Why is my roof sagging?

This photo shows a transition point where two rooflines come together. The resulting valleys that are created here have to be constructed to withstand the extra snow load in these areas. In this case the valleys have sagged considerably and an abnormally heavy...

Structure and the effects of poor renovations

The structure of a home depends upon a network of components all working together to form a safe and strong building envelope.  Most homes in the past half century or so have been designed by builders with the help of architects and building engineers and more...