How to fill large gaps between concrete steps and wall?

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  #1  
Old 10-23-18, 08:54 AM
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Question How to fill large gaps between concrete steps and wall?

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I'm almost finished with my paver walkway and steps yey!
I'm seeking for advice on what to use to fill those large gaps between concrete pavers and side of the house so bugs (wasps, bumble bees, etc.) can't get in there.
I probably need some kind of "tube" delivery device so firs thing that comes to mind is expanding foam. Is it something that can be used in this situation? Any specific types of brands?
Not sure if that matters but this area is outside but it's covered from rain.
Thanks in advance!
 
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  #2  
Old 10-23-18, 09:31 AM
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Spray foam is my first guess. It's technically a difficult area. Ideally there wouldn't be siding behind the steps and you could mortar the gap between the concrete steps and foundation wall.

What is above you photo. My main concern is foaming the gap in your photo. Then when it rains and the water runs down the siding and hits the foam... where does it go? You don't want to create a dam so the water can get behind the siding.
 
  #3  
Old 10-23-18, 09:42 AM
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I'm also thinking spray foam but it can look messy. I'd spray it a little short and then go over it with mortar to dress it up. The siding could be caulked. A pic from further back would be nice.
 
  #4  
Old 10-23-18, 10:44 AM
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Thanks guys!
There's a roof over it, so mostly no rain. Only front left corner might get some splashing water..
It's a great idea about using caulk near siding, I haven't thought of that!
So I'll give sprayfoam a careful go... Maybe mortar over it...
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  #5  
Old 10-23-18, 01:09 PM
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Ideally you'd have the siding cut just above the steps/landing and use flashing to seal the gap.
 
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