Windows & Doors

3 types of glazing supports designed by engineers

Understanding the 3 Types of Glazing Supports

See this article for a breakdown of the three most common types of window / door / glazing support mullions in our articles section. Learn the difference between a mullion, supporting frame, and structural column and how they are used in a construction project.

window-analysis-binding-box-shape-examples

Glass Aspect Ratio Limitations in Florida’s High Velocity Hurricane Zone (HVHZ)

When A Glazed Opening Isn’t Exactly Square Often times a glazing product is approved for large missile impact, but requires a field modification for size. While the tested span cannot be exceeded and still meet the building code’s large missile impact requirements, the aspect ratio (the length to width ratio) can be altered so long …

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window-door retrofit guide south florida broward palm beach dade

The Ultimate Guide To Creating A Window – Door Retrofit Permit Package In South Florida

How To Apply For A Retrofit Window-Door-Garage Door Permit In South Florida Dade, Broward & Palm Beach Counties have adopted a unique set of rules for permitting window and door replacements (alteration level 1). While there are variations between cities, counties, & states, these requirements are similar.  Alteration Level 1 Defined: FBC/IBC existing building Section …

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Door and Hardware Online Glossary

Thanks to our partners at ASSA ABLOY, we’re happy to pass along this helpful glossary of industry lingo. Learn all about the many terms used in the door and hardware industry Click here to visit the ASSA ABLOY Glossary

Performance Requirements Typically Requested On Project Specifications

For shop drawings requested for structural permit by this office, the following are typical specifications requested.  Engineering Express routinely complies with these when providing certified plans for permit:   Delegated Design:  Design , including comprehensive engineering analysis by a qualified professional engineer, using performance requirements & design criteria indicated. Structural Performance: shall withstand the effects …

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How To Use Performance Evaluations – TER’s – Calculator Reports Purchased From Engineering Express

READ BELOW BEFORE USING NON SITE-SPECIFIC PERFORMANCE EVALUATIONSFROM ENGINEERING EXPRESS FOR YOUR PROJECT General Information About Non Site-Specific Plans: Certified Performance Evaluations (also referred to as Master Plans, Technical Evaluation Reports (TER’s), Generic or Non Site-Specific Plans) you receive contain a physical or digitally certified engineer seal. They are intended to be used to assist …

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Residential & Commercial Terms & Engineering Design Differences 101

Residential & Commercial Glazing Differences & Common Terms 101   Engineering Express is typically asked what the difference between residential & commercial glazing & how we help each industry.  Read below for answers to the most common questions & terms.   Commercial Glazing   What is Commercial Glazing? This generally involves the framing systems used …

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About Door Product Pressure Ratings and Water Infiltration

QUESTION: Why do certain door products rate a certain p.s.f like -60/+60 then lower ratings are shown throughout the product approval?   Usually, the higher door pressure performance are not taking the water testing & infiltration conditions into consideration.  A deeper search into the evaluation will likely reveal limitations of performance if water infiltration is …

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What are The Span Limitations of Large Missile Impact Doors – Windows – Shutters?

A Frequent question is what are the span, height, pressure, and installation limitations for large & small missile impact products. The following takes into consideration the Florida Building Code  8th Edition (2023) limitations for designing & installing operable and non-operable windows/glass doors & impact protection devices. For Operable Windows & Glass Doors Inside the HVHZ …

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ASCE 7 Least Horizontal Dimension – Minimum Building Width

From ASCE 7 (ASCE 7-22,16, 10 & previous standards):   The “Least Horizontal Dimension” can be taken as the shortest possible distance that can be taken between two parallel lines that fully encompass the building The Least Horizontal Dimension is further demonstrated as follows: Where ‘B’ is the Least Horizontal Dimension.   For further reference, see our …

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ASCE 7 Main Wind Force vs. Components & Cladding Explained (MWFRS vs. C&C)

ASCE 7 separates wind loading into three types: Main Wind Force Resisting System (MWFRS), Components and Cladding (C&C), and Other Structures and Building Appurtenances. MWFRS is defined as “(a)n assemblage of structural elements to provide support and stability for the overall structure.” Typically, members that receive loading from two surfaces are designed to resist MWFRS …

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