Minor cracks in the surface of T1-11 can be caulked and repainted. And sanding and caulking works well to fix medium-sized cracks. But the wood beside wider cracks curls as it shrinks, so caulking actually highlights the problem. Sometimes the best solution is to remove and replace the panel.

How do you repair T1-11 siding?

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Quote from Youtube video: Okay first things first you're gonna want a probe or use a moisture meter and find out how far up your siding is rotten at that point we need to cut it off.

How do you repair cracks in wood siding?





You can repair wood siding cracks and splits with less than a 1/16-inch gap by filling in the gaps with an appropriate wood filler. Many different wood fillers are commercially available, but you should never use a filler that cures hard to repair small cracks or splits.

How do you fix a hole in T1-11 siding?

Splicing T-111 Plywood

  1. Measure the damaged area of the T-111 siding. …
  2. Center the piece of T-111 over the damaged area with equal proportions of overhang all the way around. …
  3. Screw the new piece to the existing siding using a drill/driver and 1-inch screws. …
  4. Apply sealant to all four edges of the new pieces of T-111 siding.

How do you seal a T1-11 joint?

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.

Can you put Hardie board over T1-11?

Some examples of flat wood siding that may work well being covered with Hardie board include: T1-11 siding — T1-11 was a very popular wood siding option used from the 1960s through the early ’80s. It is simply a type of textured plywood, which makes for a great Hardie board substrate.

How do you fix a leaky siding?





Ways to Fix Leaking Siding



For small cracks and gaps, try to remedy the problem by filling them with tri-polymer caulk. If the cracks or gaps are too large for caulk, which is common around joints, plug them with vinyl-appropriate putty.

What is the best wood filler for exterior wood?

For exterior projects, we recommend Bondo Wood Filler. The two-part formula mixes into a wood-like medium brown hue, then restores and rebuilds rotting or otherwise damaged wood. You can even use it to fill in entire missing pieces.

Can I use wood filler on siding?

If your exterior siding has sustained damage, you can patch it with filler, but it has to be the right kind of filler. Any product intended for interior use will crack and wash out in short order, even if you paint it.

What to do when siding cracks?

Repairing Your Vinyl Siding With A Patch

  1. Clean the Area. Before getting started, clean the surrounding damaged area with soap and water. …
  2. Cut Out a Patch. Using a scrap piece of siding, cut a section slightly bigger than the hole or crack. …
  3. Test the Patch. …
  4. Patch the Damage. …
  5. Let the Caulk Dry.



Does T1-11 siding need Tyvek?

Do I Need Tyvek Under T1-11 Siding? T1-11 is both a siding and a sheathing and can be fastened directly to the exterior face of the studs. House wrap like Tyvek or tar paper provides a wind and moisture barrier which can be beneficial depending on the purpose of the structure it is used on.

Do you need house wrap 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 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.

Should you nail or screw T1-11 siding?

T1-11 siding is designed for installation on framing with standard 16-inch spacing. You can attach them with exterior screws or galvanized nails.

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. You can give the wood a certain amount of UV protection while allowing the grain to show by using a semi-transparent stain.

Does T1-11 warp?

Not fire resistant—The flammability of T1-11 ranks much higher than other siding materials like brick, stone, or fiber cement. Easily damaged—This siding tends to rot, warp, corrode, and mold when left untreated.

Can T1-11 siding get wet?



Water damage is the most frequent (and frustrating) problem with T1-11 siding. When the boards get wet, they swell, expand, and eventually flake, corrode, and rot. The edges of T1-11 panels are especially susceptible to water damage and absorb moisture at a rapid pace.

Can T1-11 be used horizontally?

Rather, they only show it installed vertically. Originally, T-1-11 siding was made from standard A-C plywood with a “textured” face ply (thus the T symbol in its name) and grooves cut into the plywood along the 8′ length. This method of making “siding” was not acceptable, because the inner plies had voids.

How do I fasten my T1-11?

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 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 nails do I use for siding?



The best type of nails to use for siding include hot-dip galvanized nails, which boast strength and durability to complete your siding installation successfully.