Fiberglass Over Cellulose: Blown-In Insulation Upgrade

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Insulation is a vital component of any home, helping to maintain comfortable indoor air temperatures throughout the year. In recent years, there has been an increased focus on energy efficiency in buildings and homes, leading many homeowners to consider insulation upgrades.

One option for those looking to improve their insulation is fiberglass over cellulose, or blown-in insulation upgrade. This article will explore this relatively modern form of insulation in detail, examining the benefits associated with its use as well as potential drawbacks.

It will also provide guidance on how best to install fiberglass over cellulose insulation so that it performs at its best. With these insights, readers can make an informed decision when deciding if they should invest in this type of insulation solution.

Benefits Of Fiberglass Over Cellulose

Fiberglass insulation is an effective and efficient upgrade from cellulose insulation. It offers many advantages over the latter, including better fire resistance, improved thermal performance, as well as higher R-value per inch of thickness.

Fiberglass also has a longer service life than cellulose due to its superior durability in comparison. These benefits make it an ideal choice for homeowners who are looking to increase their home's energy efficiency while staying within budget.

In contrast, one disadvantage of using cellulose insulation is that it tends to settle down over time and lose some of its insulating properties. This significantly reduces its effectiveness and can lead to increased utility costs if not replaced regularly.

Additionally, cellulose insulation contains more organic material which makes it highly combustible when exposed to heat or flame; this increases the risk of fire during installation or repairs.

Given these advantages and drawbacks, fiberglass insulation clearly stands out as the preferred option for homeowners seeking an upgrade in their current level of home energy efficiency.

By choosing fiberglass insulation instead of cellulose, they get enhanced fire protection along with greater long-term savings on utilities bills without sacrificing quality or safety.

The next section will compare the cost between fiberglass and cellulose insulations so readers can understand how each type affects their overall budgeting needs.

Cost Comparison Between Fiberglass And Cellulose Insulations

When comparing the costs of fiberglass and cellulose insulation, it is important to consider both upfront and long-term savings. While fibreglass may cost more initially, its fireproof properties make up for that in terms of safety and security over the longer term.

Here are some points to consider when making a decision:

  • Fiberglass installation costs can be higher than those for cellulose blown-in insulation, but with proper maintenance and care, will last longer.
  • Cellulose has a lower initial cost as compared to fiberglass; however, it does not have any flame retardant properties.
  • With either material, an increase in R-value per inch means increased energy efficiency overall.
  • The type of climate where the home is located affects how quickly each type of insulation degrades due to moisture or temperature changes.
  • Properly installed fiberglass offers better protection against pests such as rodents or insects because of its dense structure.

The most significant difference between these two types of insulation lies in their fireproof qualities; while cellulose carries no fire rating at all, fiberglass provides excellent protection from flames and heat transfer in case of a blaze.

For homeowners looking for peace of mind knowing they have taken extra steps to protect their families should the worst occur, this alone makes fiberglass worth considering despite its higher upfront price tag.

Without question, weighing all factors carefully before deciding on which option best suits your needs is essential – from ROI to comfort levels during extreme weather conditions - so you can confidently move forward with your renovation project without having buyer's remorse later down the line

Fireproof Properties Of Fiberglass Insulation

Fiberglass insulation is a fire-resistant material, making it an excellent choice for homeowners looking to upgrade their existing cellulose insulation.

When compared to other materials such as mineral wool and polystyrene foam, fiberglass provides superior fireproofing properties due to its flame retardant components, which include boric acid, aluminum silicate, and sodium silicate.

In addition to these components, the density of fiberglass also helps resist the spread of heat through the insulation. This can help prolong the amount of time that a building stands before catching on fire in case of an emergency.

The effectiveness of fiberglass insulation when it comes to fireproofing can be further increased by using additional layers if needed or recommended by experts. Multiple layers increase the resistance against flames and smoke damage while providing added protection from extreme temperatures.

It is important to note that all types of insulation are designed differently and should always be installed properly in order to reach their full potential for fire prevention.

When choosing between different types of blown-in insulations, it is essential to factor in both cost and performance features like fireproofing capabilities provided by fiberglass over other materials available in the market today.

With proper installation techniques combined with quality products, home owners will have peace of mind knowing they have made a safe investment into their property's safety.

Continuing on this topic about environmental impact of blown-in insulation provides another layer of security for homeowners concerned about hazardous chemicals used during production processes and disposal methods related to insulation materials.

Environmental Impact Of Blown-In Insulation

Upgrading from cellulose to fiberglass blown-in insulation can improve energy efficiency, reduce noise pollution and provide greater fire safety. It can also help protect the environment by reducing greenhouse gas emissions and conserving resources.

The use of eco-friendly insulation is a great way to achieve green building goals without sacrificing performance or comfort.

Blown-in fiberglass insulation is made with recycled glass and other materials that are non-toxic, non-irritating, and biodegradable, making it an excellent choice for environmentally conscious homeowners.

Additionally, this type of insulation has higher R-values than traditional cellulose insulation, meaning it performs better in terms of thermal protection and soundproofing.

Fiberglass blown-in insulation also requires less maintenance compared to cellulose because it doesn't settle over time like its counterpart does.

Not only will homeowners benefit from lower utility bills but they'll be able to enjoy peace of mind knowing their home is insulated with an eco-friendly product that won't require frequent replacement or repairs due to settling issues.

Given its high level of performance coupled with its sustainability profile, fiberglass blown-in insulation is an ideal solution for those looking to upgrade from cellulose while still protecting the environment.

With careful consideration given to installation techniques as well as proper ventilation practices, homes insulated with this material can remain comfortable year round while contributing positively towards global conservation efforts.

Tips For Upgrading From Cellulose To Fiberglass Insulation

When looking to upgrade from cellulose insulation to fiberglass, there are several tips that should be followed. First and foremost, it is important to ensure all safety precautions such as wearing protective clothing, goggles and a respirator mask are taken when removing the existing material.

Additionally, check that any old attic ventilation systems are still in working order prior to installing new insulation.

In terms of installation, consider using R-value per inch as a guide for how much insulation should be used; typically around R-30 or higher is recommended for attics while basements may need an additional R-25.

Fiberglass insulation can come in either batts or blown forms depending on your budget and space availability. It is also necessary to make sure the insulation fits tightly against walls and joists so no air gaps exist - this will help increase efficiency and reduce energy costs over time.

Finally, it is essential to inspect the area after completion of installation for any potential drafts or holes which would result in heat transfer loss. Sealing these areas with caulk will improve overall performance of the fiberglass insulation system installed.


The decision to upgrade from cellulose to fiberglass insulation requires careful consideration when it comes to home improvement projects. Not only does this type of insulation provide superior thermal protection, but its fireproof properties also make it a desirable choice.

Furthermore, the cost comparison between these two materials makes fiberglass an attractive option for many homeowners.

When weighing up the pros and cons, it is important to consider how upgrading your home's insulation will impact our environment in the long term.

Blown-in insulation reduces energy consumption by trapping air inside walls and ceilings - slowing down temperature transfer and providing excellent sound proofing capabilities. This creates a more comfortable living space while reducing greenhouse gas emissions significantly.

Lastly, there are some simple tips that you can use if you decide to switch over from cellulose to fiberglass insulation.

Make sure you buy enough material for the job, measure twice before cutting any pieces, wear protective clothing when handling glass fibers and always adhere strictly to safety regulations at all times during installation.

With proper precautions taken, installing fiberglass blown-in insulation is easy and should be completed in one day or less with minimal hassle.

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