In USA houses are made of Timber and they are beautiful. There forest cover is 34% which is enough to support their local industries. Our forest cover is 8%, so, bado.
My house is built of mabati and it not cold , it all depends on the house size, mabati I bought gikomba the hard ones , I just wanted something different,
...my friend, this is not as cheap as you are implying eti plywood etc....enda camps za wazungu utaelewa. It's a whole concept thought-out including furniture....