Introduction In the construction industry, the structural performance of building materials is of paramount importance to ensure the safety and reliability of structures. Structural Plywood is a commonly used engineered wood product in construction, known for its versatility and strength. To evaluate the structural performance of Structural Plywood, various tests are conducted, including tests for…
Understanding the Differences in Duration® Shingles In early 2012, Owens Corning enhanced and changed the color blends of Duration® shingles to create the more vibrant TruDefinition® colors. Additionally, the length of the shingles was increased from 38 3/4″ to 39 3/8″. These changes mean that the newer TruDefinition® Duration® shingles do not match the color…
What Is High Nailing? High nailing refers to the practice of nailing shingles too high above the butt (bottom) edge or above the nailing guideline. This can significantly impact the performance and durability of the roof. How to Identify High Nailing To ensure proper nailing, GAF shingles must be fastened: While some variation is expected,…
Comprehensive Guide to Roof Replacement Costs in Illinois When it comes to home maintenance, replacing a roof is a significant investment. Homeowners in Illinois, particularly in areas like Chicago that are prone to weather extremes, need to be well-informed about the costs involved in roof replacement. This guide provides detailed information on roofing costs, factors…
Scope Description International Mechanical Code (IMC) Classification (2009 and 2012) National Fuel Gas Code (NFPA 54) Classification (2012) Category I Furnaces with Induced Draft Fans Category III Furnaces Category IV Furnaces How to Select and Install a Furnace Ensuring Success Climate Considerations ENERGY STAR and DOE Zero Energy Ready Homes have climate-specific criteria for furnace…
