Insulation Value Of Fiber Cement Siding

James hardie offers either 30 or 50 year warranties on all of their fiber cement siding options.

Insulation value of fiber cement siding.

Most siding materials have an r value of less than 1. Gypsum sheathing with combined thickness of 1 inch or less method 2 james hardie siding installed to furring strips that are attached through the c i. Adding specialty siding insulation can make your fiber cement job energy efficient and more durable. When vinyl siding is optionally insulated it can achieve r 2 values and even greater.

Thermal conductivity k 0 744 for cement board k 0 14 for asbestos millboard and k 1 66 for asbestos cement sheets. See all insulation for fiber cement. And other non nailable substrates e g. Fiber cement siding doesn t add much insulation to your wall system measuring in at a mere r 0 50.

Current sources of asbestos r values such as engineeringtoolbox provide very inconsistent data. Homeadvisor s siding comparison guide explores the differences pros and cons of fiber cement and vinyl including information on james hardie s hardie board hardiplank fiber cement. Designed to withstand physical trauma water damage and sun damage it can thrive in all climates. Here s a brief list of siding materials and their r values.

Fiber cement offers minimal energy savings at 15 r value but can be installed with fanfold or insulating sheathing products to improve the r value of the whole siding system. Fiber cement and vinyl r values. That includes standard vinyl steel or aluminum siding without added foam insulation. While fiber cement siding is energy efficient vinyl siding has the potential for this too.

Standard aluminum steel or vinyl siding. That s a little less than you ll get from vinyl siding which. Fiber cement insulated vinyl siding and fiber cement can both provide a durable exterior solution for your project. Because vinyl siding is thinner than fiber cement siding it can better accommodate insulation beneath its surface.

According to the rsmeans 2014 residential cost data report the installed cost of vinyl siding is on average 201 per 100 square feet while fiber cement totals 300 for the same area. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g. Insulation for engineered wood engineered wood products provide beauty and durability of real wood but take performance a step farther when paired with custom siding insulation.