Foam around gas pipe

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Foam around gas pipe

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. It only takes a minute to sign up. I found some mouse droppings in a cabinet yesterday, I'm not very handy but best I can tell is the following. There is a weep hole outside, which is maybe 1 centimeter wide wide, and it seems the mouse came through there, then crawled up to the pipe and squeezed through the gap around the pipe and eventually got into the cabinets.

There are some holes for plumbing in the cabinets, where it has easy access to get in. I put a very small amount of foam on the gap last night, and it looks like the mouse pushed it out, I found a few droppings again in the cabinet this morning.

This is a common issue that is often ignored or dealt with in shoddy ways. First, yes, set a mouse trap and get rid of the mouse.

foam around gas pipe

Then deal with the hole. You may find an escutcheon that will fit around the gas pipe. Gas pipes may be many different sizes. Get a piece of plywood, maybe 6 inches square and cut it in half.

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Drill screw holes in the corners of the two pieces. Screw both halves down butted together onto another piece of plywood. In the center on the seam cut a hole the diameter of the pipe. Unscrew both halves an place the two halves on either side of the pipe covering the mouse hole and screw it down.

It's common practice to use duct seal or other similar products, to seal around utility penetrations. Properly installed, it should keep all types of pests out. Sign up to join this community.

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Mouse coming through gap around gas pipe Ask Question. Asked 3 years, 11 months ago. Active 3 years, 10 months ago.

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Viewed 12k times. I found some mouse droppings in a cabinet yesterday, I'm not very handy but best I can tell is the following - There is a weep hole outside, which is maybe 1 centimeter wide wide, and it seems the mouse came through there, then crawled up to the pipe and squeezed through the gap around the pipe and eventually got into the cabinets.

What is a correct and safe way to close the gap around the gas pipe? Dave Dave 23 1 1 gold badge 1 1 silver badge 3 3 bronze badges. First, kill the mouse. Otherwise you'll just end up with more mouse in the house and you won't know where they are. Yes, agreed. I should have done that last night. I've seen steel wool suggested to fill gaps, since mice will not like trying to chew through it Are you trying to prevent the mouse from getting into the house, or just this cabinet?

Active Oldest Votes. If you can't find an escutcheon, then you can make something to fit over the pipe. Ben Welborn Ben Welborn 5, 4 4 gold badges 16 16 silver badges 46 46 bronze badges.

Copper pipes with expanding foam filler

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Search Advanced…. Great Stuff spray foam OK in contact with copper hot water baseboard pipes? Thread starter ort5 Start date Nov 14, JavaScript is disabled.

For a better experience, please enable JavaScript in your browser before proceeding. Status Not open for further replies. Sep 1, 33 MA. Hi guys, I have an addition on my house from the previous owners. There is one section where the copper baseboard hot water pipes exit the building envelope and then poke through the addition floor.

Not the way I would have done it, but it's there nonetheless. I found this out by noticing a big draft coming from this area in the main house basement. The access hole that was cut is quite a bit larger than would have been required for the pipes. My question is this: can I fill the gap with spray foam?

I'm worried about flammability mainly, but the can says do not expose to over F I think. Surely the pipe temp is lower than that.

Thanks, Dave. Jan 5, Deep South. Sounds like a good excuse to buy an IR thermometer!

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EJL Minister of Fire. Oct 29, Western Mass. I think most baseboard heaters are in the range. Mine is right around when running.Remember Me? Education Advanced Search. Results 1 to 16 of Thread: Spray foam. Posts Spray foam The home I inspected this morning has the spray foam insulation between the rafters in the attic. The foam is touching the flue pipes from the water heater and furnace. Is this allowable?

Re: Spray foam.

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Originally Posted by James Bohac. Jerry Peck Construction Litigation Consultant www. Re: Spray foam Thanks, I wasn't sure if the same rules applied to the spray foam. I have read alot about this but first time seing it installed. They even sprayed over the gable vents on the ends of the attic. The good the bad and the ugly. Re: Spray foam Have you ever seen the ducts covered with foam? Darin Ginther Guest. Originally Posted by Rick Hurst. Re: Spray foam Rick, Yes. They use metal ducts then foam insulate them.

What is the R-value?Plumbers aren't finish carpenters or painters. It isn't their job to worry about appearances, and nowhere is this more apparent than under a sink. It's common for plumbers to create large, rough-cut holes for water and rain pipes and to leave them unfilled.

Because the holes are out of sight under the sink, many homeowners forget they are even there. Mice, rats and bugs of all persuasions know about them, though, and they use them as doorways into your house.

Cold air can also enter through these holes and frustrate your efforts to insulate your kitchen and reduce your energy consumption. Be frustrated no more — filling gaps around copper pipes and plastic drain pipes is a fast and easy project.

Pretty Handy Girl recommends Great Stuff for sealing gaps around pipes. Even though her post is sponsored by Great Stuff, it's still great advice. You don't have to use Great Stuff of course, because other brands, such as Loctite Tite Foam, are just as good. Most spray foams are essentially liquefied polyurethane, which expands into a hardening foam that completely fills gaps up to 2 inches wide and sometimes more.

Polyurethane is an inert material that has little to no environmental impact, and it adheres permanently. The hardened foam provides thermal insulation, and it's impervious to pests. Rodents can't chew their way through it, and when applied correctly it leaves no gaps for insects.

If you want to be certain that the foam will keep out pests, you can opt for Great Stuff Pestblock Insulating Foam, but it doesn't contain any pesticides. Since the Pestblock foam costs twice as much as the original, you might as well opt for the latter and save the money.

Spray foam is easy to use, but caution is required because it sticks to everything and is difficult, if not impossible, to remove. Solvents won't dissolve it, and if you get it on your hands, clothing or the sink cabinet, mechanical removal is required. You can't always remove it from fabric, so wear old or disposable clothing when using it. The foam comes in a ounce aerosol can with a removable application tube.

foam around gas pipe

Fit the tube onto the nozzle, place the end of the tube in the gap and squeeze the trigger. Fill gaps about halfway, and the foam will expand to complete the job. Keep a rag handy and cover the end of the tube as soon as you're done spraying to avoid dripping any liquid onto the bottom of the cabinet.

If the pipes under your kitchen sink are exposed, you may not want to fill the gaps around them with spray foam, which isn't the most attractive material in the world. Another even more appealing method for patching drywall around pipes is to fill the gaps with patching compound, which is a powder that sets rock hard when you mix it with water.

Trowel in the compound, give it an hour to set and then apply a coat of drywall joint compound, which is easier to sand flat. Finish up with a coat of paint to make the gaps disappear. Chris Deziel is a contractor, builder and general fix-it pro who has been active in the construction trades for 40 years. He has degrees in science and humanities and years of teaching experience. An avid craftsman and musician, Deziel began writing on home improvement topics in Hunker may earn compensation through affiliate links in this story.

Share this article. Chris Deziel. Show Comments.If you're like most homeowners, you've had to deal with utility installation at some point. Whether it was a new cable line, Internet service or phone wiring, the installers likely ran the lines into your home through holes drilled in the exterior walls.

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The more conscientious installers may have added sealants or caulk around these lines on your home's interior, but what about on the outside? Most likely, there are at least some utility or pipe penetrations in your walls that are surrounded by large gaps, providing an open invitation for insects.

Some common types of through wall penetrations include those made for water, gas, electrical or air-conditioning piping. Check the entire exterior of your home for these types of openings, as they may be located at either ground level or along the roof line. Often, you can visually follow cable and telephone lines from outside poles to find the path they take into your home.

Don't forget to check around outdoor faucets and electrical outlets [source: Gouge et al ]. Fill smaller gaps or cracks using pipe sealants or caulk. For larger openings, look for expandable polyurethane foam. Some installers prefer to add copper mesh or steel wool as a base layer behind this foam to deter insects that may bore through [source: Potter ]. How to Prepare for a Hurricane.

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Great Stuff spray foam OK in contact with copper hot water baseboard pipes?

More Rules New Posts. Search this thread. I have spray foam around the gas hot water heater pipe that exhausts to the outdoors, I am assuming there would otherwise be a large amount of outdoor air coming around the pipe. The problem I see is that the foam has largely turned black Is there a fire risk here?

If so what should I use to replace it with? Now what, huge draft Picture would be appropriately useful. Your spray foam contractor shouldn't have sprayed on there nor any exhaust outlets from furnace. Stuffing the cavity with Roxul insulation is your best bet here Is the exterior of your house brick? If so, mortar may be another option but I'd still stuff the internal cavity with Roxul. Firestop spray foam could do it. It shouldn't be that hot around the vent, after all it's exiting directly through a joist, but obviously regular spray foam just becomes caramel :p Or maybe it's black because it was already very warm there when the spray foam was applied and it didn't cure properly.

AFAIK vent size should not be reduced in any way which is not the case. Do you have a local knowlwegebale tech who can confirm if venting is done as per codes. I would be quite worried about your situation. I said the walls weren't done by a spray foam contractor, the wall's insulation isn't spray foam. It is a gas on demand hot water heater, the installer did not add the foam, I had someone come in and seal stuff prior to doing the home energy audit.

I am pretty sure the installer did things right, aside from not adding something to keep out the outside. That's a non condensing tankless that will push out exhaust that could reach degrees F or more.

You definitely need to keep the foam away from the vent.Every home is a sprawling network of pipes. That means unwanted air and pests can run from the basement, to the kitchen, through dryer vents and up into the attic. Results vary based on construction, style, year built and other unique home characteristics.

Participating homeowners were current employees of Dow. Expands to fill gaps and cracks up to 1". Use inside or out to fill gaps and cracks around plumbing lines and rim joists, in attics and basements, and more. Blocks critters, pests and insects. Seals gaps and cracks up to 1" where pests typically enter such as pipe and plumbing penetrations, dryer vents and more.

Use in gaps and cracks up to 3". Bonds to wood, metal, masonry, glass and most plastics. Easily recognizable by its orange color. Blocks out critters, pests and insects. Homeowners Why Air Seal? Contractors Benefits of Air Sealing. Where To Buy.

How to Videos. Contact Us. Sealing pipe penetrations.

foam around gas pipe

Solutions for the Homeowner. Pestblock Blocks critters, pests and insects. Solutions for the Contractors. Pestblock Blocks out critters, pests and insects. Need a bit more convincing about air sealing? Ready to go shopping? Learn more.


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