Plug/cover holes in siding

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Old 07-26-19, 10:09 AM
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Plug/cover holes in siding

We have these two holes drilled through this exterior wall which I would like to plug or probably cover in a manner that looks neat and decent and makes sense. The siding there happens to be that "Hardi-plank" brand cement board stuff. The idea of removing the siding with the holes and replacing it with new matching siding is not one I'm willing to even consider; for one thing it would be too much trouble and the other is Hardi-plank is no longer available in my area. I just want to cover probably or do something so it looks okay instead of just having those bare holes showing like that. The holes used to have furnace oil tank filler pipe and vent pipe sticking through, which have since been removed and will never be needed again. One hole is 2" diameter and the other 2 3/4" . Any comments appreciated.

 
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Old 07-26-19, 10:12 AM
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Since you aren't willing to replace it you might as well just caulk it.
 
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Old 07-26-19, 10:35 AM
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Not sure if you're joking about caulking but I fail to see how caulking would take care of it. Perhaps you could elaborate unless of course you're kidding.
 
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Old 07-26-19, 11:09 AM
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if you have any scrap siding, could you cut a plug and caulk that in place?

- Peter
 
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Old 07-26-19, 11:17 AM
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Nope there is no scrap siding of this same material available.
 
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Old 07-26-19, 11:28 AM
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What is directly behind the siding?
I'd think cutting a plug and gluing/caulking it in place would be the best bet. Even if the texture and thickness is close the repair will always be noticeable if you know where to look. ..... but should be acceptable.
 
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Old 07-26-19, 01:17 PM
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What is directly behind the siding?
The siding itself looks to be a quarter inch thick or so, attached to 1/2" plywood and separated by a couple layers of tar paper. Here's a photo but you can't really see but that's what it is.

 
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Old 07-26-19, 01:48 PM
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It's probably 3/8" thick, measure to know for sure.
You should be able to get a piece of siding at most any big box or lumber yard that is the same thickness with a similar texture. Cut a plug out of it and caulk around the perimeter and nail it to the plywood. With a little luck you might cruise past some jobsites and find some scrap siding that will work. The odds are they'd give it to you for free ..... although refreshments are always appreciated.
 
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Old 07-26-19, 01:55 PM
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If that's a 2" hole..... get a piece of wood 1-3/4" x 3" or so. You'll need to glue it to the back side of the sheathing. You can use a screw thru a piece of scrap wood on the front to hold the back in place until the glue dries. Then fill hole with wood putty or fiberglass.

You can't use a plug as there is no back.
 
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Old 07-26-19, 01:57 PM
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That's right, with lap siding the siding doesn't set flat on the plywood
I suppose you could use shims to hold the plug flat with the siding.
 
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Old 07-26-19, 01:59 PM
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Those are holes completely thru all the wood as there were pipes in them.
 
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Old 07-26-19, 02:44 PM
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It's probably 3/8" thick, measure to know for sure.
Yes it is indeed, upon measuring, 3/8" thick siding.

You can't use a plug as there is no back.
Yes, exactly true.

If that's a 2" hole..... get a piece of wood 1-3/4" x 3" or so. You'll need to glue it to the back side of the sheathing.
As I mentioned first post, one of the holes is 2" diameter, and the other is 2 3/4" diameter. Behind the plywood sheathing is hollow wall inside, and directly opposite the exterior hole(s) is interior hole(s) same diameter(s) cut through the interior side of the wall which is 5/8" drywall. This is how the pipe(s) (now removed for good) fit all the way through from the interior to the exterior. I don't have access to the exterior plywood sheathing to be able to glue a piece of wood to it in there, unless I was to enlarge the hole(s) on the inside drywall big enough to insert the wood, and I wouldn't necessarily want to enlarge those holes any larger, but could I suppose. Then once I had the wood glued on back there I could proceed to fill the "holes" (actually then would be approximately 7/8" deep round depressions) with a buncha putty or fiberglass filler stuff.
 
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Old 07-26-19, 05:02 PM
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You stuff a wad of something into the hole, or cut a wood plug that fits inside. (Shim the perimeter of the plug so it fits tight.) Then you caulk the surface. Caulking is only 1/4" deep. Then tool it smooth.
 
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Old 07-26-19, 05:19 PM
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ok got it. thanks for all the replies. will post back final results
 
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