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Question
Is it possible to build a deck onto a house which is built on a slab using a floating foundation system? They look pretty easy to install.
Thanks so much
Hi Jean, of course it is. All you need is about six inches between the elevation of the surrounding yard and the top of the new deck. If you don't have enough elevation you can terrace out of your house and step up to a higher deck. But as long as you have at least 6" you can build a 2x4 pressure treated frame and support it with precast footing block laid into the soil and then you shim up to the 2x4 joist. 2x4's as deck joists need to be supported at least every four feet and spaced at most 24" apart. Please see attached diagrams....I hope this information helps feel free to write again regarding this or other matters, sincerely bruce e johnson..bejohnsonconsulting.com
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| Rating(1-10) | Knowledgeability = 10 | Clarity of Response = 10 | Politeness = 10 |
| Comment | Thank you so much, Bruce, I can't believe how quickly you got back to me. The floating system seems like the way to go. Jean | ||
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Answers by Expert:
Bruce E. Johnson
Expertise
I can answer any construction related question in regards to carpentry, concrete, drywall, masonry, structural elements of any type of building, residential or commercial. Interior or exterior.
Experience
Custom Commercial and residential buildings. Churches, theaters, schools and auditoriums. Most recently I am working with the Catholic Church on several design build committees. I have a website related to scheduling and project supervision. Although my expertise is more related to multimillion dollar commercial, educational and theatrical projects my generous credentials in residential and remodelling construction make me a viable source of information regarding all forms of building questions.
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