Insulation FAQs

Our goal at Liberty Insulation is to meet all your residential or commercial insulation needs. If you have questions, we’re here to answer them.

Read on for a not quite exhaustive (but close) list of frequently asked questions about insulation. We’ll attempt to explain every who, what, when, where, and how question you might have about insulation for your home or building.

Need more information about any of our insulation products or services? Contact us today to speak with a member of our expert insulation team.

Understanding Insulation

Q: What are the different types of insulation?
A: The main types of insulation are loose-fill (blown-in), batts, foam, and foam board. Loose-fill insulation is made of tiny pieces of insulation that are blown into open spaces. Batts are flat pieces of spun insulation that are cut to fit snugly into any size space, and foam insulation is a liquid that expands and dries. These types of insulation can be made from a variety of materials including fiberglass, cellulose, mineral wool, spray foam, and rigid foam.
Q: What is the R-value and how does it affect insulation performance?
A: R-value measures your insulation’s thermal resistance, essentially how much insulating power your insulation has. The higher the R-value, the greater the insulating power of your insulation. This improved insulation performance enhances energy efficiency and temperature control in your home or building, keeping you and your family comfortable throughout the year.
Q: How much insulation do I need in my home?
A: The amount of insulation your home needs depends on your climate zone-the colder the climate, the higher the R-value of insulation you’ll need. Most of Pennsylvania lies in zone 5, with small portions of the state in zone 4A. Check out this Energy Star map to see the recommended insulation level for your home or building.
Q: Where should I insulate my home?
A: Every home is different but the best places to insulate your home are the exterior walls, attic, basement, and crawl space. For added comfort, temperature control, and noise reduction you can also insulate your floors, ceilings, interior walls, and garage.
Q: How much does it cost to insulate my home?
A: The cost to insulate your home varies based on the size of the project, type of insulation used, and the contractor you hire. Fiberglass is one of the most affordable insulation types while spray foam is the most expensive yet has the best return on investment (ROI).
Q: What are the benefits of insulating my home?
A: There are so many! Here are some of the biggest benefits:

  • Energy Efficiency: Reduced heat transfer lowers energy consumption, giving your HVAC system a break, leading to lower utility bills.
  • Comfort: Maintains consistent indoor temperatures, enhancing overall comfort.
  • Cost Savings: Lower energy bills contribute to more money back in your pocket overtime.
  • Environmental Impact: Decreases energy usage, reducing your carbon footprint.
  • Property Value: Energy-efficient homes often have higher resale values.
  • Noise Reduction: Acts as a sound barrier, enhancing acoustic comfort for a quieter home.
  • Climate Adaptation: Provides insulation against both cold and hot weather, adapting to various climates.
  • Fire Resistance: Many types of insulation are designed to be fire resistant and slow down the spread of fire.
Insulated Pennsylvania Home
Installation installer

Diving Into the Benefits of Insulation

Q: What are the safety benefits of insulating my home in Pennsylvania?
A: One of the biggest safety benefits of insulating your home is that insulation regulates your home’s indoor temperatures, preventing extreme cold or heat.
Q: What are the warmth benefits of insulating my home in Pennsylvania?
A: Staying warm and cozy inside your Pennsylvania home while the winter weather swirls outside makes every inch of insulation worth it. A well-insulated home minimizes heat loss in cold weather, creating a more comfortable indoor environment, reducing energy consumption, and lowering heating costs.
Q: How can insulation help to reduce my heating costs in Pennsylvania?
A: Insulation (combined with air sealing) ensures the heat produced by your heating system stays in your home, significantly reducing your heating costs. For example, a well-insulated attic prevents heat from rising and escaping through your roof, while insulating and sealing gaps around windows, doors, and other openings eliminates drafts and heat loss. These improvements help maintain a consistent indoor temperature, reducing the use of your heating system.
Q: How can insulation help to improve the comfort of my home in the winter in Pennsylvania?
A: Insulation and air sealing are key components of staying comfortable throughout a Pennsylvania winter. Together they help regulate your home’s indoor temperature, minimizing drafts and cold spots, to keep each room warmer.
Q: How can insulation help to improve the indoor air quality in my home in Pennsylvania?
A: Insulation helps improve your home’s indoor air quality by preventing drafts and reducing the entry of outdoor pollutants into your home. Combine your insulation with air sealing to seal air gaps around your home for the best indoor air quality. Spray foam insulation is the best product for this.
Q: How can insulation help to improve the fire safety of my home in Pennsylvania?
A: While insulation itself can’t prevent fires, it can provide fire resistance. Materials like mineral wool or fiberglass are the most fire-resistant types of insulation because they’re non-combustible and can withstand high temperatures. Be sure to install only insulation materials that have a Class 1 Fire Rating. These materials will help contain fire and slow its spread, giving you and your family valuable time to escape.
Home savings
Woman reviewing a heatmap image of her home next to an invoice.

IECC Codes

Q: What are the the IECC requirements for insulation in Pennsylvania?
A: This IECC Compliance Guide lays out the most current International Energy Conservation Code requirements for energy efficient residential construction in Pennsylvania.
Q: How do I know if my home meets the IECC insulation requirements?
A: You can hire an energy auditor to assess your home’s insulation levels and compliance with IECC requirements.
Q: What are the benefits of meeting the IECC insulation requirements?
A: When your home meets IECC insulation requirements and complies with building codes, you can enjoy the peace of mind that comes with enhanced energy efficiency, reduced utility bills, comfortable indoor air temperatures, and a lower carbon footprint.
Inspector making notes on a clipboard near a window and exposed ducting.

Tax Savings

Q: Are there any government incentives for insulating my home?
A: Absolutely! Both the federal and local government provide incentives to encourage home and business owners to properly insulate their structures. Check out our Tax Credits page for more information about the new Federal Inflation Reduction Act (IRA). You can also visit the Pennsylvania government’s Financial Incentives for Pennsylvania Residents page to see what local incentives you may qualify for by upgrading your home’s energy efficiency.
Q: Is there a state income tax credit for insulating my home in Pennsylvania?
A: While there is no specific state income tax credit for insulating your Pennsylvania home, you can qualify for a tax credit from the IRS for up to $3,200 for making qualified energy efficient improvements to your home. Check out the details on the IRS website.
Woman holding pen and using calculator with same hand, at a home desk with financial paperwork.

Choosing the Best

Q: What is the best type of insulation for my attic in Pennsylvania?
A: The best type of insulation for your attic depends on various factors, including your budget, climate, and your existing insulation (if any). The most common options include fiberglass, cellulose, mineral wool, and spray foam insulation.
Q: What is the best type of insulation for my walls in Pennsylvania?
A: The best type of insulation for the walls of your Pennsylvania home or commercial building depends on factors such as the construction of your home or building, your budget, and the specific needs of your climate. Common options include fiberglass batt insulation, blown-in fiberglass or cellulose, spray foam, mineral wool, and rigid foam insulation.
Q: What is the best type of insulation for my basement in Pennsylvania?
A: As already mentioned, there are variety of factors that go into choosing the best insulation for each part of your home or building. Some of the most popular insulation choices for basements are rigid foam, spray foam, mineral wool, and fiberglass batt insulation (be careful of this choice if moisture is an issue in your basement).
Multiple samples of insulation materials, cut into a simple house shape and standing upright on the table.

“An Ounce of Prevention is Worth a Pound of Cure.” – Benjamin Franklin

Q: How can I insulate my home against air leaks?
A: To help stop air leaks it’s important to first identify the gaps and leaks in your home or building. These can be all over, including around lights, outlets, doors, and windows. Can foam insulation is ideal for small jobs while spray foam insulation is perfect for larger jobs such as insulating and air sealing your attic and around air ducts.
Q: How can I protect my home against moisture?
A: Some of the best ways to prevent moisture in your home or building are to fix leaks promptly, ensure proper ventilation, seal gaps, use dehumidifiers in damp areas, and use insulation that is an effective moisture barrier such as closed-cell spray foam. Read our handy article to learn more about protecting your home from moisture and water damage.
Q: How can I insulate my home against noise?
A: Consider insulating your floors and interior walls to lessen the sound between rooms, offices, and multifamily units. Properly insulated exterior walls will also keep outside noises to a minimum. For extra noise reduction it’s helpful to hang thick curtains and lay rugs on your floor to muffle noises.
Q: What are the best insulation practices for new homes in Pennsylvania?
A: For new homes and buildings, it’s important to take these practices into consideration:

  • Consult Professionals: Work with an architect or builder experienced in energy-efficient design.
  • High-Quality Insulation: Choose the most effective insulation for your home or building.
  • Air Sealing: Implement airtight construction methods to minimize leaks.
  • Proper Ventilation: Design an efficient ventilation system to maintain air quality.
  • Energy-Efficient Windows: Install windows with low U-values and high Energy Star ratings.
Q: What are the best insulation practices for older homes in Pennsylvania?
A: For older homes and buildings here are some effective insulation practices:

  • Energy Audit: Conduct an energy audit to identify weaknesses.
  • Seal Gaps: Use can foam and weatherstripping to seal gaps in windows, doors, and walls.
  • Add Insulation: Consider adding insulation to the attic, walls, and basement.
  • Upgrade Windows: Install energy-efficient windows or use storm windows.
  • Ventilation Improvement: Ensure proper ventilation to prevent moisture issues.

Whether your structure is old or new, it’s wise to prioritize a holistic approach that considers insulation, air sealing, and ventilation for optimal energy efficiency and comfort.

Q: How can I maintain my insulation?
A: Regularly inspect your insulation for damage, pests, and moisture. Be sure to seal gaps, repair leaks promptly, ensure ventilation, monitor for mold, and consider adding insulation as needed. It’s also important to conduct periodic energy audits for efficiency.
Q: When should I replace my insulation?
A: You should replace your insulation if it’s damaged, damp, or shows signs of mold. Also consider replacement for ineffective insulation that is causing higher energy bills.
window replacement

Finding the Right Person for the Job

Q: How can I find a qualified insulation contractor in Pennsylvania?
A: There are many ways to find a trustworthy contractor in Pennsylvania. Some suggestions are:

  • Ask for referrals from friends and family.
  • Read online reviews on sites like Google, Yelp, Angi’s List, and the Better Business Bureau (BBB).
  • Obtain multiple quotes and ask for references from past clients.
  • Ensure the contractor is properly licensed and insured.
  • Contact the expert team at Liberty Insulation, Pennsylvania’s largest independent insulation contractor, for help with all your insulation needs.
Insulation contractor