Insulated Furring Strips For Siding

A homeowner in southwest virginia wants to install engineered wood siding over exterior foam insulation but finds that the manufacturer s installation instructions raises concerns he hadn t thought of.

Insulated furring strips for siding.

Create a level surface for attaching wallboard and paneling. Insulation for vinyl siding. Establish an air space perfect for masonry insulation and cedar shingle projects. The extra layer of insulation helps reduce thermal bridging through wood framing and the furring strips create a ventilation space behind the siding that promotes drying.

O install furring strips no more than 16 o c. Home slicker is not needed for this product. Furring strip is perfect for a wide range of uses. 1 siding shall be installed to safely resist all loads including wind loads of the locally.

When applying james hardie siding to furring strips which is applied on foam sheathing or other non nailable substrates e g. Wall assemblies that incorporate rigid foam insulation over exterior sheathing followed by furring strips and siding are becoming common. Choosing the right furring strips is key to preserving a warranty for this engineered wood siding. Trapped moisture from driving rain or condensation can cause major problems.

If i use any type of strip i think i d like to use a plastic product that won t rot. This will provide an even wall surface for the siding and help avoid any waviness. But writing in a q a post at green building advisor sonny chatum wonders whether this wall system often called a vented rainscreen is compatible with vinyl siding. I also like that most of these products are semi hollow or grooved so that water can also channel down the strip too.

Furring strip board is perfect for a wide range of uses including carpentry hobbies shelving and general finish work. Trim and lap siding may be installed on rigid foam insulation over furring strips. Every piece of 2 in. Often used to establish an air space when applying siding perfect for masonry insulation and cedar shingle projects.

This will increase the fasteners holding power. William costello is building a new house in southwest virginia that will be framed with 2x6s and will include up to 2 inches of exterior rigid foam insulation. Furred existing siding furred existing siding should be covered with insulated sheeting or the spaces between the furring strips should be filled in with insulated sheeting equal in thickness to the furring strips. I know several of you are advocates of either furring strips or 1 4 inch thick fanfold insulation cut on a table saw.

Create a level surface for attaching wallboard and paneling. Vinyl is applied with roofing nails. In wind speed areas less than or equal to 200 mph. We recommend ring shank nails for application.

Trim and lap siding must be installed over a minimum 1x4 nominal size southern pine furring strip with a specific gravity greater than or equal to 0 55. We recommend adding furring strips to your sips for shiplap siding. Gypsum sheathing with a combined thickness up to 4 inches thick the foam sheathing and other non nailable substrates do not have nail holding capacity. Adding furring strips negates the need for home slicker because this will create an air space behind the siding.