What Is T 111 Plywood?

What does T1-11 stand for?

Plywood and other compressed wood siding products are an inexpensive way to sheath outdoor buildings, sheds and other projects. T1-11, sometimes noted as T111 or T1, is an example of one of many such wood siding products. The ‘T’ in T1 stands for “textured,” which references the grooves or channels cut into the siding.

What is the thickness of t 111 plywood?

T1-11 plywood sheets are available in 48-by-96-inch or 48-by-120-inch sheets. Sheet thickness is either 3/8, 5/8 or 3/4 inch. T1-11 is available with a rough-surfaced, textured finish or a smooth, sanded finish. The choice between the two is determined by aesthetics.

Is T1-11 A wood?

T1-11 siding is wood or wood-based siding for homes. It’s made from either plywood or oriented stand board. You can paint or stain it to create a beautiful look for your home. It’s cheaper than most siding types.

Is T1-11 siding waterproof?

T1-11 siding is not treated and is vulnerable to moisture damage. It comes in two types: plywood and OSB (oriented strand board). This type of plywood siding is injected with rosins and other chemicals, under pressure, to make it waterproof and protected against termites, rot, and fungal decay.

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Do you need plywood under T1-11 siding?

As originally designed, T1-11 siding was made from Softwood plywood. The addition of OSB was made as a cost-cutting measure. But the best T1-11 siding is still made of softwood plywood. OSB is much more susceptible water soaking in and swelling the sheet, especially at the edges.

How do you seal the bottom of T1-11 siding?

Trim the siding with one-by-four-inch wooden trim, covering the gaps around windows and doors, under the soffit and on the corners of the house. Nail the trim with two-inch galvanized nails, then caulk around it with acrylic latex caulk.

Is it better to paint or stain T1-11 siding?

Staining T1-11 is less work than painting it — you may need only one coat — but prior cleaning of the substrate is even more important, because any dirt and discoloration shows through. Adding a mildewcide to the stain prevents mold from forming and adding an unappealing sooty surface coating.

Does T1-11 need sheathing?

These panels need to be rated for structural use. This means if you removed the sheetrock and insulation you would see the house wrap. Not any sheathing. The disadvantage is structural T1-11 has limited styles it is fairly high maintenance and many feel that it has a “cheap look”.

What thickness does T1-11 come in?

You can find T1-11 siding in sheets that are 48 inches x 96 inches or 48 inches x 120 inches. It comes in thicknesses of 3/8 of an inch, 5/8 of an inch and 3/4 of an inch.

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How do I keep my t111 from rotting?

WOW’s way works well as you just have to cut off the rot and then apply a trim board. PVC is great because it won’t rot and can touch the ground without wicking up moisture. Wood is ok too, but you will want some sort of barrier underneath it where it hits the ground or it will rot in short order.

What does T1-11 weigh?

A 4×8 sheet of 5/8 T1-11 siding weighs about 58 pounds which is a about six pounds more than a similar sheet of 1/2 drywall and about 20 pounds less than a 4×12 sheet of 1/2 drywall.

What is better than t111?

LP SmartSide is an engineered wood product that is more weather-resistant than T1-11 siding. It is less susceptible to rot, fungal decay, insect damage and thus requires less maintenance. LP SmartSide is, overall, a better cladding solution for most people.

Should you seal the bottom of siding?

Answer: You should never seal the bottom of siding. Through the bottom, water is meant to exit. The accumulation of water will cause permanent damage to your concrete. Using something that is waterproof will protect the wood siding.

What can I use instead of T1-11 siding?

How to Decide: If you want the most durable siding available, then LP wood siding is your better choice. If you want to sacrifice some durability for savings, then choose the plywood grade over the OSB T1-11.

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