Insulation Value Of Fiber Cement Siding

Fiber cement and vinyl r values.

Insulation value of fiber cement siding.

While fiber cement siding is energy efficient vinyl siding has the potential for this too. That includes standard vinyl steel or aluminum siding without added foam insulation. When vinyl siding is optionally insulated it can achieve r 2 values and even greater. Method 1 james hardie siding installed directly over continuous insulation c i and other non nailable substrates e g.

Thermal conductivity k 0 744 for cement board k 0 14 for asbestos millboard and k 1 66 for asbestos cement sheets. 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. Fiber cement siding doesn t add much insulation to your wall system measuring in at a mere r 0 50. Standard aluminum steel or vinyl siding.

Fiber cement siding is a hardened concoction of cement sand and synthetic polymers. Adding specialty siding insulation can make your fiber cement job energy efficient and more durable. 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.

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. James hardie offers either 30 or 50 year warranties on all of their fiber cement siding options. Fiber cement insulated vinyl siding and fiber cement can both provide a durable exterior solution for your project.

Designed to withstand physical trauma water damage and sun damage it can thrive in all climates. Compare costs easy of installation colors painting options durability thickness r value length of life and more to decide which is the best siding for your home. Here s a brief list of siding materials and their r values. Most siding materials have an r value of less than 1.

And other non nailable substrates e g. That s a little less than you ll get from vinyl siding which. See all insulation for fiber cement.