Floor in my Trench Drain

[KPSquared]

HEy guys,

So, when I poured my floor I formed up the trench drain (1'x24') and just left the inside without concrete (due to the way I formed it)

Looking for advice now that its time to pour the floor in the drain.

How do I get a good bond? Should I calk the sides with something to prevet moisture from getting under my slab? How thick should I pour it?

Any help is appreciated!

Pics of the form work are in my sig.

 

[Flexia]

You could get a premade drain buy nds and sepend it with rebar and then pour more crete around it.

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