Mounting Deck Ledgers to Floor Trusses - Fine Homebuilding

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Mounting Deck Ledgers to Floor Trusses

comments (5) March 29th, 2012 in Blogs
MikeGuertin Mike Guertin, editorial advisor

Click To Enlarge Photo: SBCA

 

You have to be especially cautious when mounting a deck to a house with an open-web floor truss system.  Floor trusses usually have a 2x4 or 2x6 ribbon board along the top edge but it's inadequate for ledger attachment. Nor can you generally just screw into the truss web. Ideally, you can determine who designed and fabricated the floor truss system and contact the company for a deck ledger attachment detail. Most truss fabricators I've worked with have standard details for truss blocking and reinforcement at deck ledger positions.

The Structural Building Component Association (SBCA) has five details that illustrate general blocking and reinforcement of floor trusses for ledger attachment in their "Attachment of Residential Deck Ledger to Metal Plate Connected Wood Truss Floor System" Tech Note. 

Many of these details are easy to install when the house is being framed but are much more complicated to retrofit especially when the interior has been finished.  When I encounter an existing house with floor trusses, I almost always design a free-standing deck.

 

Also, read the other articles in the dificult-deck-ledger series:

Mounting Deck Ledgers to Engineered Floor Systems

Freestanding Decks Solve Ledger Attachment Challenges

 


posted in: Blogs, deck, deck ledger, SBCA Deck Ledger to floor truss

Comments (5)

EHS EHS writes:
Posted: 1:19 am on May 21st

EHS EHS writes:
Posted: 1:17 am on May 21st

larsonbrent larsonbrent writes: Find out what things you need to consider when you are shopping for the best laptop hard drive for your computer
Posted: 11:21 pm on May 11th

larsonbrent larsonbrent writes: Things to consider when shopping for the best hard disk drives
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2,Remember that it's okay to go over what you need but it's not okay to go under
Of course, you can easily see there are so many laptop hard drive for sale online, when purchasing a hard drive, it's okay to purchase more gigabytes than you actually need, just like me, I love installing lots of games, so I bought a big sony laptop hard drive in advance. However, if you were to purchase less gigabytes than you actually need, this is not going to be okay because you won't be able to do the things that you want to do on your computer. Be sure to shoot for more disk space. Keep in mind that installing a hard drive on a laptop can be more complicated than installing a hard drive on a desktop computer. You also need to accommodate for the installation costs when you're going to have a company install this for you. Look online and do some comparison shopping so that you can find the best laptop hard drive for a price that makes sense for your budget.

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Thank you, useful.
Thank you, useful
But to be frank, it doesn't tell in detail what should we do to choose a best one, agree?
I don't think it's good to buy a new hard dirve, why not change the laptop? Lol.
Posted: 11:21 pm on May 11th

larsonbrent larsonbrent writes: Find out what to look for when you are shopping for a hard drive
Posted: 11:30 pm on May 9th

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