the sun radiates heat through the roof, raising temperatures in the attic to scorching hot levels, much higher than the outside temperatures.

If the attic lacks adequate insulation and proper air sealing -- and according to the U.S. Department of Energy, a significant number of homes in America have this problem -- these dramatic temperature variations will be transferred to the living areas, either conductively through the ceiling, or through air leakages.

In homes that have HVAC ducts running through the attic, energy losses can be even greater. During the winter, heated air will lose temperature as it passes through ducts that are housed in a freezing cold attic. During the summer, the cool air running through a scorching attic will get warm before reaching the rooms that need to be cooled.

Consider that an average of 40% of your home's total energy consumption going toward heating and cooling! With such large percentages of energy consumption going toward heating and cooling you will easily understand how important it is to conserve as much energy as possible in these areas.

The typical attic insulation job involves isolating the attic from the house (conditioned space). To do so, we utilize spray foam, to air seal any gaps that may cause air from the conditioned space to leak into the attic. Spray foam is applied around gaps around light fixtures, plumbing, wires, wall partitions, and chimneys in the attic floor. After air sealing is complete, blown insulation -- fiberglass or cellulose -- is commonly used to bring attic insulation R-Values up to the U.S. D.O.E. recommended values for attic insulation for each specific region of the country.

In this particular home, however, the attic wasn't a typical attic. The multi-level ceilings stood over walls that protruded from the attic floor, making it very hard to seal and insulate. This attic also included over 100 can light fixtures, posing some difficult challenges when it came to insulation and air sealing. To make matters even worse, the HVAC ducts ran through the attic!

For special cases like this, the best approach is to include the attic into the conditioned area of the home, and establish the roof, not the ceiling, as the thermal boundary. While there are a number of different materials that can be used to transform a vented attic into a conditioned space -- including Dr. Energy Saver's Super Attic System, this particular job, spray foam became the insulation material of choice.

Spray foam expands when applied and fills gaps and voids, so the space is air sealed and insulated at the same time. With our job complete, this homeowner now has a more comfortable home and already reports big energy savings from the newly insulated attic.

Would you like to have a more comfortable home and save money on energy bills? Let Dr. Energy Saver help! Call us or visit our website to locate a Dr. Energy Saver energy specialist in your area, and for a free consultation!
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3 Spray Foam Problems

Is Spray foam good enough for high performance air sealing?
Jordan takes a look at a few reasons why spray foam might not get you the air sealing performance you were hoping for.

Huge thanks to our Show sponsors Polywall, Huber, Dorken Delta, Prosoco, Rockwool & Viewrail for helping to make these videos possible! These are all trusted companies that Matt has worked with for years and trusts their products in the homes he builds. We would highly encourage you to check out their websites for more info.






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What is the Best Attic Insulation? (Spray Foam vs. Fiberglass vs. Cellulose)

High energy bills...uncomfortable rooms...ice dams. You know it’s time to upgrade that old attic insulation, but what are the best attic insulation?

In this video we discuss and compare the most common insulation types used in attics today - cellulose, fiberglass, and spray foam.

FOAM INSULATION LEARNING CENTER


Learn more about the best insulation for your attic:


After watching you should have a better understanding of the best attic insulation for your home and situation.

Typically, if you are looking for the cheapest way out, adding more traditional insulation may help for now. However, if you really want to transform your home’s comfort and energy efficiency, spray foam insulation is the better long-term option.

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.

LEARN MORE ABOUT FOAM INSULATION


REQUEST A FREE ESTIMATE IN MICHIGAN


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Insulating and Air Sealing an Attic with Spray Foam (Long Version)

| 1-888-225-6260

On this episode of Dr. Energy Saver's On the Job series, Larry Janesky, founder of Dr. Energy Saver discusses the importance of an energy efficient attic, and shows us why it should be the number one priority in terms of energy-efficient upgrades with this spray foam attic insulation project.

The typical attic is vented and not considered part of the conditioned space of the building. Attics are typically very hostile environments, as temperatures change drastically, year round, according to the seasons. In the winter time, the attic can get very cold, with freezing air getting into the space through open soffit and ridge vents. In the summer, the sun radiates heat through the roof, raising temperatures in the attic to scorching hot levels, much higher than the outside temperatures.

If the attic lacks adequate insulation and proper air sealing -- and according to the U.S. Department of Energy, a significant number of homes in America have this problem -- these dramatic temperature variations will be transferred to the living areas, either conductively through the ceiling, or through air leakages.

In homes that have HVAC ducts running through the attic, energy losses can be even greater. During the winter, heated air will lose temperature as it passes through ducts that are housed in a freezing cold attic. During the summer, the cool air running through a scorching attic will get warm before reaching the rooms that need to be cooled.

Consider that an average of 40% of your home's total energy consumption going toward heating and cooling! With such large percentages of energy consumption going toward heating and cooling you will easily understand how important it is to conserve as much energy as possible in these areas.

The typical attic insulation job involves isolating the attic from the house (conditioned space). To do so, we utilize spray foam, to air seal any gaps that may cause air from the conditioned space to leak into the attic. Spray foam is applied around gaps around light fixtures, plumbing, wires, wall partitions, and chimneys in the attic floor. After air sealing is complete, blown insulation -- fiberglass or cellulose -- is commonly used to bring attic insulation R-Values up to the U.S. D.O.E. recommended values for attic insulation for each specific region of the country.

In this particular home, however, the attic wasn't a typical attic. The multi-level ceilings stood over walls that protruded from the attic floor, making it very hard to seal and insulate. This attic also included over 100 can light fixtures, posing some difficult challenges when it came to insulation and air sealing. To make matters even worse, the HVAC ducts ran through the attic!

For special cases like this, the best approach is to include the attic into the conditioned area of the home, and establish the roof, not the ceiling, as the thermal boundary. While there are a number of different materials that can be used to transform a vented attic into a conditioned space -- including Dr. Energy Saver's Super Attic System, this particular job, spray foam became the insulation material of choice.

Spray foam expands when applied and fills gaps and voids, so the space is air sealed and insulated at the same time. With our job complete, this homeowner now has a more comfortable home and already reports big energy savings from the newly insulated attic.

Would you like to have a more comfortable home and save money on energy bills? Let Dr. Energy Saver help! Call us or visit our website to locate a Dr. Energy Saver energy specialist in your area, and for a free consultation!
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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.

The Truth About Spray Foam Insulation

Watch this 7 minute video as Steve Maxwell explains why spray foam insulation is safe and effective.

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Biggest Attic Insulation Scam... REVEALED!

The problem of fluffing is rampant among attic insulation companies and Ed is going to tell you all about it! Watch the video and learn how you can know what to ask for to prevent this scam from happening to you.

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Find an installing attic insulation contractor:

Read through the most commonly asked questions about attic insulation:

Does foam insulation mean no attic ventilation?

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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.

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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.

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How to Beef Up Attic Insulation | This Old House
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Icynene Spray Foam Insulation: Attic Retrofit Installation


Attic Retrofit Installation

In this Icynene training video we will discuss the necessary steps needed to retrofit a vented attic with Icynene spray foam.

Should the Attic Floor Insulation Be Removed When Doing Spray Foam?

Spray foam insulation contractors and homeowners alike have debated this questions over many years and since spray foam first gained popularity in late the 2000’s, we’ve had many case studies to learn from. What is the best practice for homeowners when they are considering spray foaming their attic? In a hot dry climate like Phoenix, spray foam is worth the extra cost and is the ideal insulation method because all of our ductwork and HVAC systems are inside the attic space. Spray foam contractors in Arizona have differed though in their reasoning over if the existing insulation should be removed or kept along the attic floor.
for more information visit

Spray Foam Attic Floor or Rafters: Which is Best to Insulate? | Foam University

Is it better to put spray foam insulation in your attic rafters or floor? Learn more about this topic on this episode of Foam University.

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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.

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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.

LEARN MORE ABOUT FOAM INSULATION


REQUEST A FREE ESTIMATE IN MICHIGAN


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SPRAY FOAM | REMOVAL OF BATTS INSULATION IN ATTIC in CANADA

#SprayFoam #WinterIsComing #Canada

Spray Foam Attic Insulation - Conditioned Attic How & Why

A conditioned attic can make a huge difference in the efficiency of your house. Take a tour with me of this unvented attic on a Slab-On-Grade foundation house.
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Insulating a Floor with Spray Foam

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The owners of this home wanted their floors to be warmer. The house was built on a 3-ft-high crawl space that was later dug and transformed into a shallow, unconditioned basement.

The room above this shallow basement was very cold and drafty during the winter time. Dr. Energy Saver concluded that insulating the floor above the basement would be the best approach for this particular home. Thus leaving the basement unconditioned, rather than conditioning the whole space and including it into the internal building envelope. Spray foam was applied between the floor joists. Spray foam insulation expands as it is applied, filling every gap around joints, plumbing, wiring, ducts and fixtures. Spray foam not only insulates but air seals the floor as well.

If your home sits on a vented, unconditioned crawl space or basement, your home is wasting a lot of energy. Cold floors, drafty rooms and high energy bills are some of the symptoms of energy loss through the crawl space and basement. Call Dr. Energy Saver for a free foundation insulation estimate and see just how much you can save!

How to Insulate your Attic with Foam it Green

If you're not planning to turn your attic into another living space, then you can address one of the worst areas of energy loss in a house: the roof and attic floor. We show you how to use Foam it Green to seal the attic rafters so that it will keep your home cozy and lower your energy bills. For more information, tips, and interesting facts from us, visit us online

Installing Spray Foam on the Attic Floor

A demonstration of how high performance spray foam insulation is installed on an attic floor. Proper attic insulation prevents unwanted air flow between conditioned and unconditioned space, making your home more energy efficient and saving you money on energy bills.

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Affordable Comfort of Missouri and Illinois is a full-service Home Performance company that specializes in Insulation and Energy Efficiency. We give you all the information you need to understand every aspect of your home, its energy efficiency needs, and what can be done to improve it.


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Icynene Spray Foam -Attic Insulation #3- Removal http://www.icynene.com

Removal of Existing Attic Insulation: On the day of the installation, your spray foam insulation crew will begin to prepare the worksite. Once set up, the crew will begin safely removing your existing attic insulation material.

Attic Insulation Removal: How to Remove Old Insulation From the Attic

Need to get rid of that old and nasty insulation in the attic? In this video Jake discusses methods for removing old fiberglass or blown in insulation from your attic and how to properly dispose of it.

Learn more about attic insulation removal here:

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.

LEARN MORE ABOUT FOAM INSULATION


REQUEST A FREE ESTIMATE IN MICHIGAN


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