Cement Board Siding Over T111

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Cement board siding over t111.

Weatherside fiber cement siding is the one and weatherside fiber cement siding is the one and only solution for replacing or repairing old asbestos siding shingles. In addition there are many instances of osb materials being used in ways clearly not recommended such as on roofs and exterior decking. Replace any sections that show rot or decay with either new t1 11 or plywood of the same thickness. Inspect the t1 11 siding carefully.

Now the kicker is whether or not to run 30 felt over the t 111 before siding. Just follow the manufacturer s installation instructions. I will be installing hardie plank siding over the t 111 using it as sheeting. As far as i know so called texture 111 or t 111 is a type of plywood not a brand name.

15 felt is a poor wrb at best so my gut instinct is that it is a good idea to throw a layer of 30 felt on before siding it. You can put tyvek over the the existing t111 siding and then add your hardieplank over that. If you want to try to match your t 111 to a brand of fiber cement siding you ll have to measure the width of the pattern and do some research. Lp smartside engineered siding is a a strand board that looks like t1 11 osb but is not to be confused the lp smartside is a treated surface that far outperforms.