Questions tagged [crawlspace]

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3
votes
2answers
139 views

Is there a reason to replace 50 year old metal ducting in the crawlspace with modern insulated flexible ducting?

My concern is heat loss in the chilly crawlspace. No AC here, only forced air gas furnace. The existing metal ducting in the crawl space is over 50 years but is intact. There is a very thin layer of ...
2
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1answer
57 views

Seeking suggestions for working around a crawl space vent when building a deck

Our home is a 1950s split level in IL. Our split level deck's step is shorter than code, everyone trips on it, and the homeowner is legally blind. We need to level the deck for safety. Raising the ...
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0answers
25 views

Should I be installing a dehumidifier inlet with the air supply or just in the crawlspace?

Built our home five years ago and our crawlspace is 2300 sq ft. For awhile ran a residential dehumidifier till it went out. I do understand that placing this in the crawlspace wasnt the best ideal ...
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0answers
39 views

Preparing crawl space for storage

I have a large crawl space under my first floor that I can access from my basement. The ceiling of the crawlspace is insulated with fiberglass (my library/den is above it on the first floor). The ...
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2answers
56 views

Why doesn't my condensate pump drain very well?

I'm working on a crawl space encapsulation. One of the last steps for me to do is to setup a dehumidifier. I bought a Santa Fe Compact 70 and a condensate pump to go with it. I'm discharging it about ...
3
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0answers
47 views

Drilling holes in crawl space block foundation

I did a crawl space encapsulation myself. I used foundation pins to secure the vapor barrier to the walls every 16". Unfortunately, my walls were so wet I couldn't use a butyl tape like the ...
2
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2answers
68 views

How to Replace Wood Support in Crawlspace?

On an inspection report, there is a stack of wood in the crawlspace acting as a support post. I'm wondering how and what these should be replaced with? Googling steel shims, I see it's just a sheet ...
0
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2answers
48 views

how should I determine the requirements for my specific crawlspace encapsulation?

I live in the San Francisco Bay Area. Low humidity and mild climate year round. I don't have any problem with mold or humidity in my vented crawlspace, but it is musty and I want to prevent that musty ...
1
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1answer
101 views

HVAC Condensate draining into crawlspace

I recently purchased a home that had been remodeled by the previous owners. They installed a new furnace and A/C unit in the basement crawlspace. Initially, the crawlspace was dry and everything ...
0
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1answer
62 views

Support for crawlspace beams

Bought my house in 2018. The beam in crawlspace is supported with some rusted plates on top of concrete, possibly to fix sagging over the years. My floor feels bouncy and I believe I should have ...
2
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2answers
96 views

Best way to repair the crawl space vent

So I had a few questions as far as stucco vents go. Here is an image of what we are talking about: What would be the best way to repair this hole? Just some wire mesh over it? Some follow on ...
1
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1answer
54 views

Door sticks and drywall cracks, ledger board not level?

I noticed some drywall cracking in the corner above the door frame on both sides of the door and that door is unable to fully close, a few weeks ago all was fine, crack was there but door could close ...
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2answers
176 views

Best/easiest way to install access door to dead space in house

I have a roughly 6'x6' dead space on my second floor that was previously used to run exhaust pipes for my gas water heater and gas heater on the ground floor. This dead space currently has no access, ...
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0answers
37 views

Sanding Down Portion of Flagstone Patio

Good morning - I'm installing a new door to my crawl space that provides a tighter seal. The older door left a small gap underneath the door. The crawl space door is right off of my flagstone patio. ...
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3answers
82 views

Should the foundation wall be insulated when encapsulating a crawl space, or not?

I've seen conflicting info on this. Some sources say that you shouldn't insulate your foundation wall because moisture can get trapped between the insulation and the wall. Others say that the ...
3
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1answer
147 views

Why can't an encapsulated and dehumidified crawl space have vents sealed off?

I found SECTION R408.3 of the International Residential Code which says that unvented crawl spaces are only allowed if one of the following is true: There is exhaust ventilation fan running ...
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5answers
130 views

What kind of flooring for crawl space that is easy to move on?

what kind of flooring/mat/pad may be used on a section of the floor as a base for storing items and is also slippery enough to be able to glide/push/pull items on top of it? Edits: Crawl space floor ...
1
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1answer
1k views

How low should I drill holes in my sump pump basin? Should I drill them at the bottom?

I'm encapsulating my crawl space and as a part of this I'm installing a sump pump with a perimeter drain around the inside of the crawl space that leads to the sump pump basin. I installed the sump ...
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0answers
45 views

is there anything wrong with using plastic sheeting under joists in a dirt crawlspace area?

background info: old farm house crawlspace with exterior perimeter walls made from boulders and cement skimmed to create a fall surface. joists under the main living space have batting type fiberglass ...
0
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2answers
667 views

Sump pump horizontal distance - Why do 90 deg angles put more load on the pump after a vertical drop?

I'm installing a new sump pump basin in a new location in my crawl space. I currently have a Zoeller M53 1/3 HP. The discharge pipe will come out the back of my house, but I want to bring the ...
0
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1answer
328 views

Can only use small sump pump basin in crawl space, what can I do to prevent short cycling?

My crawl space access is only 19" in height. This severely limits the sump basins I can find. Every basin I see that say that they are 18" diameter are referring to only the inside diameter. ...
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1answer
38 views

Sewer Line Opening - Makeshift Vent or Rodents?

In the crawl space beneath my house, the sewer line has a branch that runs right to the crawl space entry/vent. The end cap has a jagged hole: Not sure if it's been that way since I bought it (...
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1answer
59 views

new crawl space access?

My homes previous owner had built an addition to the home which then made the crawl space access inside the home. I wanted to seal that off and then create a new exterior crawl space access. But I ...
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1answer
39 views

Framing in a home's crawlspace

Looking to take some time in the new year to frame out an area of my "crawlspace." It has about 7.5' clearance in height, so it'll be tight... but my goal is to make a workbench area for ...
3
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2answers
113 views

Is this open supply duct in my vented crawl space necessary?

New (first-time) home owner here (4 months in). I recently discovered what at first seemed like an un/disconnected supply-side duct in our vented (open) crawl space. Photo attached. After several ...
1
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1answer
67 views

Should cracks and water in the crawl space concern me when buying a house? [duplicate]

I am looking at a house that with a crawl space (see image). The crawl space has the full height of a basement, windows and a door leading outside in the back. It has French Drains along the downhill ...
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2answers
65 views

Are water and vertical cracks normal for full height crawl space? [closed]

I am thinking about purchasing a home that is set on top of a crawl space (see image). The crawl space has the full height of a basement, windows and a door leading outside in the back. It has French ...
1
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0answers
66 views

Replacing a full height crawl space with basement

I am thinking about purchasing a home that is set on top of a crawl space (see image). The crawl space has the full height of a basement, windows and a door leading outside in the back. It has French ...
0
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0answers
32 views

Adding new electrical outlet to formerly exterior wall, via crawlspace?

I have a formerly exterior wall that is now a wall to an enclosed sun porch. I want to add an electrical outlet there. The nearest outlet is on a 15 amp circuit and is located about 2 feet away, on a ...
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1answer
84 views

How can I heat a crawl space to work in

The crawlspace at its highest is maybe 5 feet and lowest 1.5 feet with somewhat dusty dirt floor. It is not insulated. This winter I'll be working mostly in the larger section doing no flammable work (...
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2answers
135 views

How can I effectively drain foundation water along the sump pail location?

In my crawl space I dug out the perimeter to about 3 inches below the footings. I then laid rock and installed perforated drain with sock to keep out debris and laid rock on top. I dug a hole for the ...
12
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6answers
2k views

Wiring a reliable temperature switched outlet

I have an electrical wiring question. Background: I'm building my house by contracting out the daunting parts. Through a lack of good communication with the plumber, my plumber ran most of my PEX ...
0
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1answer
86 views

air gap between insulation batts and subfloor

I'm looking at the insulation in a crawl space below the first floor of my home. Joists are I-beams (12" deep, model TJI 350), 12" on center. Insulation is R19 fiberglass bats, tight-...
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2answers
667 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 ...
0
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1answer
35 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 ...
0
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2answers
153 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 (...
2
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0answers
80 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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0answers
44 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 ...
0
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1answer
329 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 ...
2
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1answer
103 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 ...
0
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1answer
717 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
31 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
299 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 ...
0
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1answer
46 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 ...
6
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3answers
3k 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
532 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 ...
4
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3answers
254 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 ...
2
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0answers
60 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 ...
0
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1answer
58 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
139 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 ...