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/diy/ - Do It Yourself

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2048695 No.2048695 [Reply] [Original]

There are 4 unused penetration pipes through my foundation completely open. As well as wood blocks that were left from the pour. What the hell were they thinking? leaving all these gaping open for water and bugs to come in? My question for you. What product do I use to fill them and does it need to be filled from the exterior? I've already dug a ditch alongside the foundation wall on the exterior as i'm putting in a drainage system. So might as well fill these while it's open. I'd like to seal my sewer line penetration as well but don't want to fuck up anything. As for the boards, drill them out and fill it with same product?

>> No.2048696
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2048696

Heres the wood block in the foundation. These are in several places.

>> No.2048698
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2048698

Open sewer line just left uncapped. Thankfully cut off on the other side and not actually attached to sewer. All a source of water intrusion.

>> No.2048704

Couldn't I just fill it with actual concrete? Should the plastic sleeve be removed first?

>> No.2048765

I’d fill the hole(s) with some pray foam and then cap it with something like hydraulic cement. If you can get a proper cap for the sewer line. Looks like ABS? As for the wood blocks idk if that’s worth the effort.

>> No.2048766

>>2048704
leaving the sleeve won’t hurt anything

>> No.2048849

>>2048765
>>2048765
Sounds good, i'm going to probably do it from both sides. I capped that sewer line until the next day I was digging on the other side when I found out it wasn't connected to anything. I'm going to pull it out and use that entry point for my french drain into a sump pit. Those wood blocks are all over the place and as you can see are seeping water. I'll probably drill out as much as I can and just cement it too. Thanks

>> No.2048880

>>2048849
wood in the ground (outside) is asking for termites. don't know if you know whether they go through, might be some kind of attempt at sub floor? what year and area?

>>2048766
I woudln't if possible because it would be hard to fill between pipe and wall so you're still leaving gaps in the wall to collect water.

>> No.2049043

is OP sure those penetrations are not to let groundwater drain from behind the wall?

>> No.2049081

>>2049043
This is my thought too.

>>2048695
What year was the structure built? I'm wondering if those wood blocks are some sort of weep for the concrete or were put there to allow a proper weep in the future?

>> No.2049309

>>2049043
I've never heard of opened pipe penetrations used as drainage. Especially when theres no drainage ditches anywhere. House built in 1997 Pacific Northwest. The craftmanship everywhere is shoddy.

I don't have a blue on the wood blocks. Again it's something i've never seen before and no information about it online.