Cement Siding Over Foam Insulation

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.

Cement siding over foam insulation.

When applying james hardie siding directly over the combined thickness of foam sheathing continuous insulation and other non nailable substrates e g. 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. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. 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.

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. My siding is mostly in good shape. Also are triple pane windows too heavy for a double wide mobile home with 2 6. 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.

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. Well call me half hazard. Insulated vinyl siding is standard vinyl siding with a backing of solid rigid foam insulation. I d like to side it in fiber cement siding to match the existing house.

Gypsum sheathing up to 1 inch thick the foam sheathing and other non nailable substrates do not have nail holding capacity. Current pneumatic nailers have maximum fastener lengths. It adds up to a robust system. Of course i did this all knowing my warranty would be void.

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. I have a 1996 double wide mobile home that needs new siding and windows. The foam on the outside keeps the wood frame. 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.

Lp siding with fern strips over insulation. 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. The 2015 remodeling magazine cost vs. Siding over rigid foam.