Tech Notes

Tech Note: Removal of Biological Growth

ln the building preservation community, it is generally agreed that biological growth can adversely affect both the appearance and durability of stone, concrete, and other masonry materials.

Galvanic Corrosion in Mechanical Anchors

In existing masonry construction, the connection between masonry veneers and the back-up materials can be compromised over time. Mechanical retrofit anchors are designed to functionally replicate wall ties that were either inadequately installed, corroded, or insufficient in number.