Those are mainly responsible for distinct R values. R-19 insulation is a thick-caliber product composed of fiberglass, plastic, mineral wool, or natural fibers. Conclusion – Which is Better Insulation?.R19 Insulation Vs R13: Detailed Features Comparison.Quick Comparison Table: R19 insulation vs R13.Hopefully, this read made it easier for you to understand how R13 insulation can be reached. We’ve given you a list of the most commonly used products and the minimum thickness required for each. There are several insulation materials out there that you can use to attain an R13 rating. This is applied only when your previously installed insulation is in good condition, and you’re looking to upgrade to R13. Instead, topping it up with enough material would increase the overall insulation rating to R13. If you already have insulation installed, you won’t have to go for R13. To see whether R13 is your cup of tea, you’d have to consider several factors such as your region, your house, and the material you’re going for. Most buildings in regions with temperatures that go slightly high in summers and winters typically require insulation of R6 to R20. Generally speaking, R13 is not far from the standard insulation rating. You can also use my insulation thickness calculator to find out the thickness required for different insulation materials for your desired R-value. If you decide to go for loose-fill, a thickness of 4 to 4.5 inches would be adequate. Rockwool in the form of batts would require around 3.5 to 4.1 inches of thickness to make it R13. You’ll also find Rockwool to be a great insulation solution in terms of its longevity. It has several unique features such as high R-value, moisture resistance, and sound insulation. Later on, the wool-like fiber is either made into batts or loose-fill. After that, the liquid form is spun like cotton candy to make fiber components resulting in Rockwool. As the name suggests, Rockwool is made up of natural rocks that are placed in a blazing hot furnace until they melt. Rockwool hasn’t been around for that long, but its popularity seems to be increasing as we speak. Some of these include sound resistance, pest elimination, and fire-retardant properties.Īround 3.5 to 4 inches of cellulose thickness would be enough to make your insulation reach the rating of R13. Due to its unique composition, cellulose offers several other benefits than just blocking heat energy. It comes in the forms of both batts and loose-fill but the latter is not a popular choice in this age. Cellulose has several similarities with fiberglass. One of the oldest and most traditional insulation solutions is cellulose, which is comprised of recycled paper fibers. R13 spray foam insulation thickness is 2 to 2.5 inches for closed-cell type, and 3.1 to 3.7 inches for open-cell type. The main difference between them is that the density of closed-cell spray foam is higher than open-cell foam. Spray foam is commonly available in two types, open-cell, and closed-cell. Although it is a bit expensive, it can insulate your house, unlike any other material. Furthermore, spray foam neither becomes compressed nor loses its R-value for decades to come. This makes it one of the most effective insulation materials out there. Due to the material being in liquid foam form, it can easily make its way into small spaces and miniature openings. Spray foam insulation is a liquid foam that is sprayed on walls, attics, and between studs. R13 insulation thickness for fiberglass batts is 4 inches and for loose-fill fiberglass insulation that is 5 inches. You’ll obviously need a blower for loose-fill, but for batts, a couple of tools would be sufficient to make it an enjoyable DIY project. One of the best parts about fiberglass is its easy installation. The specialty of the material is its ability to trap air flow within its fine fibers, making it a good insulation solution. Batts are rolls positioned between joists and studs, while loose-fill can be blown on any surface. Fiberglass is widely available in the market in the form of batts and loose-fill. This material is made up of puny glass fibers that are tangled together tightly. Here are the common insulation materials and their R13 thickness Fiberglassįiberglass is one of the most commonly used insulation products out there. However, the R13 figure given in inches may vary slightly due to multiple factors. These are some of the most commonly used insulation materials. R13 insulation thickness for different materials The following table will help show how much thickness an insulation product needs to offer an R-13 rating. Material Thickness Required to Achieve R-13
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