Hardie Siding Over Concrete Block
Method 1 over furring method 2 direct to block hardieplank lap siding and xld trim with masonry construction.
Hardie siding over concrete block. Get a big misting bottle and fill it with water. Hardiebacker specifications specifically exclude concrete as a base for installation. Though generally used over wooden house sheathing you can mount your hardiplank siding over brick with only few preparatory steps. Surepin fasteners are driven hardened steel pins used to attach cement fiber siding i e.
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. Hardiplank is a fiber cement siding made for exterior use to cover a structure in a long lasting sheathing. 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. Dampen the concrete twice a day for 3 days straight to ensure it cures correctly.
After that your wall is done and you can enjoy the strong but smooth finish the cement gives 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. Cement can be painted over by coating it with a concrete primer. Installing vinyl siding over concrete is similar to installing it over wood since you have to install wooden furring strips under the siding.
If your contractor installs hardie siding when it s saturated it may show signs of shrinkage or even staining over time. James hardie direct to concrete block. 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.
Installing hardie siding over concrete block. Mist and dry the cement for 3 days. This report issued by pei evaluation service covers the use of aerosmith 145 series pins for cement fiber siding direct to concrete block cmu.