What is a transform boundary? A: According to Trinity University, a transform boundary is the intersection of lithospheric plates where the two plates slide past one another. Transform boundaries do not result in any extraordinary landforms; rather, they give rise to valleys and cause many earthquakes.
Glued laminated timber. Glued laminated timber, also called glulam, is a type of structural engineered wood product comprising a number of layers of dimensioned lumber bonded together with durable, moisture-resistant structural adhesives. In North America the material providing the laminations is termed laminating stock or lamstock.
Ridge Beam vs. Ridge Board. A Ridge Beam and a Ridge Board are both located at the ridge but they serve very different purposes for very different applications. A ridge beam is a structural member used to support the ends of the rafters at the ridge, transferring it's loads to posts or gable end walls. Ridge beams are required by code if the roof slope is less than 3 in 12 (IRC section R802.3).