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Questions tagged [fiberglass]

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was in attic for an hour without mask. could this cause issue?

my bathroom fan was dropping water so i went up to the attic and applied fiberglass insulation to the bare metal vent pipt from the fan out to the roof. i was up in the attic for an hour wearing ...
user21479's user avatar
  • 413
6 votes
8 answers
102k views

Is there an approved way of fixing a cracked Fiberglass Tub/Shower?

I noticed a crack in the bottom of my tub, and noticed that it flexed when I stepped near it. I called in 2 companies to give me an estimate on repair. The first, proposed a more or less ...
BJ Safdie's user avatar
  • 165
5 votes
1 answer
2k views

Can fiber-optic data cable be run overhead to a garage?

I want to run internet from my main house to garage located few meters away. I plan to use fiber instead of cat5 to avoid reported problems of blowing out network switches. I could have made a trench ...
22332112's user avatar
  • 153
4 votes
4 answers
14k views

Should I insulate between my basement and main living floor?

I'm in my first winter in a ~140 year old home and attempting to improve efficiency / comfort. The home has a concrete basement (originally sandstone foundation) which is conditioned space, but in ...
NiloCK's user avatar
  • 151
4 votes
2 answers
4k views

What's my health situation like living in an exposed fiberglass insulation for 2 weeks

My attic floor is covered with fiberglass insulation. I go to the attic very often. Sorting out winter/summer clothes. Or I go up to search for stuff as my attic is a short term storage. 2 weeks ago, ...
Tina's user avatar
  • 49
4 votes
2 answers
3k views

Wrapping fibreglass/ rock wool to seal in fibres in acoustic panels (bass traps)

I'm Making acoustic panels to treat my home studio and plan to use mineral wool or fibreglass insulation to do so. Likely Owen's Corning 703 or something marketed as safe insulation like Bradford ...
Luke Allison's user avatar
3 votes
6 answers
15k views

Ok to add cellulose over blown fiberglass insulation?

I have an attic with blown in fiberglass insulation, probably original and 27 years old. The attic appears to have had some moisture issues in the past (bathroom vents being vented out of the soffit ...
mang's user avatar
  • 158
3 votes
2 answers
901 views

Is it worthwhile to cover fiberglass insulation with Tyvek under a house?

I have a raised home in New Orleans, where the weather is hot and humid 2/3 of the year, but it can get quite cold for brief periods in the winter. The house is about 100 years old and there is some ...
Valerio's user avatar
  • 133
2 votes
1 answer
1k views

Fixing micro-cracks in a fiberglass tub

I am experiencing leakage from my tub. It is inconsistent with a small amount of water, but it happens to leak onto the computers below. After multiple plumbers reviewed the plumbing and found no ...
jl_678's user avatar
  • 23
2 votes
2 answers
168 views

How do I assess different insulation recommendations? [closed]

We live in CT. I don't know the technical terms but our house configuration is: Split level ranch (two floors plus attic) Gas furnace and gas water heater in the basement Air handler in the attic Air ...
IMTheNachoMan's user avatar
2 votes
3 answers
4k views

How can I waterproof an exposed porch with a basement room underneath?

I am replacing a front porch, it currently is an elevated porch with your typical dirt and debris underneath, and it is an open porch. I intend to excavate a new basement room underneath it, cutting ...
MakingSpace's user avatar
2 votes
2 answers
96 views

Is this fiberglass insulation?

I'm having a difficult identifying the type of insulation behind a section of drywall. The home was built in North America around the 1940s. It's undergone several rounds of renovation projects and ...
DeadBranch's user avatar
2 votes
1 answer
515 views

Using 10 1/4 inch fiberglass insulation in a 6 inch space?

I need to insulate under a floor that has hydronic radiant heat. I am going to use fiberglass batts between the joists of the floor, with the kraft vapor barrier upward (toward the warmer area). The ...
bib's user avatar
  • 33.7k
2 votes
1 answer
93 views

Ceiling fiberglass getting yellow because of bad primer?

We started to prepare an old reinforced concrete ceiling of a panel building for painting. We cleaned off several layers of very old soviet wallpapers, glue, paint, putty and other stuff. Then we ...
Gherman's user avatar
  • 135
2 votes
1 answer
597 views

Do I need to paint exterior fiberglass porch columns?

The vendor said I needed to prime and paint them. If I like the bare colour of them as they are now, I'm hoping I can just keep it as-is. Is there a reason that I would need to prime and paint them? ...
jordan's user avatar
  • 227
2 votes
1 answer
9k views

is it ok to peel paper from faced fiberglass batt insulation?

An above grade portion (wood framing) of my basement walls (in unfinished furnace room) is currently insulated with faced R19 fiberglass batts . It is very drafty because the batts dont fit perfectly ...
skimon's user avatar
  • 247
2 votes
1 answer
41 views

Uncovered fiberglass in exterior wall?

We are removing a corner prefab wood burning fireplace. One wall behind the fireplace and part of the ceiling are exterior structures. When we took the drywall down, we found that the fiberglass at ...
Daltoniana's user avatar
1 vote
2 answers
2k views

Repairing fiberglass garage door panel with large hole

This large hole came with the garage when we bought the house. I would like to repair this to make it look a lot better, and at least keep prowling cats out. The backing you see in the picture behind ...
Nicknamednick's user avatar
1 vote
4 answers
519 views

How to temporarily join fiberglass poles?

I need to be able to repeatedly attach and disconnect two solid fiberglass poles. The poles themselves will be the same diameter (~3/8"). The joint doesn't need to be stronger than the poles when ...
Matt Thomas's user avatar
1 vote
3 answers
203 views

Does this tub repair method sound legit?

I have a 20 year old fiberglass tub/shower combo. It evidently lays over a wood support in a 3rd story condo unit. That wood is now wet from a leak as the neighbor below had a plumber cut a hole in ...
E.East's user avatar
  • 11
1 vote
2 answers
364 views

Will blown-in insulation work directly on the back of 12" square ceilings tiles?

We're renovating an extremely old house that we use as a camp that had numerous issues. ( Originally built circa WW2, but has had some work done since then. We use it occasionally in the warmer months ...
Ramrod's user avatar
  • 284
1 vote
1 answer
155 views

Is it OK if I can feel fiberglass cloth texture after curing?

I'm restoring a popup camper (not technically home improvement, I guess, but the question overlaps just fine) and I covered up some holes in the aluminum roof with Bondo-brand fiberglass cloth and ...
John Chrysostom's user avatar
1 vote
1 answer
513 views

How do I protect the painted finish on my fiberglass door?

I just purchased a new fiberglass front door. It's a beautiful door, factory painted, but less than 24 hours later, we're noticing that the paint can easily be scratched off, and the rain splashing ...
Takes2long's user avatar
1 vote
2 answers
5k views

How to insulate already-existing stud walls along block foundation

My new (to me) house has a 60-year-old block foundation. The previous owners did little to no insulating in the basement. However, they started to finish a bedroom down there, and got as far as ...
dlf's user avatar
  • 647
1 vote
1 answer
1k views

How far should a wall for a bathtub extend beyond the tub? [closed]

I am installing a new 30" wide fiberglass tub/shower kit. Does anyone have any suggestions on how wide the wall for the plumbing needs to be? Since I am installing a 30" wide tub. Do I make ...
I am Not A Carpenter's user avatar
1 vote
2 answers
1k views

Can I recaulk joints in a fiberglass shower surround after removing old caulk?

There's a fiberglass shower stall in my bathroom. It consists of two wall panels and one pan, and there seems to be glue/caulk in the seams between them, as shown in the photos. I wonder if I can ...
bobby_yan's user avatar
  • 161
1 vote
2 answers
460 views

New fiberglass batts near HVAC ducts

I have R19 fiberglass batts in my attic. There are large soft insulated HVAC ducts covering the batts in some places. I would like to put in new R30 on top of the R19. What is the proper way to ...
have_beard_will_ski's user avatar
1 vote
1 answer
2k views

Fiberglass appearing in home dust

Thin and very straight fibers have been appearing in household dust, primarily in the room which I occupy. I suspect these fibers to be fiberglass. These fibers shine/glint back if illuminated with a ...
snoopledorf's user avatar
1 vote
1 answer
243 views

Should I install fiberglass batts underneath my existing blown fiberglass?

I have loose fill fiberglass insulation in my attic (picture below). I was thinking about upgrading the insulation because, from what I've read, this is one of the least effective insulation types. ...
mang's user avatar
  • 158
1 vote
2 answers
5k views

Attic Blow-In Fiberglass Insulation with air handler

This weekend we're installing insulation in our attic. I've gotten everything ready except for my air handler for heating and cooling, which is located in the attic. I've got 30 bales of fiberglass ...
Ian Pringle's user avatar
1 vote
1 answer
183 views

Trim a prehung fiberglass door for a nonstandard front door height

I intend to replace my old front door. It is currently a steel left-hand inswing door. The slab itself is 36"x77.5". The ceiling is very short and this door opens within an inch of the ...
CircArgs's user avatar
  • 141
1 vote
1 answer
276 views

Can I use my extra attic fiberglass on steam pipes?

I am about to insulate my steam pipes, which are currently exposed. I have a ton of extra attic insulation left over from another project. Can I use this (and some duct tape for shaping) on my steam ...
Andrew Steier's user avatar
1 vote
1 answer
258 views

How do the pieces of this fiberglass tub surround attach to each other?

I have a Jacuzzi-brand tub with an integrated multi-piece surround that came with our house when we bought it. Probably installed in the 90s if not earlier, but I don't really know. This bathroom is ...
will_mse's user avatar
1 vote
1 answer
3k views

Should I worry about this pipe insulation? (fiberglass vs asbestos)

I have found those pipes in my basement. I hope its fiberglass, but not sure if its asbestos, because it got placed in the 60's or 70's (in my country the use of asbestos got banned in 2005). These ...
Gabor's user avatar
  • 11
1 vote
1 answer
1k views

Do I need to repair a slit vapor barrier on fiberglass insulation

I am cutting holes in the ceiling to install IC-rated recessed lights and I accidentally slit into the brown paper lining of the underside of the fiberglass insulation. Do I need to repair the cuts ...
Ethan N's user avatar
  • 267
1 vote
1 answer
5k views

Can I insulate PEX pipe in a crawlspace with fiberglass insulation?

I have PEX pipe hung under the floor joists in my crawl space. I am inclined to cut fiberglass wall insulation R-14 into strips and run it under the pipe.That will encase it as the floors are well ...
Pat A.'s user avatar
  • 11
1 vote
0 answers
35 views

How to repair a small gouge in a fiberglass shower insert? [duplicate]

I have a small gauge (about penny size) towards the bottom of a fiberglass tub/shower combo insert in the house i bought. The rest of the insert is in great condition, so really don't want to replace ...
aknodt's user avatar
  • 461
1 vote
0 answers
2k views

How can I repair a cracked inground pool step?

The top step into my inground pool is cracked. I saw Repairing cracked fiberglass pool steps but it references "years old" technique without a useful link. If someone can point me to that ...
Chris Nelson's user avatar
1 vote
0 answers
189 views

Fibreglass batt vs rigid foam insulation replacement in attic

Cleaning out attic in older 1954 rancher, original batt insulation badly damaged due to moisture (no leaks, but previous owners replaced roof in the winter) and rodents. Attic is vented via soffit ...
hwm's user avatar
  • 141
1 vote
0 answers
152 views

Stripping paint off fiberglass?

I'd recently acquired a fibreglass recurve bow, with a horrid (in contrast, at least!) pink identification on the handle in what I presume is paint: I swapped it in isopropyl alcohol for a bit, ...
Foo B. Baz.'s user avatar
1 vote
0 answers
2k views

Can I install batts under rafters in partially obstructed knee wall space?

I have an unconditioned knee wall space. I wish to condition it but am faced with a small dilemma. My concern is: can I install fiberglass against the rafters (assuming I have baffles), if the ...
saigafreak's user avatar
1 vote
0 answers
2k views

Refinishing Front (Fiberglass) Door Advice

I'm in the middle of refinishing my fiberglass front door. Definitely not going the way I've planned, but I'm hoping it may still turn out ok. :) What I've done so far: I used Citri-Strip Paint and ...
nfarrar's user avatar
  • 141
1 vote
0 answers
3k views

Repairing cracked fiberglass pool steps

I have a roughly 6" crack on one of my top fiberglass pool steps that slowly allows the water level to drain below the optimal level for the skimmer. I've found some years old suggested techniques ...
Chris W.'s user avatar
  • 626
0 votes
1 answer
670 views

Fibrous, crumbling papery material falling off old mattress — what is it? Asbestos?

I’ve got a bed/mattress about 40 years old in my spare bedroom in Sweden. The bottom of the mattress is covered in this fibrous paper that has started to crumble on to the floor. It turns in to dust ...
curtiss's user avatar
  • 41
0 votes
2 answers
127 views

What is the proper name for this rubber edging trim for fibreglass?

I have a fibreglass seat pan, and it was damaged. What's the correct name for the edging stuff? I hope that I can find something large enough to cover the road-rash. There's a springy steel-...
Criggie's user avatar
  • 10.7k
0 votes
2 answers
160 views

Are there square/ rectangle/ U openable/ open panel conduits that have one side panel that can be opened & closed?

Are there square/ rectangle/ U openable/ open panel conduits that have one side panel that can be opened & closed? Will be doing a up / down cable/ pull for current/ future optic Fiber etc. so ...
Alex S's user avatar
  • 243
0 votes
2 answers
498 views

Need to develop a tapered spacer for under a car lift on an angled concrete slab [closed]

I need to fabricate/develop an angled spacer. 13 inch wide by 10 inch long, by 3/4 inch to 1 3/8 inch thick. This spacer is needed to go under two of the posts of a hobbyist car lift in my garage. ...
Kevin G's user avatar
0 votes
1 answer
754 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-...
Ben E's user avatar
  • 51
0 votes
1 answer
1k views

How to fill the cavity in a recessed door panel

I'm restoring the door to my dumb waiter. The door is 1" thick, plywood core, tin exterior (1/32"); the door is original and dates back to 1939. I want to make the door completely flat, then ...
raffian's user avatar
  • 333
0 votes
1 answer
6k views

New crawl space fiberglass insulation - Strong odor

We just had fiberglass batt insulation installed in the crawl space under our house. There is a strong odor coming from the crawl space that was not there this morning before the work was done. I've ...
Jim Garrison's user avatar