thimble through old house and insulating now
- Formulabruce
- Member
- Posts: 288
- Joined: Sat. Feb. 02, 2013 8:02 pm
- Location: in the "Shire" ( New Hamp -shire)
- Hand Fed Coal Stove: Harmon Mark 1 Goldenfire
- Coal Size/Type: BLASHAK Nut and Stove size
- Other Heating: Blower from a gas furnace if I need to move air, no heat
I have a duravent 6 inch thimble through the wall of my house. Been ripping down the plaster walls and slats etc to prepare for spray foam.
The outside of the thimble barely gets warm
When running, but I would like some thoughts as to if there needs to be any more barrier around the thimble before the wall gets foamed. Interior wall is exactly 4" thick.
The outside of the thimble barely gets warm
When running, but I would like some thoughts as to if there needs to be any more barrier around the thimble before the wall gets foamed. Interior wall is exactly 4" thick.
- Sunny Boy
- Member
- Posts: 25559
- Joined: Mon. Nov. 11, 2013 1:40 pm
- Location: Central NY
- Hand Fed Coal Boiler: Anthracite Industrial, domestic hot water heater
- Baseburners & Antiques: Glenwood range 208, # 6 base heater, 2 Modern Oak 118.
- Coal Size/Type: Nuts !
- Other Heating: Oil &electric plenum furnace
My thimbles have cement for about several inches all around them, filling the wall cavity and separating the sheet metal thimble from all the wall framing.
Paul
Paul
- freetown fred
- Member
- Posts: 30293
- Joined: Thu. Dec. 31, 2009 12:33 pm
- Location: Freetown,NY 13803
- Hand Fed Coal Stove: HITZER 50-93
- Coal Size/Type: BLASCHAK Nut
Hell F--pink insulation packed in around the thimble with a beauty ring over the sheet rock has been workin for yrs.
- Rob R.
- Site Moderator
- Posts: 17980
- Joined: Fri. Dec. 28, 2007 4:26 pm
- Location: Chazy, NY
- Stoker Coal Boiler: EFM 520
- Hand Fed Coal Stove: Chubby Jr
What does your spray foam guy say?
Concerns about fire aside, you don't want the thimble "glued" into the wall with spray foam. It would be easy enough to keep the spray foam a few inches away and insulate that area with rockwool.
Concerns about fire aside, you don't want the thimble "glued" into the wall with spray foam. It would be easy enough to keep the spray foam a few inches away and insulate that area with rockwool.
- Formulabruce
- Member
- Posts: 288
- Joined: Sat. Feb. 02, 2013 8:02 pm
- Location: in the "Shire" ( New Hamp -shire)
- Hand Fed Coal Stove: Harmon Mark 1 Goldenfire
- Coal Size/Type: BLASHAK Nut and Stove size
- Other Heating: Blower from a gas furnace if I need to move air, no heat
I verified that Rockwool is being used for this, thanks guys!@
-
- Member
- Posts: 556
- Joined: Sat. Feb. 22, 2020 9:46 pm
- Location: Bethel, Pa
- Hand Fed Coal Stove: 2 Legacy TLC 2000 one in the upper and 1 in the lower part of the house
- Coal Size/Type: Wood and pea, nut ,stove and egg coal
Use the 18" rule. Anything closer than 18" from your stovepipe should be insulated with rock wool, as it is unknown if someone may choose to burn wood and the difference between coal flue temps and wood flue temps are quite drastic.
-
- Member
- Posts: 126
- Joined: Sat. Mar. 12, 2022 5:07 pm
- Location: Thompsontown, PA
- Hand Fed Coal Stove: Franco Belge 144.08.02
I think this is what my chimney guy did. It was pretty basic/straightforward..and my house is over 100 years old with horsehair plaster/lathe/etc.freetown fred wrote: ↑Sat. Jul. 30, 2022 9:25 pmHell F--pink insulation packed in around the thimble with a beauty ring over the sheet rock has been workin for yrs.
- freetown fred
- Member
- Posts: 30293
- Joined: Thu. Dec. 31, 2009 12:33 pm
- Location: Freetown,NY 13803
- Hand Fed Coal Stove: HITZER 50-93
- Coal Size/Type: BLASCHAK Nut
I love to see these old houses restored as close to time era as possible. My deed goes back to 1845. Good on you M.
Attachments
- freetown fred
- Member
- Posts: 30293
- Joined: Thu. Dec. 31, 2009 12:33 pm
- Location: Freetown,NY 13803
- Hand Fed Coal Stove: HITZER 50-93
- Coal Size/Type: BLASCHAK Nut
LOL---indeed Richard!!
-
- Site Moderator
- Posts: 11416
- Joined: Wed. Nov. 05, 2008 5:11 pm
- Location: Kent CT
- Hand Fed Coal Stove: V ermont Castings 2310, Franco Belge 262
- Baseburners & Antiques: Glenwood Modern Oak 114
- Coal Size/Type: nut and pea
Rattling windows is a sound fewer and fewer hear today. And what happened to Jack Frost.
- freetown fred
- Member
- Posts: 30293
- Joined: Thu. Dec. 31, 2009 12:33 pm
- Location: Freetown,NY 13803
- Hand Fed Coal Stove: HITZER 50-93
- Coal Size/Type: BLASCHAK Nut
He occasionaly shows up in Freetown on my hill!!!!!!!!!!!!!!!!!!!!!! LOL
- Sunny Boy
- Member
- Posts: 25559
- Joined: Mon. Nov. 11, 2013 1:40 pm
- Location: Central NY
- Hand Fed Coal Boiler: Anthracite Industrial, domestic hot water heater
- Baseburners & Antiques: Glenwood range 208, # 6 base heater, 2 Modern Oak 118.
- Coal Size/Type: Nuts !
- Other Heating: Oil &electric plenum furnace