you can but unless they are burlap you wont want them close to the heat of the ducting.
Need more info?
Ernie and Erica
Wood burning stoves, Rocket Mass Heaters, DIY,
Stove plans, Boat plans, General permiculture information, Arts and crafts, Fire science, Find it at www.ernieanderica.info
We cannot change unless we survive, but we will not survive unless we change. Evolving tiny ad: