Teepee Liners

The liner also called tiozan is important, although one can enjoy his tipi without using one during hot summer days. But it is a key-element for making your tipi comfortable by controlling draft and smoke. When camping in the forest, it will help to keep most insects out.
During the winter, a liner will prevent the occupants from freezing, and also provides an extra insulation. In the old days, people used to stuff dry grass between liner and cover for a better insulation.

The liner is like a second wall that goes only about half way up inside the tipi (the darkest part on the picture). If you live further north, and more generally, if you want a longer " tipi season", then you should consider getting one.
Our liners are made of Marine Duck canvas, a treated cotton fabric which is water repellant, mildew-rot resistant, and flame retardant. For more durability, we added a fire resistant and rot-proof sod-cloth.
The liners of our 12' tipis are 60" tall. The others are 72" or 6' tall. Winter liners are 7' tall for a better protection against the cold air.