Questions tagged [crawlspace]

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1answer
41 views

Correct way to fix a broken block in a cinder block foundation

I have a 1954 built house with a cinder block crawlspace foundation with about a 1 1/2 foot clearance. I can squeeze in, but not easily. I'm in Cleveland, OH, so there is definitely a freeze-thaw ...
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1answer
27 views

Crawl Space Wet Spot [closed]

My house is 65 yrs. old. It has a 4' high crawl space with a gravel floor. There is sheathing on the walls. Plastic sheeting was placed on the floor when we bought it 37 years ago and we have had ...
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2answers
27 views

How to protect this foundation sill from elements, rodents?

This is a pre-fab panel house, which means the walls were delivered to a team on site that had built the foundation and floor. It's fascinating to learn how this approach impacts the final project (...
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0answers
56 views

Can tankless water heaters be mounted to the underside of joists in a crawlspace?

My single-story 1100 sqft home (1 bathroom + laundry + kitchen) currently has a gas 40gal tank water heater. We're looking to renovate and remove the tank water heater. It would be replaced with ...
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35 views

How to insulate a crawl space without an access point

I have a cottage that has recently been completely renovated but later learnt that the floor was not insulated because there isn't an access panel. The cottage doesn't have a crawl space the area ...
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1answer
44 views

Minimum unfinished basement door height

I have a 1927 house that is built on a hill such that the basement walks out level with side yard and the sub-basement originally had a door that walked out the back yard with two steps down to ground ...
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1answer
46 views

Is this a reasonable way to create a crawlspace over a structural floor?

So, part of my thinking on "how to build a house" includes the use of a structural floor (slab) with a crawlspace framed atop it to provide space for, and access to, service runs. (Air handling ...
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1answer
48 views

Is a peltier-based dehumidifier a good choice to prevent condensation?

I have a non-heated, enclosed space (crawl space that does have a vapor barrier). During a limited number of days in the spring or fall, I get condensation on things that stay cold while the air ...
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0answers
20 views

Vapor Barrier Plastic over upside down crawlspace Insulation

I bought a rambler built in 1972. Had guys replace the insulation. Inspector came and said they put it in upside down. It's a shallow crawlspace and would be a mess to tear off paper and hard to ...
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2answers
98 views

Is a too-shallow foundation allowing excessive water into my dirt crawl space?

I live in a local minimum for my neighborhood, and in fact my house is built on the banks of a stormwater drainage ditch. Most of the rainwater from the road is collected by stormwater drains and fed ...
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1answer
36 views

Insulating/encapsulating crawlspace with HVAC ducting questions

In the PNW/Zone 4 climate. The house I am purchasing built in 1942 with an addition added had an inspection performed and it was noted that some of the fiberglass insulation installed under the ...
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3answers
1k views

What is the minimum height to a crawl space, and where did you get that information?

I am working with a customer and it was a great question. I was trying to find the exact answer.
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0answers
164 views

How to knock a hole through wall in crawl space

I need to gett access to the crawl space under the floors in every room in my house so that I can fit underfloor insulation. I'd like to fit insulation board as it seems to be the easiest to work ...
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2answers
167 views

Is it a problem that my laundry drain protrudes above ground level?

My plumber just moved the laundry's washer drain location and this is the picture from the outside: It was re-connect to the old drain pipe and go into crawl space. My question is: Does it look ...
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0answers
58 views

Options for sealing off basement crawlspace

The "crawlspace" In the back left upper corner of my basement, a hole was made to enable the addition of a powder room on the main floor 15+ years ago. The basement walls are concrete and the hole ...
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1answer
41 views

Crawl Space Insulation in Montreal

I have the ground floor apartment in a 100 year old triplex on the plateau in Montreal. It's an 800 sq foot apartment with baseboard electric heaters and I'm currently using over 110kwH per day to ...
2
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1answer
82 views

2-4 inch gap between crawlspace slab (floor) and surrounding wall - Why?

about a year ago I had my crawlspace conditioned. Among other things, the company put in a concrete slab for the floor and added a sump pump in the corner. The strange thing is, there is a 1-4 inch ...
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2answers
59 views

What should I do with the airflow in a sealed off conditioned crawlspace

First and foremost thanks ahead of time for everyone's help :) I am in the process of finishing my basement and had some questions/concerns about "what to do with the air" in my crawlspace. ...
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0answers
29 views

How can I provide effective access to a subdivided space below a non-structural floor?

One problem faced when finished spaces are built atop concrete slab floors (whether slab-on-grade/slab-as-basement-floor, or a suspended reinforced concrete structural slab floor) is "where do the ...
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1answer
136 views

Widening the stone entrance into a crawlspace

I've got a 200 year old house with a crawl space under one corner of the house. The entrance to that crawl space is very tight (pictured below), and I am a large man. I want to expand the entrance to ...
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1answer
193 views

Mold in inaccessible crawlspace

I bought a 1927 house last year and, afterwards learned I'm especially sensitive to mold and this house has plenty of it. I've eliminated mold everywhere I've found it except in the inaccessible ...
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0answers
29 views

Another Crawl Space Encapsulation Question

I recently encapsulated the crawl space under a 12'x14' "sun room" addition to our home. We are in SE Ohio. The room was initially built as a 3 season room, not heated or cooled and had jalousie ...
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3answers
280 views

Is it a concern that 120v cables hang down from the ceiling in my crawl space?

Recently went in my crawlspace to fix some plumbing issues and noticed that all the electrical seems to be just hanging, with some on the ground. I'm fairly certain that this is nowhere close to code, ...
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3answers
94 views

What's the best way to keep humidity down in crawl space?

I have a nominally dry crawl space that is around 22' square and about 4' tall with a concrete floor. It has no indication of leaks and is dry, but too moist during the hot Maryland summers to keep ...
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2answers
102 views

Crawlspace encapsulation

This past weekend I recently had to fix the flooring of my family cottage. In a heavy-traffic side entryway, the plyboard floor was bending when you walked over it. We opened up the floor to see ...
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1answer
76 views

Encapsulating a cottage crawlspace built on bedrock

I own a 3 season cottage that is built on concrete posts that are embedded into the bedrock. I would like to use the cottage in winter and I was thinking that encapsulating the crawlspace under the ...
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3answers
88 views

Crawlspace Post to beam lumber grade

Recently we replaced some of the rotten and cracked true size 4 in x 6 in. posts under the house in crawlspace. The old posts were resting on concrete pads 24 in. x 24 in. and supporting a true size ...
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1answer
302 views

AC unit dripping onto crawl space vapor barrier

I just bought a house whose crawlspace looks like it was partially converted to being sealed off. Basically, they put down a vapor barrier and closed off the vents, but didn't finish the job. On top ...
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1answer
1k views

GFCI tripping on overload?

We called out the contractor who did our crawlspace encapsulation because the GFCI receptacle that serves the crawlspace loads (dehumidifier, sump pump, and two humidistat controlled fans) trips ...
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2answers
999 views

Can porcelain tile planks be installed in a crawl space house?

My home is a single story, about 1200 square feet, and is built on a crawl space foundation with a plywood sub-floor. The people we bought the house from had flipped the home after a foreclosure, and ...
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0answers
85 views

How to tie interior crawlspace drain to outside discharge pipe?

I am installing an interior perimeter drain in a damp outbuilding crawl space. In the "literature" (YouTube) this kind of drain is commonly described but always with a pumped discharge (basin, pump, 1 ...
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0answers
39 views

Vapor barrier for crawl space

We have a home at Oak Island NC. Our home was built in the 70's. There were no mildew or mold problem until we had plastic put in our crawl space. After a few years we now have the mold problem so we ...
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1answer
125 views

Should I fill my crawlspace drainage trenches before putting down a moisture barrier?

I recently purchased a house by Lake Erie which has a crawlspace foundation. There are existing drainage trenches throughout it dug into the hard clay, which all drains to a sump pump. These trenches ...
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0answers
64 views

Can basement plumbing rough-in be moved to a new location in the crawl space?

Thanks for any help with these Plumbing 101 questions. Before talking with a pro about bathroom updates, I want a good grasp of what might be feasible. This bathroom has water and drain coming up ...
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1answer
242 views

Leveling the sagging side of the home

I am buying a home and one part of the home is actually visibly sagging. While looking at the crawlspace, I've noticed that some work was done to support the home. It seems like there is no new ...
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0answers
160 views

Is CSST piping and water piping in an inaccessible crawl space against code?

The CSST line that feeds our upstairs dryer with gas, the water pipes for the washing machine and some electrical wires run through an inaccessible crawlspace in the basement. When I went to turn the ...
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1answer
214 views

What purpose does this PVC pipe in my crawlspace serve?

I was cleaning the crawlspace under the house and discovered two 3/4 inch white PVC pipes that run across the crawlspace buried under ground (4-8 inch deep) and terminate at the perimeter foundation ...
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0answers
39 views

Do I need to vent a crawlspace?

We just completed a 20x20 great room addition on the side of our house with a 4 foot crawl space and poured concrete floor. There is a 4’ by 4’ cut through to access this crawl space from the existing ...
2
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1answer
83 views

Installing Vapour Barrier in Crawlspace with Water Heater

I'm installing a vapour barrier over the dirt floor in my crawlspace. There is a water heater already installed and I'm wondering if it's a good idea to tape the vapour barrier directly to the bottom ...
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3answers
70 views

What type of crawlspace setup do I have?

New home owner here - I’m working on sealing the furnace ducts that run through our crawlspace. Previous owner used silver duct tape and not the proper mastic or UL approves aluminum tape. Long story ...
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1answer
448 views

Crawlspace Insulation Upside Down Replacement

I have an upcoming project and would appreciate any input. My crawlspace in Maryland had insulation installed upside down (face paper towards ground) and is now rotted/mildewed/falling from the ...
2
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2answers
216 views

Powering Subpanel from CSED via Feed-Through Lugs

I'm wiring my house and would like some feedback on the sizing and routing of conductors between the exterior service entrance and an interior subpanel. On the outside, I have installed a combination ...
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1answer
347 views

Black gas pipe in unconditioned crawlspace?

My GC used black cast iron gas pipe to connect from the PGE riser to the interior of the house. He wrapped the pipe from the riser, down into the ground, and up 10" above the ground where the pipe ...
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1answer
106 views

Are these studs supporting the stairs?

Planning on building a cupboard under the stairs i was going to leave this section but the plasterboard was damp (Prob from cats water bowl spilling or something). So i thought i may as well make use ...
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1answer
172 views

Remove Foundation Concrete Block

We are having HVAC ductwork installed in our crawlspace and one of the companies mentioned they do not remove foundation concrete blocks due to liability. Unfortunately, for us to have registers in ...
3
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1answer
97 views

Exceptions for support when fishing crawlspace wiring

After having cut a hole in the wall to peek into the crawlspace, it seem rather feasible to relocate our 3-prong dryer receptacle to a new location by running new 4-wire cable all the way back to the ...
7
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1answer
604 views

Tree stump in crawlspace surrounded by boards and covered in concrete?

I had a home inspection done today and the inspector told me this was a first: In the crawlspace there was a large box filled with concrete. It looks like this: Image source The builder was there ...
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0answers
673 views

Wires run through foundation vent screen

I need to replace the foundation vents in the house I recently bought. Unfortunately, AT&T, Time Warner, and others have run wires through one of the screens. I can't easily detach the wires to ...
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2answers
130 views

In a crawl space how do i secure electric cables?

In a crawl space, can I staple the electric 12/2 cable to the floor joist?
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0answers
128 views

Sealing Off Gravity Pipe from Crawl Space

I currently have a 6" clay pipe for eliminating water from my crawlspace. The pipe exits my crawlspace about a foot from a corner wall, travels 15', and opens to air in a ditch (for now). It is ...