Videos

Mark Meshulam demonstrates how updrafts can drive rainwater up and inside copings at the top of the building.

An in-depth demonstration and discussion of how to view glass imperfections and inclusions using a stereo microscope.

When glass breaks, locating and examining the fracture origin is fundamental. This is how it’s done.

People thing glass is clear, but under a microscope it reveals an amazing world of shape and color.

The Dynamic Water Test is oneof the most dramatic and entertaining tests performed on facade mockups. Witnessing this test from inside the chamber is memorable and a bit scary.

Vinyl windows own much of the residential market and do well most of the time. When failures do happen, they tend to relate to either frame flexibility or glass drainage.

There sre no practical ASTM test methods for testing the water management capability of masonry. Here is one we have created.