Any slight movement of the timber frame would put tension on the brittle glass and cause it to shatter. For this reason, the architect wanted to use engineered wood to be safe rather than sorry. He didn't approve of using solid wood at first. The home owner however was aware of the toxicity of most wood glues used in engineered wood products and wanted to avoid this in their new home. Therefore they were looking for solid timbers. The beams needed to be cut from large logs.
Holz100 Canada Inc.