Flat Roof Ponding

Is It Acceptable to Have Ponding On My Flat Roof? By Allen Sensel Introduction There is a lot of speculation with older building designs and how their flat roofs have a tendency to collect pools of standing water referred to as ponding. The purpose of this report is to provide clarity for a commonly misunderstood notion that a flat roof, whether it’s asphaltic built-up, modified bitumen, or any kind of single-ply membrane, should not bear any kind of collection of rain water. I will provide brief examples from the IBC, U.S. Department of Housing and Urban Development, and Factory Mutual, all of whom mandate construction and renovation standards to comply with regional climates,weather patterns, and
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Cover-Boards: Purpose & Application

by Allen Sensel Glass-Matt Roof Protection When putting a low-slope roof together it’s important, as a building owner or engineer, to understand how to control moisture, combat mold, and provide fire protection. Cover-boards offer sufficient roof deck protection that meet these requirement for installing a roof. They can also serve as a purpose for re-covering your roof. These boards provide a clean, smooth surface to attach your next roof system to. USG manufactures Securock, a glass-mat board that can be used on a flat roof for dimensional stability, surface protection, and overall increased lifespan of a structure. When installed correctly, Securock acts as vapor and fire barrier, keeping the roof membrane from developing mold and
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When Your Washington Roof is Damaged, Know Your Insurance Claims

Greetings from sunny Colorado, Washington home owners and roof shoppers! I’ve come to the excellent Chase Construction blog today to help you deal with the sometimes confusing process of roof insurance claims. If you experience roof damage, you should know a bit about the claims process for Washington roof damage. There are many myths and inaccuracies about roof damage and insurance claims. The first thing you should do if you believe your roof has damage is schedule a roof inspection. Your roof can be damaged by wind, storms, hail, tree branches, and more. Even if you don’t see any missing shingles, a local roof contractor can tell you if you have a possible claim. The
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Determining Your New Roof System

Selecting Worthwhile Components For Weather-Tight Protection by Allen Sensel Today, selecting a new roof system might be as easy as finding the right certified contractor to install it for you. Several questions might come up, like which products and manufacturer to use. Typically, the best approach is to do some thorough research and I’m here to help explain the steps and guide you in the right direction. We’ll talk about picking and choosing the right sheathing, roof metals, underlayment, leak protection, and an asphalt system with their relative components to give your roof a great curb appeal and efficient protection. The first protective layer to any house is typically the sheathing, which you will most often
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Ice & Water Shield: Why It’s Important For Your Home

Leak Barrier Membrane Let’s face it, Washington is rain prone which can eventually lead to ice dam build-up in the winter and early spring seasons among higher elevation neighborhoods. These homes will succumb to an inch or more snowfall more often than sea-level homes will. A key element in providing a functional roof system is what we call an ice & water shield. Here’s how it works. After a storm, ice can form along the eaves, skylights, chimneys, and roof vents of a house. This build-up counters the slope of the roof, catching water and debris. Ice & water shield membrane placed in a critical leak area offers weather-tight protection against the collected water, keeping
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Single Ply Roof Systems Are Becoming More Sustainable

Single Ply Roof Systems Are Becoming More Sustainable New flat roofing systems, each with their own specific application purposes, are heading in an environmentally friendly direction, especially since President Obama instituted, “Federal Leadership in Environmental, Energy, and Economic Performance,” an executive order (No. 13514) released back in October of 2009. Since then, federal, state, and local governments have been pushing for companies to procure building products with higher, “greener” standards. They are now picking and choosing systems from manufacturers that meet the Environmentally Preferable Product (EPP) purchase requirements set out by the American National Standards Institute (ANSI). Flat roof products are now being “graded” by durability, manufacturing processes, and overall design (product innovation and corporate
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