oq-gem

Glossary for gem taxonomy

Authors: Luke Allen, Andrew Charleson, Svetlana Brzev, and Charles Scawthorn

This online Glossary explains around 400 terms contained in the GEM Building Taxonomy v 2.0 and nearly 700 images.

The terms have been listed in alphabetical and numerical order. Text description of each term is accompanied by illustrations (photos and/or drawings) where possible.

We welcome contributions in the form of photographs or images, illustrating glossary terms. If you have any questions you can also contact us at buildingtaxonomy@globalquakemodel.org


Sheet membrane or liquid-applied membrane roofing surface. Sheet membranes will typically be bituminous or synthetic rubber sheet. Examples of liquid-applied membranes are asphalt, and those that are fibreglass-reinforced.  Sometimes a membrane system is covered with sand, small stones or stone chip. Most commonly used on a concrete or plywood sheet roof system.

RMT3_Canada_Brzev_1

Membrane roofing, Vancouver, Canada (S. Brzev)