What concrete to use for a threshold

[cvcman]

I want to pour a concrete threshold about 2” thick for my entry door..
I called Sacrete and they said use sand mix,,, but I read the bag and it foesnt sound like the correct choice

 

[Leaflessshadetree]

2" isn't very thick. What's under it and what type of threshold on the door?
If it's compacted ground/gravel and the door has an extruded aluminum threshold the exact mix isn't too important. Any of the sakrete concrete products would probably work.
Actually I'd dig it out and make it thicker.

 

[topp64]

If I understand you correctly, your door threshold will be 2" above the concrete floor? If that's what you have, I would use non-shrink grout between the floor and the threshold.

 

[The Cobbler]

assuming you're doing this over concrete....I would drill several holes at an angle for rebar pins , or install a bunch of tapcons and leave them up so the new concrete can grab onto them.
form & use top & bond

 

[mark.nowak]

Most packaged concrete only uses a 3/8” max size aggregate so most would work. If you are in a colder climate area, I may look for something air entrained, for instance Quikrete crack resistant concrete, it is air entrained and contain fibers. If you are in a warmer climate it not necessary.


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[strutaeng]

Man, I did this when I was still living at my parents home. The threshold rotted away and I thought I would build a threshold that would never rot away.

I built the door frame jambs out of PVC and formed and poured the threshold...just can't remember what I used at the moment. Maybe the 5500 psi Maximizer before they went with that expanded shale aggregate they now use which us useless for finishing?

I used one of those ADA aluminum thresholds with stainless steel screws, and has looked great after 10 years. Probably good for another 150 years, lol.

Everytime, I step on these cheese aluminum (leak prone) theresholds on my house doors I tell myself I need to do this...