QA

Quick Answer: How Thick Is T1 11 Siding

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.

Do you need plywood under T1-11 siding?

It is best to check the local building code to determine if plywood sheathing is required. Even though it may not be considered necessary, many builders feel it is best to use plywood under T1 siding if the structure will be used for human habitation.

Is T1-11 siding waterproof?

T1-11 siding is not waterproof because it is not treated with any resins and chemicals that repel moisture. T1-11 siding needs to be protected against the weather with primer, paint, or stain. You also need to caulk around doors, windows, joints, and nails to keep the water out.

Is T1-11 tongue and groove?

All types of T1-11 siding have outer edges with 3/8-inch wide lips on the long sides, designed to overlap the piece that was installed previously. This is not a tongue-in-groove joint, but rather a lap joint. Panels are always installed with the grooves running vertically.

Do you nail T1-11 in the grooves?

T1-11’s grooves and shiplap edges run parallel to its 8-foot-long edge. The T1-11 siding’s 1-inch-wide, 1/4-inch-deep grooves are spaced 11 inches apart. Contractors nail T1-11 siding to a building’s exterior and usually protect its surface with paint.

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

Plywood T1-11 accepts stain well and takes on a grainy appearance that blends well in rural surroundings. 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.

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 T1-11 better than plywood?

T1-11 Siding Explained T1-11 siding comes in two major grades: plywood and OSB, which stands for ‘Oriented Strand Board. However, the plywood version of T1-11 is far superior overall to the OSB version because of its greater durability and the variety of finishing options it offers.

Should I caulk T1-11 siding?

The top T-111 panel should be installed about 1/4 inch off the shelf formed by the flashing to prevent moisture from wicking up into the wood. This is especially important when using engineered siding. If the siding was installed with Z-flashing, do not caulk in the grooves.

What is better than T1-11?

It can stand up to harsh weather in any climate and resists damage from termites and fungal decay. 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.

How much is a sheet of T1-11?

T1-11 Plywood Costs Depending on the finish and size, this siding costs between $25 and $40 per 4 foot by 8 foot sheet. Add installation costs and construction materials, and you end up with a range between $3.50 and $7.20 per square foot. Plywood consists of multiple layers of thin wood veneer.

Do you need sheathing under plywood siding?

It is completely okay if you were not aware that there’s no sheathing under siding until you removed it. Sheathing works as a case or cover, structural support, insulator, and more. Missing sheathing is not any structural defect. It’s possible that it was not added to the construction plan.

How wide are the grooves on T1-11?

T1-11 plywood is grooved or slotted vertically with grooves spaced 4 or 8 inches apart. Each of the two outer edges has 3/8-inch-wide lip that overlaps the previous piece. The lip thickness is half the thickness of the sheet.

Can I use screws for wood siding?

Although ring-shank siding nails are suitable for wood siding installation, screws have better holding power over time. Stainless steel is strongly recommended for all woods and required for modified woods such as Accoya and Kebony.

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.

Can you make T1-11 look like board and batten?

T1-11 is often available with either a rough or smooth finish, which is important to consider when stocking up on project materials. In addition, this type of plywood is cut into practical panels, often with stylish exterior grooves that make board-and-batten and shiplap construction easy.

What is the best paint to use on 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.