What is the best insulation for an attic?
Insulating your attic will save you money on energy bills, reduce air leaks and improve comfort and durability of your home. There are four main insulation materials. Each has its own advantages and disadvantages.
Fiberglass insulation, especially for attics, is a popular option. Unfortunately, fiberglass can cause skin and respiratory irritations. Therefore, homeowners should take extra precautions when installing it.
Fiberglass Batt
Fiberglass batts are one of the most popular forms of insulation for walls and attics. Fiberglass batt insulation is made up of tiny glass fibres that are encased within a thin blanket. It comes in various thicknesses and sizes to meet the R-value requirements for climates in North America. Fiberglass insulation can reduce energy costs, especially if your house is older.
Insulation boards are easy to install and are the best choice for DIYers that don't want to rent an insulation blaster. To ensure that they perform as expected, the installation must be done correctly. This is something building inspectors check before issuing building permits to new developments or existing houses.
As an alternative to fiberglass batts, cellulose and minerals wool offer a higher R-value for each inch than their fiberglass counterparts. They are eco-friendly, made from recycled materials, and require specialized installation by trained personnel.
Fiberglass Roll
Insulation boards are available in sheets or rolls. They are becoming a popular choice for attic applications. Insulation boards are made of tiny pieces of glass reinforced with plastic polymers. They offer excellent fire retardant qualities and can help achieve R-Values up to 7.5 per in.
Fiberglass can be installed as loose-fill to fill wall cavities, odd-shaped areas of walls or buildings. This is a job for professionals and requires special equipment.
Cellulose is a great option for attic insulation. It's made from recyclable materials such as newspaper and cardboard. It is possible to increase the R-Value of cellulose per inch by wetting it to control dust and mold. Plus, it is easier to cut and to install than fiberglass!
Cellulose
Insulating your attic can help your air conditioning and heating systems run more efficiently and save you money.
Fiberglass batts are a popular choice. They have an R-value between 3.1 and 3.4 per inch if installed by blowing in, or between 3.2-2.35 if they are rolled. Fiberglass batt insulation comes in a variety of thicknesses and is ideal for homes with wood framing.
Fiberglass insulation does not mix well with moisture. It can quickly lose its insulation value when exposed to moisture. This means that it needs to be protected against mold, mildew, and fungus by using moisture barriers and maintaining it regularly. Cellulose is a good alternative to fiberglass, as it has a higher R-value, and better fireproofing abilities. It's produced using recycled materials in mills that use electrical current, which produces no greenhouse gasses.
Mineral Wool
Mineral wool insulation is both eco-friendly and cost-effective. The process involves heating recycled slag or raw basalt before spinning it into fibers.
Mineral wool batts have many advantages over fiberglass in terms of their ability to retain R-value over time. They also offer lower installation costs because they are purchased on rolls, making them easier to install. Their longevity makes them a cost-effective product for insulation needs.
Mineral wool is not the same as fiberglass. It does not breathe as well and can cause respiratory problems if inhaled. It also requires special tools to install.
Attic insulation is influenced by many factors, including budget and climate. When looking for the best attic insulation, choose insulation with a high R-value. This number indicates how well heat is retained in a home.
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Insulating your attic will save you money on energy bills, reduce air leaks and improve comfort and durability of your home. There are four main insulation materials. Each has its own advantages and disadvantages. Fiberglass insulation, especially for attics, is a popular option. Unfortunately, fiberglass can cause skin and respiratory irritations. Therefore, homeowners should take…