Fiber Cement Siding Require Sheathing

Hardie siding problems a k a.

Fiber cement siding require sheathing. When sheathing is the preferred surface that will receive the fiber cement siding or any other fragile substrate be sure to pre drill the holes at corners to prevent accidental damages. Be sure that the siding installed is dry. Otherwise it might shrink at butt joints. Fiber cement is attached using corrosion resistant galvanized or stainless steel nails or screws that penetrate studs or exterior sheathing.

Single wall construction is when the siding is applied directly to the studs without any sheathing like osb or plywood first. Fiber cement siding should be installed over plywood osb or sheathing. Problems with hardie siding. They re cheaper and easy to install and you can cut the proper size hole in a plastic mounting block with a utility knife or a snips.

Single wall construction with fiber cement siding is perfectly fine for non wind non coastal areas of the country as displayed in the photo below. Most fiber cement manufacturers make mounting blocks for lights electrical receptacles a c lines pvc venting etc. Fiber cement problems are rare but do happen from time to time. Jaime prefers to use the vinyl mounting blocks typically used with vinyl siding.

Many fiber cement siding planks can be blind nailed onto.