Cement Board Siding Over T111

Inspect the t1 11 siding carefully.

Cement board siding over t111.

Well for those that are unfamiliar t111 is essentially plywood siding and it serves two purposes. T1 11 siding is usually the structural sheathing not merely siding. Is it practical or feasible to go ahead and put my new siding on top of what s there. It s the siding and it s the sheathing.

Hardie panels are not structural you can t just replace one with the other. T1 11 was a bad idea in damp climates for a number of reasons. Replace any sections that show rot or decay with either new t1 11 or plywood of the same thickness. Fiber cement resembling t1 11 cedar siding if you re after the look of t1 11 cedar but wish to get something with less maintenance the allura 8 grove option is a great one.

Make sure that the entire surface is clean and dry. T1 11 siding comes in two major grades. 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. It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years.

Plywood and osb which stands for oriented strand board the plywood product is slightly more expensive than its osb cousin although they are both are quite comparable in terms of strength and functionality. Fiber cement is generally a great option when you re trying to mimic wood but without the maintenance of traditional wood. Nor can you overlay compromised t1 11 with a non structural panel and assume that it still meets the structural requirements.