Key Aspects of Moisture Movement and Water Vapor Permeance in Construction

Introduction: APA’s “Moisture Movement and Water Vapor Permeance of Wood Structural Panels and Wood Wall Construction, Form J450” offers critical insights into moisture dynamics in construction, essential for the structural integrity and longevity of buildings. This concise summary highlights the most significant points, with specific references to standards and measurements. Key Insights: Specific Standards and…

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Chimneys Connected to Roof Structure: A Comprehensive Guide to Design and Retrofit

Introduction One of the most prominent features of many homes is the chimney. Not only does it serve as an outlet for combustion by-products, but it also stands as a testament to the architectural aesthetics of the dwelling. However, chimneys need to be designed with care, bearing in mind their structural integrity, especially against natural…

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Structural Sheathing in Exterior Walls: A Guide for High-Wind Areas

Introduction Structural sheathing in exterior walls is a critical component for safeguarding homes against the forces of high-wind events like hurricanes and tornadoes. In this blog, we delve into best practices for installing plywood or OSB (Oriented Strand Board) structural sheathing, with a particular focus on high-wind and hurricane-prone regions. Importance of Structural Sheathing During…

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The Importance of a Continuous Load Path in Construction

Introduction The concept of a continuous load path is crucial for the structural integrity of buildings, especially those located in areas prone to extreme weather conditions such as hurricanes, high winds, and earthquakes. This blog explores the importance of ensuring a continuous load path from the roof to the foundation and offers best practice steps…

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Understanding Allowable Deflection: A Guide to Sturdy Structural Design

Introduction When it comes to building a safe and durable structure, understanding the concept of allowable deflection is crucial. At Allied Emergency Services, we take pride in delivering high-quality roofing, siding, and window solutions, and part of our commitment to excellence lies in adhering to building codes and standards, including allowable deflection guidelines. What is…

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