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North American Deck & Railing Association
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Providing Premier Engineering Support For These NADRA Members
On Demand Engineering From Our Plan Store
NADRA Premier Members & their referrals receive discounts & incentives on Readymade plans for permit & construction.
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DECK & RAILING INDUSTRY KNOWLEDGE BASE
For decks on grade, deck girders shall be supported as specified on approved engineering plans using products such as NADRA member NCP Industries Handi-Block or Handi Pier. Click here to learn more.
Is A Top Rail Required For A Glass Railing?
Aesthetically pleasing, clean and one of the biggest architectural trends, the glass railing is fast gaining popularity as a go-to safeguard barrier for modern construction.
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
How To Determine Uplift Reactions For Canopies-Carports-Pergolas
Canopies & Wind Understand this – A backyard canopy attached to the back of your house, a pergola/trellis, or a lightweight sunroom/screen room comprise
Is Steel or Reinforcing or Fibermesh Required in Posts & Footings of Building Components?
INTRODUCTION The main purpose foundations serve is to distribute and resist the forces or loads experienced by the host structure due to wind, rain, snow,
Types of At-Grade Footings Explained
Here’s a description and illustrations we’ve created for footing types we frequently reference in our work for sunrooms, pergolas, carports, screen rooms, signs, and similar
About Lag Bolts-Screws In Wood – Size – Pullout – Shear
Lag screws are some of the toughest types of screws available. When it comes to fastening heavy materials in construction and woodworking, lag bolts and
2015/2018 IRC RAILING GUIDELINES
The 2015/2018 International Residential Code (IRC)… contains railing guidelines similar to those found in the Florida Building Code 6th & 7th Edition (2017, 2020). Below
Designing Interior Glass? Here are some engineering code items to consider
There’s more to consider when designing interior glass than just how it looks. Turns out there are quite a few design and safety factors to
Frost Protection For Concrete Footings On Grade – Heave
Concrete Footing Frost Protection – An Explanation Section 1809.5 of the Florida Building Code (2020) and 2015 & 2018 International Building Code describe the design
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