Understanding Algae Growth on Asphalt Shingles Algae growth on roofs, particularly on asphalt shingles, is a common issue that results in unsightly brown to black streaks. Often mistaken for soot, dirt, or tree droppings, this discoloration is caused primarily by the species Cyanobacteria Gloeocapsa Magma. This airborne algae tends to collect and proliferate on rooftops,…
Common Reasons to Consider HVAC Upgrade or Replacement HVAC Options: Retain, Upgrade, or Replace HVAC Assessment, Code Compliance, Safety, and Installation Potential Stop-Work Conditions during HVAC Assessment Active Knob-and-Tube Wiring or Exposed Wiring Moisture in Crawlspace, Basement, or Attic HVAC Equipment in the Attic HVAC Equipment in the Crawlspace or Basement Natural-Draft Combustion Appliance in…
What Is the Concern? Cone roofs, which consist of a circular base with sides tapering up evenly to a point, present unique challenges for shingle installation. There are two main types of cone roofs: those with flat sides (appearing like pyramids) and those with round sides. How Can It Affect My Roof? For flat-sided cones:…
At Allied Emergency Services, INC, we understand the importance of ensuring the mold resistance of materials used in restoration and construction. A crucial method for assessing this is the APA Test Method D-2. This procedure, based on the United States Forest Products Laboratory Bulletin No. 1344, measures the mold resistance of protein glues used in…
Air Sealing and Insulating Attic Knee Walls for Code Compliance When insulating and air sealing attic knee walls, proper techniques are essential to meet code compliance and ensure the efficiency and longevity of the building’s thermal envelope. Attic knee walls, the short, vertical walls often seen in attics separating conditioned spaces from unconditioned attic areas,…
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