Flat roofs: waterproofing definitions and technical specifications

Flat roofs, whether for apartment buildings, industrial buildings or parking lots, need to be watertight to keep out the elements. There are a number of techniques and solutions in this field, which must be adapted to each specific use.

This article is part of a series that will examine all known waterproofing techniques in terms of their use and adaptation to different climates and regions.

It's very important for specifiers and site managers to be familiar with the terms used in the waterproofing trade. This article reviews some of the definitions and terminology used in the building and waterproofing trades.