Do I Need Sheathing Under Siding

Minimum plywood thickness the international residential code specifies 3 8 inch plywood for sheathing walls with a standard stud spacing of 16 inches if the siding is nailed to the studs through.

Do i need sheathing under siding.

The wood that goes under residential siding exterior sheathing performs several functions. It provides a surface for the application of materials like siding and helps shield a structure from rain snow wind etc. Structural sheathing gives a home or commercial building integrity and rigidity. Be sure to check the siding manufacturer s directions and local codes to determine whether sheathing is required.

Or do you always need sheathing when doing hardie lap siding regardless. By doing so however you miss out on the opportunity to add add energy savings to the project. Can i install hardie lap siding over 2x4 studs with no sheathing on a small deck guardrail. I m do a re clad of a wood framed building.

It also provides a surface. We are installing hardie colorplus lap siding over e t1 11. Existing walls usually do not require sheathing unless you are stripping off the old siding and applying a different type that calls for sheathing. We are also re building these 10x10 decks with a 2x4 framed guardrail.

Vinyl siding can be installed directly over wall sheathing wood siding or stucco.