Readers ask: What Is T1-11 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.

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.

Can you put T1-11 over plywood?

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. This is because of the large number of layers included in the average panel. The best T1-11 is pressure treated T-1-11 plywood siding.

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Is T1-11 a hardboard?

DuraTemp is manufactured with a strong plywood veneer inner core and a tough hardboard face that won’t split, crack or check – even with rough treatment and is backed by a 50-year limited warranty. DuraTemp is made of genuine plywood, so even though it’s lighter, it’s also stronger than most siding products.

Should you paint or stain T1-11?

T1-11 siding is wood or wood-based siding for your home. You should paint T1-11 siding with a high-quality acrylic exterior paint.

How do I fasten my T1-11?

T1-11 siding is designed for installation on framing with standard 16-inch spacing. You can attach them with exterior screws or galvanized nails. Wrap the house with house wrap or 15 mil tarpaper. Staple the material to the studs with a staple gun and cut openings for doors and windows with a utility knife.

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.

Do you need Tyvek under T1-11?

You should put sheeting and house wrap under the T1 -11 siding, just like with any other siding. In some areas, you don’t have to use sheeting and house wrap to do the installation, but I would not recommend doing it that way.

Do you need to prime T1-11 siding?

The other downside of OSB T1-11 is you can’t stain this siding. It must be primed and painted, taking away one of the primary reasons homeowners choose to go with this particular siding material.

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How do you do T1-11 nails?

Secure the T1-11 to one of the wall studs next to the center stud with 8d nails placed every 8 inches, using the chalk line as a nail placement guide. Drive the first nail into the center of the siding and work toward the top and bottom edges. Place the last nail on each stud within 1 inch of the siding’s edge.

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.

What is better than T1-11?

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.

Is T1-11 safe for indoor use?

Could your cabin containing T1-11 make you sick –absolutely. Could it be somethingelse such as a finish used or a sealer–absolutely. You have to isolate the products to be sure which is causing the issues and that can bechallenging, especially after it has been installed.

What does T1-11 siding 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.

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