Cement Siding Over Foam Insulation

The foam on the outside keeps the wood frame.

Cement siding over foam insulation.

I have a 1996 double wide mobile home that needs new siding and windows. Well call me half hazard. Of course i did this all knowing my warranty would be void. Plus rigid foam insulation applied over the outside walls.

My siding is mostly in good shape. Concrete cultured marble glass. When applying james hardie siding directly over the combined thickness of foam sheathing continuous insulation and other non nailable substrates e g. I d like to side it in fiber cement siding to match the existing house.

Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. Lp siding with fern strips over insulation. Current pneumatic nailers have maximum fastener lengths. It adds up to a robust system.

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. 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. 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. Gypsum sheathing up to 1 inch thick the foam sheathing and other non nailable substrates do not have nail holding capacity.

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. 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. 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. 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.

Insulated vinyl siding is standard vinyl siding with a backing of solid rigid 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. 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. The 2015 remodeling magazine cost vs.