Insulation, Attic Ventilation, and Your Roof

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What You Need to Know About Insulation, Attic Ventilation, and Your Roof

When it comes to your home, you may not realize that your roof has a few layers that protect your home better. Underneath the shingles and underlayment comes the roof deck, which can benefit greatly from attic ventilation and insulation. Of course, it can also be doomed by the lack thereof.

Whether you’re interested in a lower electric bill or saving the planet, proper insulation and vents can reduce ozone gases. Think about how heat travels within a house. It naturally rises and finds its way to the coldest areas.

Above everything is your dark attic, so heat will end up there. Without proper insulation, the heat will escape into the ozone and leave your heating unit working harder. That’s why insulation is responsible for retaining your home’s air and has a huge effect on heating and air conditioning.

We always recommend hiring a professional for your insulation to make sure it’s done right. When you call VLR Homes, LLC at 423-493-3636 today, you can do so with confidence. We know all about roofing and your home, so schedule your free inspection today!


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Need Insulation and Attic Ventilation?

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Of course, as important as insulation can be, you also need the right ventilation to get the most out of your roof. Without ventilation, your roof and insulation can become wet and invite mold growth.

Air flow and the right number of vents affect the longevity of your roof. However, there are more positives than you might think:

  1. Ventilation can prevent ice dams from forming during the winter. By circulating air underneath, water will continue to run off your roof.
  2. Metal roofing and parts that are metal are prone to rusting without ventilation.
  3. Stagnant air can cause shingles and other materials to overheat and crack faster. 
  4. As we mentioned, air flow reduces the likelihood of mildew, mold, and other bacteria forming.
  5. The wood of your roof deck, which holds everything up, needs to be kept dry and air circulation plays a big role in that.

Attic ventilation is essential to keeping air moving and extend the lifespan of your roof. Moisture can seep into your roof and, without air flow, the humidity is detrimental. The wood of your roof deck and begin to weaken or warp and the materials above will crack.

You need enough vents and you need them functioning correctly for the best results. Obviously, the bigger your home, the more vents you’ll need and the more that can become blocked. Our experts know what to look for with your ventilation system. When you call us at 423-493-3636, you’ll be in the best hands to make sure you’ve got enough air circulating! 

How Can Insulation Attic Ventilation Help Your Roof?

Something that a lot of homeowners don’t know is how much of their home’s air gets lost through the attic floor, but it’s almost half! This is largely due to poorly installed or outdated insulation, but there’s also the issue of humidity from stagnant air. That moisture can wreak havoc on your roof deck and repairs or replacements add up fast.

Still, before addressing your insulation problem, we need to make sure that your home doesn’t have any leaks. Water stains or spots on your roof are a dead giveaway, but we check a number of things. Recessed lights, the intersections of walls and ceilings, and circuit breakers are prone to leaks.

Any leak within your home can render insulation less effective, so it’s important to find them. Our team knows how to fix those leaks and then we can work on the insulation. Still, as we discussed earlier, insulation and ventilation have to work in tandem.

There are a handful of “golden rules” with ventilation that we always use when we look at homes. While we’ll make sure that your insulation is installed correctly and your current vents are clean, these rules are important. The type of vents, number, and air flow are all ingredients that have to combine for your home to function with maximum efficiency.

If you’re a new homeowner or it’s been a while, you might not know all the ventilation types. The number of intake vents have to be the same as ridge vents or exhaust vents, for example, to get the right amount of air moving.

There are local and area codes that need to be followed for the number of vents. Some have it spaced out to 300 feet, but most homes need to have a vent every 150 square feet. It’s not only for your safety, but to help your home.

Correct insulation and ventilation can retain your home’s heating and cooling, while proper ventilation can increase the longevity of your roofing and prevent damages. All of the above can save you money on roofing and electric expenses, so give us a call today at 423-493-3636 to schedule a free estimate!

We Know Attic Ventilation and Insulation

One of the most-common materials that homeowners trust for insulation is fiberglass. It’s thicker, which makes it effective at retaining temperature, and it’s easy to work with. It’s faster to install than some materials, so you might also save on the installation.

There are different levels of thickness for you to choose from with fiberglass that can be layered. This means you’re not restricted to a heavy thickness, but it does determine the R-value. Fiberglass comes in rolls, or batts, while another material that homeowners like it blown-in insulation.

Similar to stuffing a teddy bear, we can easily know how much insulation is being used and it’s simple. Especially with this one, baffles are installed to keep your vents clear from insulation. Otherwise, they can get clogged or not vent air as effectively.

If you saw R-value above and wondered what that is, it’s your insulation’s ability to retain heat. R-value is essentially thermal resistance, which is determined with the material’s thickness and the amount of insulation you’ll need.

A professional will know, for example, that fiberglass can be layered to have the same R-value as other insulation types. However, because of the spaciousness that attics offer, most materials can be made thicker so you’ve got options when it comes to the insulation.

Loose-fill is another material for insulation that thicken to whatever R-value we need to reach. The reason we say that is because different areas require different R-values to be deemed insulated correctly. Don’t wait to call us at 423-493-3636 to find out more!

VLR, Homes, LLC has a knowledgeable staff when it comes to roofing, ventilation, and insulation. We want you to know you can trust our experience and expertise. There are some common questions we get, so here are a couple of those answers:

  1. The overall cost of attic insulation is affected the most by the material. Insulation is mostly determined by square footage and adds up, so things like fiberglass batts are frequently chosen for the cost-efficiency.
  2. In fact, the two insulation materials homeowners want the most are loose-fill and fiberglass. Still, the availability of space in your attic or your roof’s slope can play a factor in your material decision.

We’ve covered a lot about attic ventilation, insulation, and your roof, but we know it can be daunting. When you’re ready to talk to professionals and start helping your electric bill, give us a call at 423-493-3636 today! You deserve a temperature-controlled home and your roof deserves the right amount of air circulation, so don’t hesitate to reach out!

Service Areas

  • HQ: Soddy-Daisy, TN
  • Bakewell, TN
  • Dayton, TN
  • Graysville, TN
  • Harrison, TN
  • Hixson, TN
  • Lupton City, TN
  • Ooltewah, TN
  • Red Bank, TN
  • Sale Creek, TN
  • Signal Mountain, TN
  • Walden, TN

About VLR Homes, LLC

Founded in 2019 by Francisco Romero, VLR Homes is dedicated to providing the area with roofing and remodeling services of the highest standard. Find out how this family-owned and operated company can put over a decade of general contracting experience to work for you!

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VLR Homes, LLC



We have engaged Francisco and VLR Homes 3 times now. From painting the house, remodeling a master bath and constructing a screened in porch area they have responded with quality work at a fair price. When things came up like they always do, VLR had a solution (some panels of 50 year old siding replaced with Tyvek and up to code replacement). Again, at a fair price and done right the first time. Francisco is responsive with the good and the bad news  straight up and always with a plan. We intend to use VLR in the future for projects large or small.

-Paul N. in Hixson, TN

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