T1-11 will last and stay beautiful if adequately installed, painted or stained, sealed and maintained. If the OSB T1-11 siding gets wet, it swells and expands, flaking, chipping and eventually will rot. It is made with wood strands and flakes and is treated with a resin to bind it together when pressure is applied in the process. OSB T1-11 siding has more issues with water because of how it is manufactured. To prevent water damage with any siding it requires proper installation, sealing, and maintenance. The plywood siding has less of an issue with water damage than the OSB has. Water damage is the primary reason it fails. T1-11 siding is a functional siding with great aesthetics so what is the issue with this siding. It comes in thicknesses of 3/8 of an inch, 5/8 of an inch and 3/4 of an inch. You can find T1-11 siding in sheets that are 48 inches x 96 inches or 48 inches x 120 inches. If you are looking for a more natural appearance, then you definitely would want to go with the rough finish. You can get it is a smooth finish or a rough more rustic finish. There are a few finishes, depending on the manufacturer, you will find T1-11 is available in to purchase. Plywood is stronger and will hold up in the weather a little better with either type though you'd need to put an excellent all-weather stain or paint to protect it. The OSB is less expensive because it is wood flakes or strands glued and pressed together and a little lower quality than plywood. Is T1-11 still a viable option, or does it often fail to cause builders and homeowners alike shy away? Read on to find out why it is still a viable option. What has caused this once trendy siding to fall to the side while others have taken its place? Today engineered wood, vinyl, and composite siding are more popular, though T1-11 exterior siding is still available. It is common due to it's more natural wood grain look that people liked when it was popular.Īt the height of T1-11's popularity in the 1960s, '70s and 80's it was installed on a lot of houses, and it is still in use on many of them. One of the more common types of siding used residentially is T1-11.
Are you looking to put new siding on your home or cabin up at the lake? There are lots of options out there for siding from vinyl siding to stone or brick to stucco and lots of variety and options in between.