Frequently Asked Questions About Insulation

Do you have questions about insulation? RWS has answers! Below are answers to common concerns and questions we hear from our customers.

The “R” in R-value stands for resistance to heat flow. The higher the R-value, the higher the level of resistance and the greater the insulating power. R-value requirements vary depending on climate and building type.

The amount of insulation needed varies depending on location, building type and materials. We can provide more information about the recommended R-Value once we discuss your project scope.

Yes! In 2021, the U.S. Federal Government is offering a tax credit of up to $500 (10% of the material cost) for homeowners who make certain energy efficiency upgrades in their home, like adding insulation. Visit ENERGY STAR to learn more or contact us with questions. Also check out the U.S. Department of Energy’s DSIRE database to see if you qualify for any additional rebate programs.

Airborne noises such as conversation, running appliances, electronic devices and household equipment carry and echo through walls, ceilings and floors. Good insulation has the ability to drastically reduce such atmospheric interference, leaving rooms much quieter. According to, insulating your home can reduce the noise from outside your house as well as make it harder for pollen, dust and insects into your home. It also allows for better humidity control and may lower the chance for ice dams on the roof/eves in snowy climates. In addition to keeping the noise levels low, this will also improve the overall comfort of your home.

There are a few types of insulation materials to choose from, each having its own set of pros and cons. The insulation type you choose will depend on your needs.
Insulation Types

  • Batt & Roll
  • Loosefill
  • Rigid Foam
  • Spray Foam

Insulation Materials We Install

Every insulation job has its own unique set of requirements, and every homeowner has their own budget guidelines. To make an informed decision, it’s important to talk to a knowledgeable insulation expert so you can learn exactly what options are best for you. Contact RWS Insulation Services to discuss your specific needs.

Air sealing means sealing the cracks, crevices, and other areas in your home that may be leaking air. We seal these areas with caulk and foam products.

Air sealing your home will have a number of advantages. It will reduce your energy costs. If heated or cooled air is not able to leak out of your home by way of cracks and crevices, then it will remain in the home where it will continue to keep your home comfortable without the need for turning up the heat or air conditioning. Air sealing will also improve indoor air quality by not letting pollutants in through those same cracks and crevices. The overall comfort of your home will improve.

Fresh air is definitely needed in any home. This is useful for getting rid of excess moisture and reducing odors and stuffiness. If the air being exchanged is controlled, the home is well ventilated. Every home needs a certain amount of ventilation. The danger lies in the air exchange is uncontrolled. Uncontrolled air exchange is called air infiltration.

Energy conservation and sustainability are greatly improved by the proper insulation choice. By having a properly insulated and air sealed home, you’re decreasing air infiltration and the amount of energy necessary to heat, cool, or maintain a comfortable interior climate. Sustainability is another important factor. Using materials that will prolong the life of the structure will allow less material usage over time.

There are two main factors to consider when thinking about the green qualities of an insulation material. First, does the material promote energy conservation and/or sustainability? Second, is the insulating material made from renewable or recycled product? All insulation has some “green” characteristics due to the fact that insulation keeps conditioned air within a structure and reduces energy usage to a certain degree.

Insulating your crawl space will prevent cold temperatures from traveling up the floor beams, which makes your floor above the crawl space more comfortable. Crawl space insulation also helps control moisture issues.


Have more insulation questions? We have answers! Contact RWS Insulation Services today.