T-111, or Texture 1-11, is a special type of plywood that is rated for exterior use as siding. It comes in 4-foot wide sheets in lengths of eight, nine or 10 feet and in grooves that simulate the appearance of wood planks. It is a quick and inexpensive siding option when compared to shingles or clapboards but it does have some drawbacks. The biggest problem is, over time, the layers of the plywood start to delaminate and make the wood susceptible to rot. Proper installation and diligent upkeep can help keep Texture 1-11 siding in good shape for a long time.
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Things you need
- Building wrap
- Table saw
- Circular saw
Prepare the exterior walls by tacking on the building wrap and install the flashing. Also prime and paint, or stain the edges of each sheet of T 1-11 that you will be installing.
Install a ledger board along the bottom of the house. This is an option step that is about aesthetics, but it will give you a base to hold your siding into place. If you use a ledger board, install flashing.
Install the first sheet of T 1-11. Hold it along the edge of the house and make sure it is plumb and level. Install by driving nails through the siding and into the studs.
Overlap another piece of siding over the first piece. Texture 1-11 is designed to be overlapped so the seam will just appear to be another groove in the wall.
Continue installing pieces by overlapping and cutting, as necessary.
Install trim over the inside and outside corners and stain or paint the entire surface to complete the job. Outside trim is installed buy installing one piece flush along the side of the house and then installing another piece, 3/4 inch wider than the first, flush to the edge of the first piece of trim.
Tips and warnings
- If you are installing the T 1-11 on more than one story, cut a 45-degree angle away from the top front of the bottom pieces and a 45-degree angle away from bottom-back of the top pieces. This way, water will run down and the seam will be minimised. You could flash between levels as well.
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