Hardie Siding Over Concrete Block

Mist and dry the cement for 3 days.

Hardie siding over concrete block.

After that your wall is done and you can enjoy the strong but smooth finish the cement gives it. Hardiebacker specifications specifically exclude concrete as a base for installation. Dampen the concrete twice a day for 3 days straight to ensure it cures correctly. Vinyl siding can give an ordinary concrete home an appealing polished look and update its appearance.

Luckily it takes lots of water to saturate hardie products. Hardie siding does a great job of wicking moisture when it is installed on the wall but when it s uncovered and flat on the ground it will absorb water. This report issued by pei evaluation service covers the use of aerosmith 145 series pins for cement fiber siding direct to concrete block cmu. James hardie direct to concrete block.

Hardiplank is a fiber cement siding made for exterior use to cover a structure in a long lasting sheathing. Installing hardie siding over concrete block. Get a big misting bottle and fill it with water. Durock does not expressly exclude concrete but the material is specified only for minimum 5 8 inch exterior grade plywood or osb one source reports that usg will not officially validate the durock to concrete attachment simply because they have not tested it.

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. Siding accessories and siding mount blocks fiber cement accessories light block bib mount block receptacle block gable vent inside corner trim siding accessory kits siding vent block siding trim colorplus made from james hardie siding hardiplank harditrim hardipanel custom siding accessories. Hardieplank lap siding nailed directly to block walls trim cmu wall 6 clearance to grade refer to table on next page for fastener type and fastener spacing. Although the process of installing vinyl siding is relatively simple it helps to have assistance.

Cement can be painted over by coating it with a concrete primer. If your contractor installs hardie siding when it s saturated it may show signs of shrinkage or even staining over time. Surepin fasteners are driven hardened steel pins used to attach cement fiber siding i e.