Posted: 5/27/2017 6:21:57 PM EDT
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles.
I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? |
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Would this not require some sort of additional support of the roof ?? Just had a metal roof installed on my house. Ripped off all the old shingles and tar paper. Quoted:
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Put it over the shingles and let them be the sound deadener . this is a solution that I had not considered. |
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Would this not require some sort of additional support of the roof ?? Just had a metal roof installed on my house. Ripped off all the old shingles and tar paper. Quoted:
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Put it over the shingles and let them be the sound deadener . |
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Metal roofs are loud as shit in the rain. I like the sound tho. Sitting here listening to the sound of rain on my roof, almost feel the need for a nap. Sound is definitely a consideration with a metal roof, especially in O.P's circumstance. We've got 10"+ of insulation in the attic with 3/4" plywood over the ceiling joists for a floor in addition to the plywood under the metal. Anything more than a moderate rain is audible in the living space, and like I said above, even small hail is very loud. Another thing to consider is being in PA is snow and ice handling, but your installer should know about that. Whoever installed mine didn't (already here when I bought it) and had to replace several sections of gutter when we had a large for us snow of 18" slide off and take the gutter with it. Had to have "knives" installed to break up snow and ice as it slides down. |
| We have a steel Standing Seam Steel Roof, there is a layer of foam over the single layer of shingles. It's not really loud. Of course there is a insulated space between the roof and living areas. I think it's not loud enough when it's raining, I love the sound of rain on a steel roof. |
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I'm getting ready to do a standing seam roof. The guy said that they can install up to 3" of foam board under the metal for insulation. That may help with the noise as well. I have an insulated attic, so my application is a little different. |
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Should not be an issue unless you live in a trailer. Quoted:
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Put it over the shingles and let them be the sound deadener . |
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Metal roof on my house.
Not very noisy in a hard rain. Barely any different than a shingle roof. I can hear it when it hails. Longevity and fire resistance are the 2 main pluses. My roof is at least 10 years old, and could be as much as 30. It gives no sign that it's that old. |
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles. I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. |
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Metal roofs are loud as shit in the rain. Not correct. My house has a metal roof, and it is not much louder than shingles...its all in the roof design itself. By the time you add roofing material, insulation, etc, metal roofs really don't make that much more noise. |
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Pole barn steel on a house is a bad idea. |
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True.. but many around here do it. The screws they fasten it with will eventually leak after the rubber washers degrade. This is a good reason to put it down on a shingle roof as the shingles will help seal around the screws. The biggest issue I've seen isn't with the washers degrading, but lazy installers not screwing the fasteners directly into the ceiling joists....they almost certainly will eventually start "backing out" if screwed just into the plywood/OSB, but seem to stay put (and not leak) if they hit the joists. |
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just furring strips over the shingles to get a flat surface to screw the metal roof too. this is a solution that I had not considered. it is quiet during hailstorms, and the attic is much cooler than just the shingles. |
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Would this not require some sort of additional support of the roof ?? Just had a metal roof installed on my house. Ripped off all the old shingles and tar paper. think about it; you can walk across the roof, right? |
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Interestingly enough, I lived (for a few months) in the house that was supposedly the inspiration for that song... |
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Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. Quoted:
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles. I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. I am hiring someone... I'm sure they will use the correct grade of metal. |
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why is that? I am hiring someone... I'm sure they will use the correct grade of metal. People around here get 25 to 30 years out of pole barn metal. The metal usually gets too many oil cans from hail before the sealing washers give out. Must depend on the climate and if the installer is a fucking retard and has no clutch on his screw drill 
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why is that? I am hiring someone... I'm sure they will use the correct grade of metal. Quoted:
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles. I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. I am hiring someone... I'm sure they will use the correct grade of metal. It looks funny, but barns are supposed to be low maintenance, not look like a magazine cover. |
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Anybody that would put a excellent product like standing seam or snap-loc metal roofing over shingles is a fucking lazy asshole.
At about $6 per sq ft, if your not willing to spend .50 per sq ft to tear off the old roof, renail the roof sheathing and install a quality underlayment, than just go over the shingles with another layer of shingles and save yourself $3 a sq ft. Why would you ruin an expensive product to save .50? And anyone who would put a metal roof with exposed washered fasteners over a living space doesn't know what they're doing, especially over shingles. Rant off - going to bed. |
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I am seriously thinking of re-roofing my house with barn steel (exposed screws). I have 2 pole sheds, one roof is nailed, the other screwed. I've had a few nails work out, causing leaks. No problem with the roof that is screwed. The building with screws is 5 years old. I really think there the exposed screws, properly installed, would be OK long-term.
For house installs; the roofers around here generally put 2x4's, deck-screwed to the rafters, down for a solid base to put the screws into, over 30# felt or Ice + Water membrane. Standing seam (no exposed screws) is more expensive and also much more labor intensive to install, so more $$ for labor if paying someone to do it. Edit: and I would definitely strip off all the old stuff first. |
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why is that? I am hiring someone... I'm sure they will use the correct grade of metal. Quoted:
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles. I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. I am hiring someone... I'm sure they will use the correct grade of metal. The steel moves with the heating and cooling which can cause the gasket to leak. The accessory parts are often not designed to seal off a roof the same way proper standing seam steel roofing seals off a house. This can let birds, bees, bats, wasps etc. in. Here in Michigan I see it in the vast majority of polebarns I go into. There are minor drips or signs of leaks in them. The bad part is that in a house, you may not see the leak until there is extensive damage in your attic. Mold, rot etc. |
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Would this not require some sort of additional support of the roof ?? Just had a metal roof installed on my house. Ripped off all the old shingles and tar paper. Quoted:
Quoted:
Put it over the shingles and let them be the sound deadener . |
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It is not designed for houses. You have potentially 1000's of exposed fasteners that can leak. I see it all the time where the installer has put them on the flats...you know where all the rain and snow washes right over them. The steel moves with the heating and cooling which can cause the gasket to leak. The accessory parts are often not designed to seal off a roof the same way proper standing seam steel roofing seals off a house. This can let birds, bees, bats, wasps etc. in. Here in Michigan I see it in the vast majority of polebarns I go into. There are minor drips or signs of leaks in them. The bad part is that in a house, you may not see the leak until there is extensive damage in your attic. Mold, rot etc. Quoted:
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I'm about due for a new roof. My current roof is about 18 years old and was roofed with 3 tab, 20 year warranty shingles. I have a metal roof on my pole barn and thought it would be nice to match the house roof to it. Here's my dilemma.... My home is a Cape Cod style, meaning where the attic would be, there are bedrooms. There is some insulation between the ceilings and the boards that are nailed to the roof trusses, but I don't know how thick it is... I'm assuming its old and possibly crappy.. so I'm thinking its sound dampening ability might not be what it was. Currently during a hard rain I can hear it hitting the roof. Will putting a metal roof onto my home be a bad idea, due to noise? Are you doing a standing seam roof or pole barn steel? Pole barn steel on a house is a bad idea. I am hiring someone... I'm sure they will use the correct grade of metal. The steel moves with the heating and cooling which can cause the gasket to leak. The accessory parts are often not designed to seal off a roof the same way proper standing seam steel roofing seals off a house. This can let birds, bees, bats, wasps etc. in. Here in Michigan I see it in the vast majority of polebarns I go into. There are minor drips or signs of leaks in them. The bad part is that in a house, you may not see the leak until there is extensive damage in your attic. Mold, rot etc. Thanks for the further clarification. |
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Anybody that would put a excellent product like standing seam or snap-loc metal roofing over shingles is a fucking lazy asshole. At about $6 per sq ft, if your not willing to spend .50 per sq ft to tear off the old roof, renail the roof sheathing and install a quality underlayment, than just go over the shingles with another layer of shingles and save yourself $3 a sq ft. Why would you ruin an expensive product to save .50? And anyone who would put a metal roof with exposed washered fasteners over a living space doesn't know what they're doing, especially over shingles. Rant off - going to bed. |
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I had a metal roof installed on my 2500 SF home this year. It was only 15K and has a lifetime warranty. Shingle roofs were as much or more.
I left the shingles on and the contractor installed a water proof "ice and water" peel and stick membrane down under the metal, then installed the metal over that. It rains very hard in Mobile Al and we get more annual than almost any other city in the US. You can't hear the rain any more than you could with shingles and honestly it seems more quiet during rain unless a tree branch falls on it. It also seems to be saving on my utility bill but I haven't had it long enough to have verified this. |