Prevent seepage from concrete patio into field-stone foundation

Among my upcoming projects is adding a downspout to my over-burdened gutters. The only place I can put it is in a corner of my house that has wooden entry steps and a small concrete patio.



How can/should I waterproof the seam from the concrete to the house? Clear silicone? Hydraulic cement? Pages from my unsold first novel?

What prep-work do I need to do before any application?

 

Just plain don't do it, run the water away from the house. Maybe run all the way across the patio and then along side the one coming off the back of the house.

 

And in between chapters of your unfinished novel, better plan to do something with that jagged hole in the siding (second floor, near the corner).

 

Mitch,
My only concern with that is getting enough of a slope. We get some cold winters and I think that slow moving water in a long extension will just freeze.

Assuming that my testing shows that the cement does, in fact, slope away from the house, is it still a bad idea to run the downspout there? If it's no longer a horrible idea, should I do anything else to help handle the water flow? Hell, I don't even mind getting some sort of cutting tool to put some channels in the concrete to move the water away from the house.

BridgeMan,
Thanks for the concern. The "hole" is an exterior light. Hard to tell against the boring-colored siding.

 

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If the slab is sloped away from the house then simply add an elbow (90 or 45 deg) at the end of the new downspout pipe so that it directs the water away from the house and ensures that it will flow down the slab. You can even add a 1 or 2 foot length of straight pipe to that elbow to be doubly sure.....you have enough room along the side of the stairs.


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I looked all over the 2nd floor trying to find that jagged hole I missed
saw the light from the get go

 

Darn me! That'll teach me (hopefully) not to comment just after coming back from the effects of a severe insulin reaction--low blood sugars do funny things to the already marginal eyesight. Going on 51 years as a Type 1 diabetic on insulin.

 

I'm not sure why my message from yesterday didn't post.

Thank you, Halton. That does seem obvious. Either I had only been looking at the problem from the "front" corner for these past months, and didn't realize I could go from the back corner and under the steps until just yesterday, or there is some grading issue that I have that has caused me to think that I cannot drain it this way. I'll have to look again.