In the last decade there have been a plethora of manufacturers introducing materials to the commercial waterproofing market. Most of these manufacturers had been in the roofing market and were looking for a way to increase market share.

Waterstops are typically applied at below-grade construction joints (horizontal or vertical) that are subjected to hydrostatic pressure. They are embedded into the concrete and span the length of the joint.

It is hurricane season again and it looks like this year may be an active season. If this week is any indication, we may face multiple high-impact storms as we did in 2004 and 2005.

I spent the last two-day’s on a roof. This in itself should not be newsworthy - after all I am a roof consultant. There was a time when I spent most of my day on the roof, either conducting quality assurance inspections or performing forensic investigations.

A below-grade drainage detail. Allowance is made for temporary rises in groundwater levels. This detail provides the proper application method of a vertical drain tile. The drain tile is applied

CCW-525 is a liquid-applied, single-component modified polyurethane for vertical and horizontal surfaces. (Photo courtesy of Carlisle Coatings & Waterproofing.) Liquid-applied membranes (LAMs) are applied in the field using a variety

Detail courtesy of Alvaro Mejia, IRT Inc. This detail provides proper application method of sheet or reinforced membrane waterproofing systems. The vertical footing wall/slab intersection is a vulnerable location and

Detail courtesy of Alvaro Mejia, IRT Inc. As is the case with all roofing systems, installation of flashings and penetrations are the most critical points of application. These areas typically

Flashing Design and Roof Drainage SystemsStanding water is more detrimental to flashings than it is to the membrane because of the increased possibility of leakage at the seams. There is

Vertical Corner Flashing DetailThis detail provides proper application method of sheet or reinforced membrane waterproofing systems. The corner of a wall is a vulnerable location and it requires additional protection