Author Archives: greenshieldpro

Advantages of Commercial Spray Foam

Building Science  Corporation GM-2103: Commercial Spray Foam Guide - Joseph Lstiburek Spray foam insulation has significant advantages over other insulation systems due to the spray foam ability to provide continuity of the water control, air control, vapor control and thermal control layers necessary for environmental separation.  Using spray foam results in low exterior air leakage [...]

Snow vs. Rain

Roofs collapse under the weight of snow in New York. Two feet of snow on a roof can weigh 19 tons. Because of that, emergency rescue crews had to deal with numerous roof collapses across western New York last winter. The main difference between snow and rain is snow sticks and stays and rain drains. If snow [...]

SPF Wind – Water Ratings

The increasing number and intensity of hurricanes and storms in the United States is not only cause for general safety concern but is top-of-mind for builders, contractors and facility owners who have witnessed the damage that may be incurred to commercial structures. Stanford University researchers recently attributed a $75 billion price tag specifically to the […]

Benefits of Roof Coatings


Benefits of Roof Coatings Roof coatings are applied to low slope roofs on residential, commercial, and industrial buildings to extend the life of a roof by preventing water, chemical, or physical damage which saves money for the building owner. Certain roof coatings even provide an extra level of waterproofing protection to help shed water to […]

What Are Roof Coatings?


Roof coatings are designed for protecting and extending the useful service life of roof assemblies for new construction and more commonly, existing roof coverings, such as BUR, metal, modified bitumen, single ply membranes, and spray polyurethane foam. Roof coatings are thicker than paint and have a higher solids content. Roof coatings are formulated to protect […]

History of Roof Coatings

history of roof coatings

Cold-applied roof coatings and cements have been successfully used as a part of roofing system for well over 50 years, gaining both recognition and market share. Ancient Beginnings The use of cold-process coatings dates back to at least the year 3000 BC, when Egyptians began using varnishes and enamels made of beeswax, gelatin and clay–and […]