Cement Siding Over Existing Hardie Board

Without properly inspecting and examining your current siding it s probably hard to tell its actual condition.

Cement siding over existing hardie board.

Left unchecked small issues can become major problems that could end up costing thousands of dollars to rectify. We ve been providing a better way to build for over 100 years. James hardie is the world leader in fiber cement siding and backerboard. Jim talks about when and how to put your new siding right over your existing siding.

0 312 in x 8 25 in x 144 in hardieplank primed woodgrain lap fiber cement siding panel. Imo it would not be a good idea to go over it. If hardie is installed too close to these surfaces there is a chance that the paint will start to bubble and peel. Number one you can t shoot the hardiplank siding into the voids in your dutch lap siding.

To achieve the look you ll use hardiepanel vertical siding as your base material. Why siding over existing siding is a bad move yes you may be able to save some money by not removing the old siding but that old siding could be hiding problems that may bite you down the road. According to the best practices manual from james hardie existing siding can be used as a substrate as long as it is in good condition meaning that it is not warped bowed curling delaminated or rotting. James hardie siding is made of cement so it will absorb moisture if it is installed like this.

This is the main task to tackle to make sure that there are no preexisting issues on the home. Keeping your existing siding. James hardie fiber cement siding is engineered to stand up beautifully whatever the elements and comes with the option for an authentic woodgrain finish.