Cement Siding Over Foam 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.

Cement siding over foam insulation.

The foam on the outside keeps the wood frame. In a typical situation. Minimum nail length must accommodate sheathing and penetrate framing a minimum 1 inches. 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.

It adds up to a robust system. Lp siding with fern strips over insulation. Spray foam really is a magical tool for household insulation. Applying hardie siding directly through c i.

My siding is mostly in good shape. Although fiberglass has been commonly use for insulation spray foam can actually outperform it plus with so many ways you can use expanding foam this material certainly is handy now only if it could help us out with all of those concrete problems. 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. Well call me half hazard.

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. Of course i did this all knowing my warranty would be void. Plus rigid foam insulation applied over the outside walls. Concrete cultured marble glass.

Siding over rigid foam. When applying james hardie siding directly over the combined thickness of foam sheathing continuous insulation and other non nailable substrates e g. 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. 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.

And non nailable substrates 1 inches thick and less. I have a 1996 double wide mobile home that needs new siding and windows. Current pneumatic nailers have maximum fastener lengths.