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#1
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Soffits and attic insulation....
-- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew |
#2
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Soffits and attic insulation....
In article ,
"Matthew" wrote: -- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew I'm just curious -- 1) how huge is "huge," and 2) why don't you like blown-in insulation, which seems to be pretty ideal for applications such as yours? I mean, it's not like you'd be looking at it every day. Chances are, by the next day, you'd forget you even had it. Speaking as a pedestrian, there doesn't seem to be anything overtly wrong with your plan provided you're able to secure whatever you plan on using so there's a nice, snug fit over/around the holes. An actual construction-trade professional might have a different and far more qualified opinion, tho. Otherwise try it and find out. Not like you could ruin your house doing it or anything AJS |
#3
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Soffits and attic insulation....
"Matthew" wrote in message . net...
-- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew You will neeed more than insulation to effectively close those holes. Since the holes are most likely not square, this should work. Try cutting plywood a bit larger than the hole, slide it up through the hole and position it to cover the hole. Construction adhesive should be enough to seal the perimeter. TB |
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Soffits and attic insulation....
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#5
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Soffits and attic insulation....
My two cents... I wouldn't block the soffit venting, since ideally you
want to keep that roof cool so you don't get melting and ice dams and the whole mess that comes with those. Ideally, you'd get into that space, put in some sort of gable vent then insulate the floor of the space. That way your living space is insulated and the roof stays cool. Of course this comes from a Mainer who wrestles with ice dams every year because the original contractor didn't vent my attic correctly. It may not be as big an issue on Long Island (although I'm pretty sure it gets cold down there as well, right?) John "Matthew" wrote in message . net... -- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew |
#6
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Soffits and attic insulation....
Yes John, it has been unseasonably cold here on LI. Single digits, teens.
though more recently 30's. I spoke to the contractor who did the siding who agrees....he would cut a hole in the side of the house to gain access to the attic floor space, insulate the space, then when closing the hole, place a gable vent there. Probably the best bet but certainly not the cheapest. I just thought that if I put it back to the way it was (sealed soffits) it would be ok and a heck of a lot cheaper. I'm in my home 12 years and never had ice damming in the 1st floor roof. Matthew "John Gold" wrote in message m... My two cents... I wouldn't block the soffit venting, since ideally you want to keep that roof cool so you don't get melting and ice dams and the whole mess that comes with those. Ideally, you'd get into that space, put in some sort of gable vent then insulate the floor of the space. That way your living space is insulated and the roof stays cool. Of course this comes from a Mainer who wrestles with ice dams every year because the original contractor didn't vent my attic correctly. It may not be as big an issue on Long Island (although I'm pretty sure it gets cold down there as well, right?) John "Matthew" wrote in message . net... -- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew |
#7
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Soffits and attic insulation....
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#8
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Soffits and attic insulation....
Your assumption of the relatively small attic space hence no venting is
likely correct. When I had my CAC installed a few years ago the HVAC contractor called my house a "sweat box design" because of the non vented lower roof.. There are plenty of high hats in both the den and kitchen. The idea of blown insulation did cross my mind however I thought that blown insulation needed to be kept AWAY from the highhats as it is a fire hazard. Any advice on this?? Matthew "HA HA Budys Here" wrote in message ... From: "Matthew" Date: 2/13/2004 6:31 PM Eastern Standard Time Message-id: Yes John, it has been unseasonably cold here on LI. Single digits, teens. though more recently 30's. I spoke to the contractor who did the siding who agrees....he would cut a hole in the side of the house to gain access to the attic floor space, insulate the space, then when closing the hole, place a gable vent there. Probably the best bet but certainly not the cheapest. I just thought that if I put it back to the way it was (sealed soffits) it would be ok and a heck of a lot cheaper. I'm in my home 12 years and never had ice damming in the 1st floor roof. Matthew Under this roof are heated rooms, right? The area was probably very tightly insulated and was considered too small an area, roof-wise, to worry about heat-buildup and proper venting. Are there any recessed hi-hats in the ceiling under this area where you could pop them down, blow insulation over the whole kit-and-kaboddle, and then simply pop the hi-hats back into place? "John Gold" wrote in message om... My two cents... I wouldn't block the soffit venting, since ideally you want to keep that roof cool so you don't get melting and ice dams and the whole mess that comes with those. Ideally, you'd get into that space, put in some sort of gable vent then insulate the floor of the space. That way your living space is insulated and the roof stays cool. Of course this comes from a Mainer who wrestles with ice dams every year because the original contractor didn't vent my attic correctly. It may not be as big an issue on Long Island (although I'm pretty sure it gets cold down there as well, right?) John "Matthew" wrote in message .net... -- I live on Long Island and own a colonial home with a second floor attic and partial roof over my 1st floor den and kitchen off of the rear of the house. My upstairs attic is well ventilated and is insulated with attic blankets. The issue is with my lower roof. It is a sealed design....no gable vents (I suppose there are no true "gables" per se...the roof comes off of the rear of the house). That attic not being ventilated, the insulation is relatively minimal. I never had a problem until I has vinyl siding installed a few years ago. The siding itself was installed over "super tuff-R". Only recently while having some electrical work done did I realize that the contractor cut huge holes in the original plywood soffit before installing the ventilated vinyl soffit. My den and kitchen have been notably cooler in the winter and I can now safely assume it is coming from these previously sealed, now vented soffits. I have no roof vents or gable vents so there is nowhere for the air that enters the soffits to go but DOWN, not out. Now the question..... I have no access to this attic short of cutting a HOLE in the side of my house to get in there to insulate. I will not have blown insulation installed...I don't like the stuff. I know it may not be "proper" but can I just pull down the vinyl soffit, stuff insulation into these huge holes and replace the vinyl?? I will sort of put it back "the way it was". All suggestions appreciated!!! Thanks, Matthew |
#9
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Soffits and attic insulation....
According to Matthew :
Your assumption of the relatively small attic space hence no venting is likely correct. When I had my CAC installed a few years ago the HVAC contractor called my house a "sweat box design" because of the non vented lower roof.. There are plenty of high hats in both the den and kitchen. The idea of blown insulation did cross my mind however I thought that blown insulation needed to be kept AWAY from the highhats as it is a fire hazard. Any advice on this?? Assuming "high hat" == pot fixture, yes, blown (or _any_) insulation on top of them is an extreme no-no, _unless_, the fixtures are rated for burial in insulation (75W maximum, thermal cutouts etc). They're not that expensive ($10-$20 apiece), but they'd be a pain to retrofit. Given you weren't having problems before, I think just covering the "new" soffit holes is by far the cheapest solution. If it were me, tho, I'd do full insulation, put an eave-end vent in, and replace the fixtures - or box 'em (see the electrical wiring FAQ) before covering with insulation. "Boxing" them basically means boxing in about 8 cubic feet worth of joist gap surrounding the fixture with plywood, and _then_ covering with insulation. I'd recommend an inspector consult _before_ committing to that. If you insulate, I suspect you need to guarantee the venting. Yeah, it costs a lot more than just sealing the holes, but it'll probably pay for itself in reduced heating costs in relatively short order. Especially if you do it yourself. -- Chris Lewis, Una confibula non set est It's not just anyone who gets a Starship Cruiser class named after them. |
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