Using a Thermal Imaging Camera to Locate Moisture in a Commercial Flat Roof
Friday, February 28 2020
Thermal imaging cameras can create detailed maps of commercial low-slope roofs, showing where excess moisture is trapped, where the source of a leak may be, or where there is soaked or compromised insulation. Roofing professionals scan the roof, taking images to compile into a composite map, or they take an aerial image of the whole…
Controlling Kettle and Maintaining the Temperature of Hot Asphalt in Cold Weather Commercial Roof Applications
Tuesday, February 4 2020
Disclaimer: Hot mopping on asphalt roofs is highly dangerous. Proper safety training is necessary to perform this job. When choosing the temperature for your hot tar roofing kettles, always follow the manufacturer’s requirements and do not heat the kettle beyond the ATSM D312’s maximum kettle temperature. It is incumbent upon the roofing professional to determine…
An Introduction to Thermal Bridging
Tuesday, November 12 2019
A thermal bridge is a pathway that heat uses to get in or out of a building, bypassing the insulation layer. For example, your roof may be well insulated, but a metal plumbing vent that passes through the roof and its insulation can carry heat in or out of the building. Heat moves not just…
Asphalt Primers 101: The Purpose of Asphalt Primers in Commercial Roofing Applications
Wednesday, May 8 2019
By definition, a primer comes first and serves as a base for what should follow — whether it’s attending the primary grades at the beginning of school, priming an engine to start or using a primer coat applied prior to painting a wall. Similarly in commercial roofing, a primer is used as the first step…
Commercial Roof Drains and Drainage Systems
Monday, April 15 2019
Commercial buildings often have flat or low-sloped roofs that need special drainage solutions. This article will give you an overview of the types of drainage systems suitable for commercial buildings and the materials and components of those systems. Also, we’ll cover what kind of maintenance a flat roof drainage system requires. The Function and Importance…
What is a Roofing Base Sheet?
Thursday, February 21 2019
A roofing base sheet is the bottom waterproofing layer on a multilayer roofing membrane system. It is made of fiberglass or reinforced polyester, or composite reinforcement and is saturated/coated with modified bitumen asphalt. This is asphalt enhanced with plastic or rubber polymer. Base sheets are surfaced with heat-weldable film, sand or a release film depending…