How To Install Hardie Board Siding Over Concrete Block

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.

How to install hardie board siding over concrete block.

Store flat and keep dry prior to installation. Most fiber cement manufacturers make mounting blocks for lights electrical receptacles a c lines pvc venting etc. But doing so is a very laborious time consuming process that is likely more trouble than it is worth. Method 1 over furring method 2 direct to block hardieplank lap siding and xld trim with masonry construction james hardie products contain respirable crystalline silica which is known to the state of california to cause cancer and is considered by iarc and niosh to be a cause of cancer from some occupational sources.

20 gauge galvanized metal hat strips over the masonry on a maximum of 24 centers we recommend 16 centers to help avoid warping. Technically cement board can be laid over a concrete slab as the base for a tile installation. 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. James hardie will assume no responsibility for water infiltration within the wall.

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. Installing siding wet or saturated may result in shrinkage at butt. 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. Installing hardie siding over concrete block.

Has anyone had a project like this. Jaime prefers to use the vinyl mounting blocks typically used with vinyl siding. 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.