Man laying thermal insulation layer
Man laying thermal insulation layer

If you're looking to insulate your home or business property, you will certainly want to cover the attic, basement/crawlspace, and ceilings. But without a doubt, a large proportion (probably a majority) of your building's insulation will likely be located inside of the walls.

And without walls insulation, heat will "leak" out of your home in the winter and raise your heating bill, and leak into your home in the summer and raise your AC expenses. Exterior walls must be air sealed and insulated to create an effective "envelope" to trap in the heat or the cool at the right time.

At Pure Eco, we can install new insulation in your walls, both for new construction or additions and for older construction, and we can do it without having to tear up your drywall or make a "big mess."

We have helped numerous home and business owners in the Los Angeles Area upgrade their energy efficiency levels, stay more comfortable all year long, and do their part to lower human impacts on our natural environment. Contact us today by calling (877) 870-7998 , and we can do the same for you!

Which Walls Do I Need to Insulate?

Any wall with an exterior face needs to be properly insulated to maximize your energy savings year-round. Even if your siding has built-in insulation attached to it, you need insulation inside your walls too if you want to reach optimal energy efficiency.

Additionally, if you want to heat or cool specific rooms instead of always the entire house, then you also need to install insulation inside of room-dividing walls that don't even have an exterior face.

Attic walls will normally get batts insulation, as will walls in unfinished basements/garages and in crawlspaces.

A wall between your living space and an unheated garage definitely needs some effective insulation in it.


Installation Methods for Walls Insulation

Both batts and blown in (loose fill) insulation is often used inside of wall cavities. Typically, batts is used on new construction while blown in insulation is more common with existing walls. But this can vary.

Blown In Insulation For Walls

Blown in insulation can be installed in your walls either from the inside of the house or from the exterior.

To blow insulation in from outside, we first lift up any siding that might be in the way, and then drill two-inch diameter holes between adjacent wall studs (about every 16 inches.) A hose is inserted into each hole and we fill in the inter-stud cavity compactly.

It's easy to plug up each hole before putting the siding panel, or other exterior wall covering, back in place. And you can use the cut-outs plus patching compound to ensure a solid plug-job.

To blow insulation into your walls from inside your house, the same basic procedure is followed, only holes must be made in the drywall. We do not take care of the patch and paint process ourselves, but we can recommend to you a top-tier professional who does. And all of the holes can be fully repaired with drywall tape and compound, plus appropriate sanding and painting.


Batts Insulation for Walls

You really can't put batts in old walls without tearing apart the drywall and completely redoing it. So, if it's a home renovation project where the walls are already opened up, an addition, or new construction, batts is a viable option. Otherwise, blown in insulation is the way to go (and you can, of course, blow insulation into new construction as well.)

Batts are sized by manufacturers to fit snugly between standard sized wall cavities (between studs). Thus, each batt need only be cut to length and pressed gently into position.

The paper backing of batts extends beyond the insulation around an inch, so that the pieces can be stapled to the studs and overlap with each other there, thus forming a complete wall envelope.

One should never compress batts insulation when installing it since that can make it lose much of its R-value. And also realize there are fiberglass batts with different R-values that are recommended for exterior walls, interior walls, attics, and basements.

Fiberglass is the most common form of batts installed in walls (and the least expensive type), but there are other alternatives like cellulose, cotton (recycled denim), mineral wool, and more, that may offer a higher R-value and have a greater percentage of recycled material in them.

When installing batts in walls, you must notch around electrical boxes and cut around pipes and cables. But you never press batts behind pipes since that would compress it.

Sometimes, it's best to also use spray foam to fill in small gaps inside the wall that might allow for air to pass through or for condensation to build up. Many batts have a paper backing that acts as a vapor barrier, but open faced batts are also sometimes used.

And for exterior facing walls, a vapor retardant poly film may be installed over the batts and stapled to the studs to keep it in place - this will help maximize energy efficiency with the walls that could potentially be the coldest otherwise.

Which Type of Insulation Should I Put in My Walls?

Fiberglass is the most affordable type of walls insulation, and it will give you enough insulating power for most situations. The fibrous material creates many air pockets that make for a high R-value, while the tiny glass shards scattered throughout give the material greater strength and durability. Fiberglass is also fire resistant.

At Pure Eco, we deal primarily in three different types of insulation: fiberglass, cellulose, and Roxul Soundproof.

However, fiberglass can be very itchy and needs to be handled with gloves, full protective clothing, and a face mask. It should not be left open face in a room you frequently use.

Cellulose is manufactured from recycled paper and cardboard, making it very eco-friendly. It packs tight, allowing little oxygen within the material, and it is treated to make it fire, mildew, and insect resistant. Cellulose costs a little more than fiberglass, but it also lacks the "itchy" quality of fiberglass.

If you want to not only heavily insulate a room but also soundproof it, Roxul Soundproofing Insulation is an excellent insulation to have installed in your walls. You can dampen sound a little bit even with batts, by caulking between top plates and along the bottom plate, but that is limited in its effects.

Roxul is made out of volcanic basalt rock and recycled metal slag. The resultant material is resistant to virtually everything, and its R-value is huge. This is also a very eco-friendly product that uses natural and recycled materials. But the main purpose for getting Roxul is that it is today's top-of-market sound barrier insulation product.


How Much Money Can I Save With New Insulation in My Walls?

Given the diversity of energy usage, building sizes and shapes, types and amounts of insulation used in walls and elsewhere, and other factors, there's no way to give a single one size fits all answer to the question of how much you would save by putting insulation in your walls.

But suffice it to say that uninsulated walls are constantly leaking energy and driving up your heating and cooling bills dramatically every single month.

Lack of proper or sufficient insulation, along with air leakage and inefficient HVAC systems, is a major cause of energy loss and high electric and gas bills.

Consider that the average US household spends over $150 a month on utilities. Heating and cooling account for almost 55% of the average electric bill. If you reduced your home heating/cooling costs by, say, 30%, even that could save you hundreds of dollars per year, every year for decades on end.

Around 35% of heat loss from buildings occurs when heat leaks out through the walls. It's true that heat rises and that it naturally would exit through the attic (25% of heat loss does occur there), but many more people have their attics well insulated than their walls, which helps account for these statistics.

The bottom line is, you are losing hundreds of dollars every year needlessly if your home has uninsulated walls.

And uninsulated walls also increase the demands placed on power plants that burn fossil fuels and increase our collective impact on the environment.

The Importance of Air Sealing

At Pure Eco, we offer full insulation services, including of course insulation of walls. But we also offer a number of important "accompanying" services, chief among them being that of air sealing.

If you have drafts in your home, be it in the walls, attic, ceilings, or wherever; that is going to counteract the effect of your insulation to a degree, lowering its R-value.

Especially before insulating attic walls, it's important to inspect for air leaks and seal them. We at Pure Eco can provide this service for you at the same time we install the insulation itself.

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Deciding on How to Insulate Your Walls

Once you've made the decision to have your walls insulated, the next step is to decide which kind of insulation to use and whether it will be blown in or batts. And if blown in, you have to further decide on if you want it blown in from the inside or outside of the wall.

If you don't want to damage your drywall (although, again, the holes can be fully repaired), you might want insulation blown in from the outside. But if you have stucco instead of easily removable and re-position-able vinyl, wood, or aluminum siding, you might rather blown your insulation in from the inside.

And the choice between batts and blown insulation is very real when you are talking about newly built construction or a wall opened up for a home renovation project.

There are many factors that go into deciding these matters, as well as into deciding on an insulation type that delivers enough R-value, is environmentally friendly, and still fits your budget.

We at Pure Eco are experts in all of these matters. We have a lot of experience in helping home and business owners understand and weigh all of these competing factors so as to make an informed decision on their walls insulation that they'll benefit from for many years to come.

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Why Choose Pure Eco?

We at Pure Eco understand how competitive the insulation and energy efficiency services market are, and we never take your business for granted.

We strive every day to deliver superior service and products to our customers that will set us apart from our competitors. And based on our overwhelmingly positive customer reviews on Yelp and elsewhere online, our extremely high customer satisfaction rate, and the large percentage of new jobs we get on referral from past clients - we believe we are meeting the high goals we set for ourselves to be true industry leaders.

We treat our customers with respect and put a high premium on excellence in customer service, besides on true workmanship and a high work ethic.

Also, we can take care of all of your home insulation and energy efficiency related needs. That saves you time and money because you don't have to hunt up different companies to tackle each individual task. We are a "one stop shop" for a full home energy upgrade - including but not nearly limited to installation of new insulation in your walls!


Contact Us Today for Assistance!

At Pure Eco, we have deep experience in insulating walls to reach their maximum R-values and in helping you upgrade both the energy efficiency and eco-friendliness of your whole building.

We have served Los Angeles and all of Southern California for many years with top-tier insulation and energy efficiency services of all kinds. Over the years, we have had a big impact and helped lower the collective carbon footprint of the L.A. Area.

To learn more about insulation for walls or for a free, no-obligation quote, contact Pure Eco today by calling (877) 870-7998 . We can give you a free consultation and help you get started on upgrading the energy efficiency of your home!



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Christopher G.

Christopher G.

I already had my main attic done last year by a different company that did not do what they said they would and ended up damaging my ceiling. Decided to go with a different company this time around for a smaller attic of an addition that isn’t directly connected to the main attic.

The attic had no insulation at all (built in the 1930s). It needed debris vacuumed out, rodent proofing, and R-38 batt insulation.

After getting quotes from several folks, decided to go with Pure Eco. Quick turnaround, reasonably priced, good professional crew lead by Martin, and clear communication through my assigned contact Jasmine. Discussion and quote was based on photos I took. Contract and payment was handled all through e-doc services. And they made sure to give me an overview of the work done before leaving. The difference in temperature was a noticeable improvement that night.

Highly recommend.

Mark F.

Mark F.

Our home needed some serious insulation and duct work done. It was awful and quite old (the insulation shrunk to approximately 3″). We called three companies for a quote, and we only saw two. We decided to go with them, before seeing the third, because of the amazing deal they offered and because they would be able to do it immediately. Ben was our sales guy and he was more than helpful and extremely knowledgeable. He made sure to inform us that they are licensed, bonded, and have workers’ compensation insurance, which kept me at ease.

The following day was the installation. Ben told us that they would be there from 8AM – 7PM (latest). They arrived on time, and completed the job by 3PM!!! I was shocked and thoroughly pleased. William, the supervisor of our job, was extremely friendly, and his crew was very professional. They cleaned up their mess; it looked as clean as when they arrived.

I highly recommend them and think that anyone that uses them will do so as well. Hi

Mary Beth

Mery Beth W

I am a firm believer in referrals from friends when it comes to anything for my home and this company was a good referral for sure. My husband and I love Pure Eco and would definitely recommend them to everyone.

They have very professional installers and managers. Everything went smoothly from the scheduling to the end of the job. They use new machines and trucks (I tend to judge a book by it’s cover, unfortunately).

We had them replace our duct system and they installed Radiant barrier. They came in and did their job and left with no mess behind. Definitely give them a try!

Mery Beth W.

Ron S.

Ron S.

We recently bought a house in Canyon Country and the garage was completely exposed and got extremely hot this time of year. When it was 90 degrees outside, the garage was well over 100 degrees. I got quotes from about a half dozen companies but was the most impressed with Pure Eco, especially their representative Sara. She was very helpful and she worked with me on the quote and gave me a lot of of great suggestions as to the best way to get our garage as cool as possible while staying within our limited budget. She recommended insulating the ceiling and front gable and then putting in radiant barrier. Her team came out and did the job in one afternoon and cleaned up afterwards. And now our garage is a LOT cooler. I can definitely recommend Pure Eco.

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