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How do I Install Base Rails on my Foundation?

08/31/2016 · HT038

Proper layout and thorough preparation are necessary to ensure any structure goes up correctly.  By this point, the site has been selected, the foundation is poured and cured, and it’s time to begin building the structure.  We will start with the base rails.



The instructions that arrived with your kit (as well as the Care Package that was emailed to you) will contain a list of all parts, their dimensions, and how many of each piece you will need.  Gather the starter base rails and the extensions required for each side of the structure.

 

  •  Place starter base rails flush with the sheeting edge on the  front of the slab.

 

  •  Locate and insert extension base rails until desired length is reached.

 

  •  Measure from end pin to the first pin of the next inserted base rail. Adjust spacing accurately and evenly.

 

  •  Once spacing is correct secure with 2 #12 self drilling screws NOTE: place screws so they penetrate swage as well.

 

  •  Locate 1/2" x 7" expansion anchor bolts and 1/2" washers.  NOTE: Verify with local building department the type of anchor bolts approved for your area.

 

  •  Using the anchor hole in the base rail as a guide and a 1/2" concrete bit hammer drill, pre-drill 5" into slab.  The holes will accumulate concrete dust and must be blown clean before securing the wedge anchor into the hole.

 

  •  Place the washer and nut on the top of bolt with 2 threads showing.



Set bolt with a hammer and tighten down with crescent wrench.

NOTE: do not crush the tubing.

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