As early as 1897 the National Fire Protection Agency (NFPA) has been addressing fire life and safety concerns. Currently, NFPA 80 is the standard for fire doors and other opening protectives. Chapter 16 of NFPA 80 is designated for access doors in both horizontal and vertical applications in fire-rated walls, floors, and floor-ceiling or roof-ceiling assemblies (NFPA, 2019, pg. 36). This article addresses common uses, styles and specification tips for fire-rated floor doors and access doors. Continue reading
Access Door
5 Access Panels for Plumbers
Whether a franchise or independent owner-operated business, plumbers come in all different shapes and sizes. So too do Access Panels. Not just any access panel will work in all situations. Access panels are designed Continue reading
Understanding & Specifying Openings
Rough opening, clear or unobstructed opening are terms that can cause costly disruption in the construction process. Understanding each of these openings Continue reading
Nystrom 
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