Cement Siding Over Foam Insulation

February 13 2013 exteriors insulation air sealing siding i ve become a big fan of utilizing outsulation on all my houses over the last 2 3 years.

Cement siding over foam insulation.

Siding over rigid foam. Concrete cultured marble glass. I d like to side it in fiber cement siding to match the existing house. Plus rigid foam insulation applied over the outside walls.

Lp siding with fern strips over insulation. Almost any type of siding can be installed over the rigid foam cedar or redwood planks exterior plywood sheets cement fiber board or vinyl siding are common options. I have a 1996 double wide mobile home that needs new siding and windows. The building codes are all headed the way of requiring exterior rigid foam the 2012 iecc will require 1 2 foam to boost overall efficiency so i m really not too far ahead of my time with.

The foam on the outside keeps the wood frame. The 2015 remodeling magazine cost vs. Current pneumatic nailers have maximum fastener lengths. The bid i just got is from a company that wants to put vinyl siding with foam insulation attached to the siding on over the existing siding.

By filling the voids behind the siding s stepped profile the insulation makes the complete material stiffer and more resistant to warping and movement than conventional vinyl siding. When applying james hardie siding directly over the combined thickness of foam sheathing continuous insulation and other non nailable substrates e g. Cladding attachment over thick exterior rigid insulation background current building code does provide prescriptive means to attach cladding over exterior insulation table r704 3 note v. Value repor t listed the average price for 12 5 squares of fiber cement siding installed as 14 014 and foam backed vinyl siding at 15 184.

Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. My siding is mostly in good shape. However it is important to remember that insulated vinyl siding does not require expensive routine maintenance such as painting and caulking which can cost up to. Last year i installed lp lap smart trim shingles and the 4x8 sheets of lp with batts all over 3 of continous xps foam using fern strips.

According to my calculations if i want to use rigid foam insulation on the outside of the 2 6 walls with r 21 fiberglass in the wall cavities i need at least r 11 25 in order to avoid condensation on the inside face of the sheathing. Of course i did this all knowing my warranty would be void. Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation. It adds up to a robust system.