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.
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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
What wind speed should I use for my project?
To determine the wind speed to use for your project, visit the ASCE Hazard Tool. This tool allows input of a project address and also
Eave Height and Mean Roof Height – Per ASCE 7 – Building Codes
ASCE Mean Roof Height – An Introduction A building’s height plays a large role in calculating the magnitude of wind pressures on a structure. Wind
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
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
ASCE 7 WIND EXPOSURE CATEGORIES AND HOW EXPOSURE ‘D’ WORKS
Wind Exposure Category Overview ASCE-7 is the governing referenced standard for design loads on buildings & other structures for building codes throughout the US. ASCE
I see values for F1 and F2 on Evaluation Reports. What are they?
F1 and F2 are the limiting performance capacities of the forces in the parallel and perpendicular directions of a building component. Which one is which
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
FAQ I need a wind load chart for window – door – garage door installation. What do I do?
Visit This Link on our Plan Store to find wind pressure charts for each of these items. We also have a site-specific calculator
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
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
ASCE 7 Wall Zones 4 & 5 Explained
Understanding Wall Zones 4 & 5 Wind speed converts to wind pressure using a formula with many variables. There are many wind pressures on a
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
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
Loss of Capacity Due To Welded Aluminum In Railings – Signs – Structures
Regarding any aluminum railing project, it is imperative to understand the life-safety issue that arises when welding an aluminum railing or sign post. For example,
Why are spacing, edge distance, and embedment important for concrete anchors?
When an anchor is installed into concrete, there is an area surrounding the anchor called a cone of influence in which the anchor is affecting
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
ASTM, SEI, ISO Fastener Material Properties and Specifications
Here is a list of fastener markings for various grades of anchors. Information is reprinted courtesy of American Fastener FASTENER GRADE MARK (SCROLL DOWN
Is a large missile impact window or door automatically approved for small missile impact?
Overview Changes to the 2020 Florida Building Code for Porous Impact Protection Devices Porous Impact Protective Systems: ASTM E1996-12A brought a significant change to Porous
Can you substitute spacers for insulating glass units (IGU)?
The question of whether or not an installer can substitute the spacer that separates the outer from the inner glazing on an insulating glass unit
Egress Emergency Escape Requirements for Windows
The International Building Codes 2015/2018, Florida Building Codes 2017, 2020, & corresponding Residential Codes list the following in regards to egress as an emergency escape
Metal Fasteners UNC vs Spaced Thread
Overview Metal fastening is designed per the requirements of the American Institute of Steel Construction (AISC): Specification for Structural Steel Buildings in conjunction with the
Wind Speed vs. Wind Pressure Explained
Many don’t understand how wind works & state that a product is rated to a specific wind speed. This is false advertising & not true.
TEK Sheet Metal Screws (SMS) – About – Sizes – Gauges
Tek® screws have become an essential tool in construction and manufacturing, valued for their self-drilling capabilities that simplify a variety of projects. These screws eliminate
Case Study: Phantom Screens – Is a Florida Product Approval Required?
Product Approvals for building components are the general rule in Florida. Building officials, architects, insurance companies, even homeowners ask for them all the time, frequently
What’s the minimum penetration for lag screws into wood?
Per the 2015 National Design Specification for Wood Construction (NDS 2015), section 12.1.4.6, the minimum length of lag screw penetration Pmin not including the length
Steel Bolt Edge Distance Requirements
Per AISC-ANSI-360-16, the minimum edge distance for bolts to the edge of a connected part is to follow the below table J3.4 (inches) AISC/ANSI
How do I calculate the effective opening area on window or door products? – What opening area should be used for wind pressure determination on a multi-panel product?
The Building Codes in the US reference ASCE-7 for the design of the components and cladding of buildings (26.1.2.2 ASCE 7-10, ASCE 7-16, ASCE 7-22).
What is a window or door buck
What You Need To Know About Window & Doors Buck, Why Are They Used and When Do They Need to be Anchored Masonry openings
Note: While Engineering Express provides design services for DeWalt, Powers, Elco, among others, Engineering Express is not affiliated with any of these companies nor do any of these companies, endorse or warranty any information not published by the respective companies listed herein. See full terms