How To Install Hardie Board Siding Over Concrete Block

Most fiber cement manufacturers make mounting blocks for lights electrical receptacles a c lines pvc venting etc.

How to install hardie board siding over concrete block. Jaime prefers to use the vinyl mounting blocks typically used with vinyl siding. Any lower and you might see a few nail heads poking through the bottom of the next board any higher and your siding is likely to be loose and. When installing hardiplank lap siding over concrete or masonry surfaces the company recommends that you first install vertical furring strips either 2x2 wood strips or min. 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.

James hardie recommends the use of building paper type weather resistive barriers with all siding products. The house is about 35 years old so my concern is that bolting wood or other materials to secure the hardi board to onto the walls will crack the blocks destroy the mortar and create an utter nightmare. Technically cement board can be laid over a concrete slab as the base for a tile installation. New air coil nailer designed for installing hardie plank to concrete block with 1 1 4 x 145 ballistic pins no need for costly high pressure tools or compres.

A better solution is to prepare and resurface the concrete slab so that it can accept thin set adhesive or a mortar base onto which to lay tile. Installing hardie siding over concrete block. Has anyone had a project like this. Store flat and keep dry prior to installation.

But doing so is a very laborious time consuming process that is likely more trouble than it is worth. 20 gauge galvanized metal hat strips over the masonry on a maximum of 24 centers we recommend 16 centers to help avoid warping. Hardie plank siding has a nail line across the top of the board that is 1 down from the top and nails are supposed to fall between and 1 from the top of the board to give the best hold.