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5
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1answer
54 views

Flooding In New Construction Building

This weekend, water was observed flowing up, through the floor and through other joints, into the building - making a swimming pool we didn't ask for! Some Background We currently have a project ...
0
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0answers
18 views

Closing in a window opening on a cinderblock wall

I am having a window closed in, on a cinderblock wall. My contractor laid mortar horizontally when he put up the wall. But he left gaps on all the vertical sides of the cinderblocks. When I questioned ...
0
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1answer
99 views

Any idea what I'm drilling into?

I'm trying to mount a TV in my basement. House was built in the 60's, and the basement used to be a bomb shelter, from what I've been told, but most of the cinderblock walls were taken out. I'm trying ...
3
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0answers
53 views

Basement cinderblock wall tops - cover or fill

A few spots on the top of my basement wall have had their tops hacked off for projects (ducts/plumbing/unknown). We had a mouse issue and I'm looking to close these spots up in case they are finding ...
1
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1answer
29 views

Basement wall cinderblock gap fill

Basement wall cinderblocks. Found mice and am cleaning up that mess, noticed gaps in the top of the cinderblock wall. One of them I can see daylight through so there is definitely a crack that needs ...
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0answers
36 views

Retaining Wall Help

Does anyone have any recommendations on how to fix or even prevent this from getting worse? Moved into the house and crack has probably gotten bigger by about .5 inch. Unfortunately, previous owner ...
2
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1answer
55 views

How to lay rebars for a 4'x4'x12" footing for a column?

I have three columns to support lvl beams under an addition and have a question about proper rebar layout for each (identical) footing. All specs are already checked by engineer, but there is one ...
1
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1answer
50 views

Temporary Coverage for Sand Driveway

I have seen this done but never knew HOW it was done and remained in place. I am planning to gravel my sand driveway within the next month or so but in the meantime, I'm thinking about buying a heavy ...
0
votes
1answer
42 views

Can I use mortar to level out a patio made of cinder blocks?

We recently ripped out our deck because it was rotted and laid a level of cinder blocks 10ft x 32in for a small patio, basically just a step for coming out the back door. I was just wondering if I ...
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3answers
575 views

Need help with attaching wood to cinder block

Ive been researching and toiling over this as opposed to actually getting it done for too long, finally had to turn to a forum! I purchased a relatively old house (1957) some time ago and we've ...
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0answers
79 views

Attaching a wooden gate to a cinder block pillar rendered in ledge stone

hoping someone can help!!! We have just finished a yard remodel including building two new pillars at the entrance made of cinder block rendered in ledge stone. Look great! Next step - we want to ...
3
votes
1answer
419 views

Can I safely mount a wall-mount networking rack on one stud?

So I never really thought of it but I put a wall mount hinged Networking Rack in my home, it never came across my head "how much can this stud hold?" Image of the wall and rack: Ignore the mess ...
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2answers
122 views

Cinder Block Foundation - Excessive Moisture

My garage has such excessive moisture that I am often replacing pliers and other tools due to the constant rust that forms on their surface. It is not currently thermally regulated, but I have ...
1
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1answer
1k views

Sealing foundation blocks and gap between drywall

I am trying to paint my garage and noticed that there are gaps where drywall meets cinder blocks and between drywall and concrete slab in the garage. Is there a way I can seal and paint the cinder ...
2
votes
1answer
577 views

Can I attach a freestanding deck to concrete block garage wall?

I'm certain you can't attach a ledger to cinder block that is why the deck is going to be free standing. However, I would like to know if the deck could somehow be secured to the garage. Kind of like ...
0
votes
1answer
95 views

Possible to repair this retaining wall?

My wife and I are replacing the deck at the back of our house, and after we demolished the existing structure found the retaining walls near our basement door have moved significantly. These are ...
1
vote
1answer
155 views

What to do with cinder block holes made for electrical boxes?

The previous owners (flippers) left a surprise behind the drywall in my basement, and it was not just the absence of insulation. What is the best way to work with these holes? I want to replace the ...
1
vote
1answer
398 views

How to tile over cinder block holes?

I bought a house that has cinder block wall in the backyard. Whoever installed this wall opted to place the top blocks so that the holes are facing the side rather than the top and bottom. They then ...
3
votes
1answer
1k views

How to lay concrete block without squishing all the mortar?

I'm laying a small retaining wall for a garden and I'm having a lot if trouble getting a proper mortar joint. If it is on the soft side it is squished out of the joint with the weight of the block. ...
2
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4answers
19k views

Pros and cons of painting cinder block in basement?

I have owned my house for 5 years. The outside wall of the laundry room in the basement is unfinished cinderblock. The cinderblock wall looks a bit unsightly, with dabs of paint, and the rough ...
3
votes
2answers
2k views

Should you solid fill a low cinder block wall?

I'm making a raised garden bed that is about 2 cinder blocks high (with 1 extra cinder block below ground as footing) in a square shape 3.6 meter each side. So far I made a footing of 5 cm of ...
3
votes
1answer
555 views

open cinder block wall in basement

I am replacing some framing and sheet rock that has been contaminated by mice. The basement has cinder block walls that come up about half way for some reason. The house was built in the 1950s. In ...
0
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1answer
69 views

Should I add a vapor retarder to an interior cinderblock wall as part of my basement remodel?

I am currently in the process of finishing my basement and I want to know whether, in general, anything should be done to an interior cinderblock wall related to moisture protection. To show what I ...
2
votes
2answers
522 views

Can I drywall directly over cinder block (ceiling) using 7/8" hat channel?

We live in a condo that was previously a Hospital. In the early 1980s they installed the drywall ceilings using metal track. We removed the drywall and track to raise the ceiling from 8' to 11'. ...
3
votes
3answers
1k views

Copper pipe through cinder block wall: corrosion issue

The pipe in the picture runs from my oil tank through my basement wall and to the outside (guessing it's the vent pipe for when they fill the tank). Should I be concerned about what it going on at ...
6
votes
4answers
881 views

How to deaden the noise that bounces from cinderblock wall in backyard?

I have a very large backyard surrounded by a tall cinderblock wall. Not only is it HOT in the summer (NM summers) but the noise that bounces around is bad. Someone walking on the sidewalk next to my ...
2
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5answers
968 views

Can a regular rasp be used to enlarge a hole in concrete?

I need to enlarge a few holes from 40mm to 50mm in a cinder block wall and in a concrete beam. Chiseling will do much damage and need patching, can I rasp it with a wood rasp?
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0answers
5k views

Is there a way to remove paint from cinderblock walls that is not sand/glassbead-blasting?

The basement in our 1979-era house has cinderblock walls. These walls have a tacky (DryLok perhaps? It's not efflorescence) coating on their surface that looks like a heavy, thick paint. On top of ...
2
votes
1answer
985 views

Framing a new basement window in cinder block

We recently purchased a home and this window was boarded up on both sides. I removed the plywood to discover that it used to be a old coal chute. I removed all the old fiberglass insulation that was ...
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0answers
328 views

Will installing closed cell spray foam over ventilation for basement French drain significantly affect performance?

Question: Will installing closed cell spray foam over the ventilation for a basement French drain significantly affect the sump pump system's ability to remove water from the basement? Background: I ...
1
vote
2answers
327 views

What are the options to increase doorway height in load-bearing portion of foundation wall?

Question: What are the potential options for increasing doorway height in a load-bearing portion of a cinder block foundation wall? Background: I am considering finishing my basement, but there is an ...
2
votes
1answer
275 views

Foundation Cinderblock Chipped Repair

I seem to have a fairly large chip in one of my foundation cinderblocks. Is this type of damage repairable as a DIY project?
3
votes
4answers
57k views

Retaining wall: footing or no footing?

I'm looking to build a retaining wall on my sloped backyard. I'll be using cinder blocks (with mortar to join them together and rebar for added stability). (added info: at the lowest point the wall ...
1
vote
0answers
740 views

How should I secure electrical wire to a cinderblock wall in a crawl space?

I just purchased a house that was built around 1995 and has a cinderblock foundation that is exposed under the deck. There is a detached workshop that is about 100ft from the house that gets its ...
2
votes
1answer
1k views

How can I repair a cinder block wall around a sewer line?

After having replaced ~30' of 4" cast iron w PVC, I'm left with two holes in the cinderblock foundation. The holes are the height of 1 block and about 1/2 the width of a block. These leaves a pretty ...
2
votes
2answers
886 views

Can I replace a bit of a cinder block wall with wood post to support a deck?

We're in the process of replacing some deck boards, and are wondering if we should replace a section of the cement block wall. We're also not sure what the best way to go about it is. It's apparent ...
0
votes
1answer
514 views

Why would cinder blocks be used instead of concrete for a foundation wall?

Saw this video about how to properly lay bricks and dang! It takes more skill and care than I thought. Then I saw a video about how foundations are poured into wooden casts from a big concrete truck ...
0
votes
1answer
262 views

Ceiling joists job in a cinder block house

So I have a 25 x 30 square house made of cinder block. Roof is just a gable roof with gables on the ends of the 30ft length. My question is, I know in stick framed houses the ceiling joists act to ...
3
votes
3answers
13k views

Can furring strips be installed diretly to a cinderblock wall not in a basement?

I've tried finding a definitive answer but it's far more common for folks to have block walls in basements that need to be furred out, so the information deals primarily with that and I believe this ...
1
vote
2answers
13k views

How to adhere drywall to cinder block

I have just purchased a home which I will be renovating prior to moving in. The house was built in 1950 and has cinder block ex/interior walls. I have an area going into the hallway which attaches to ...
3
votes
3answers
20k views

How can I cut a cinder block wall to run large round duct through it?

When an addition was put onto the house that I own, the previous owner just ran the duct work into the crawl space through an old basement window. I want to re-route the duct work by actually cutting ...
4
votes
1answer
3k views

How can I insulate my garage?

My sister's garage gets very cold and very hot as it is not currently insulated. She has the heating/ac unit in there as well as a deep freezer. The attic space directly above the garage has no ...
2
votes
1answer
1k views

How can I mount a projector to a concrete ceiling?

I am in a dorm room and I am attempting to mount my projector and screen in my ceiling... As far as I can tell from just tapping the ceiling it is made of cinderblocks if that sounds right or ...
3
votes
2answers
16k views

What tool would you use to cut through cinder block?

I have a hidden room in my house that I would like to turn into a closet. The room (currently only accessible from the outside through the vent) vents the utility room to the outside. I'm not sure why ...
4
votes
3answers
5k views

Building a raised wall for a pond

We are looking to build a small pond (9'x18'x6'), but we want the edge to be raised up about 8". I am thinking about using CMUs (Concrete Masonry Units) which are 8x8x16. The entire pond will be lined ...
3
votes
3answers
4k views

What should I do with abandoned cinder blocks?

I recently moved to my first home (with a modest yard). The previous owners left behind about 20 cinder blocks. I'd like to build something constructive with them in lieu of discarding them. Any ...
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vote
2answers
1k views

How to prepare cinder block wall for painting?

I'd like to paint our cinder block wall but wanted to smooth the surface first. What are my options besides installing sheetrock on a wall?
5
votes
1answer
310 views

Glue crawl space rigid insulation

I've dug a trench around the perimeter of my crawl space. Then I planned the next steps. I took a week off but I'd like to finish this project next weekend. I am going to glue 2" R-10 FOAMULAR 250 ...
4
votes
2answers
283 views

What is cinderblock?

I live in the UK and have never heard of cinderblock, what is it?