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  1. begreen Super Moderator

    joined: Nov 18, 2005
    36,133 posts
    South Puget Sound, WA
    What makes sense to me is a silver roof- galvanized steel. It reflects the radiation.

    That and I don't want to touch it again in my lifetime.
    #26

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  2. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    thanx for a new angle! sense= if wood cools thru roof radiation loss enough, it may result in morning-after condensation on the pile. game is to promote drying,eh?
  3. Battenkiller Minister of Fire

    Some guy named "Pook" on another forum was making the same claim. Not true. Both black and white painted surfaces give off about the same amount of radiant heat. You are confusing the absorption of visible light from the sun by a black surface with infrared light radiated from a warm surface... a common mistake.

    Black colored surfaces are black because they don't reflect any light, so the high-energy rays of visible light from the sun are absorbed by the black material. Like all energy, the energy from the sun's rays is conserved and this raises the temperature. White colored objects reflect almost all of the sunlight that hits them, so they are not heated up nearly as much. A black roof will definitely get hotter in the sun, but once the sun goes down, it will not radiate IR heat any better than a white roof. However, this is only true for visible light, not IR light. If you really want to cut down the IR reflected off the surface, you need to either have an extremely polished metal surface (pure silver is one of the best) or purchase a special low-emissivity paint.
  4. bogydave Minister of Fire

    joined: Dec 4, 2009
    7,788 posts
    So Cent ALASKA
    Makes mine look small.
    Looks great & strong
    Started mine yesterday
  5. Delta-T Minister of Fire

    joined: Feb 27, 2008
    2,641 posts
    NH
    I don't think anyone is "worrying" about what color their woodshed roof should be. Just analyzing the minutia, and relatively unimportant corners of shed design. Wasn't trying to stress anyone out. I'm actually partial to orange roofs for no reason other than its bright and lively.
  6. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    huh, wonder why the heat dispersing grid on the back of my old fridge is painted black?
  7. fossil Super Moderator

    joined: Sep 30, 2007
    9,159 posts
    Bend, Oregon
    Yeah, TempDiff, maybe "worrying" was the wrong word...but then, in some contexts, it can be a synonym for "sweating" (as in sweating the small stuff). Actually, I'm a Mechanical Engineer and a huge fan of Physics, but I think that there are times and situations which are so simple that over-analyzing seems to me to be just a waste of time. A simple wood shed is one example. Anyway, my comments above were really in response to Blimp, not to you...perhaps I should have made that more clear. I really like orange, too, and if the wife would've allowed it, I might just have an orange roof on my shed right now. :p Rick
  8. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    orange has my Blimpessings whereas its lighter than black, but lemon would be better. Still i dont dare paint my BLACK HEAT DISPERSING GRID MOUNTED ON THE BACK OF MY OLD FRIDGE.
  9. Battenkiller Minister of Fire

    :lol:

    That's really why mine's Galvalume rather than orange. I thought the orange would go well with the blue house, kinda like orange stitching on a pair of Levi's. :roll:
  10. Spikem Member

    joined: Nov 2, 2008
    242 posts
    Middleboro, MA, USA
    I was going to ask about that also.

    Instead of the back of the shed, the way you have it, what if you used lattice and used that as a "guide" of where the wood goes? Would that work? (I'm ASKING, not suggesting, as I've thought about doing that but don't know if it's workable.)
  11. oldspark Minister of Fire

    joined: Feb 16, 2010
    5,113 posts
    North West Iowa
    I like to dry my wood out in the open with all the wind and sun possible and then put it in a tighter building for the winter but it is extra stacking but you do have great wood that is dry and can stay there for a long time with out bother, and yes this is after it is at 20% moisture or less. I do like the wood sheds with the ventilation for drying but the winter we had last year would have filled it with snow.
  12. Backwoods Savage Minister of Fire

    joined: Feb 14, 2007
    24,194 posts
    Michigan
    Now that's a nice woodshed to hold that much wood. Another year and folks will quit jabbing me about all the wood I have on hand and will start on you. lol But it is all in fun so remember that when the time comes.
  13. Blevesque Member

    joined: Oct 17, 2008
    149 posts
    Maine
    Didn't get any work done on it this weekend. Rain on Saturday and camp and a few beers yesterday. I should get it sided this week and I just need to figure out what I'm going to do with the roof. Then I need to get to cutting some wood! I want to have 24 cords on hand. 16 in the shed and 8 in the basement. Wood will be delivered in the winter/early spring, I'll take 8 cords from the shed and bring that to the basement the cut split new wood and replace the woodshed wood. Then the next year the opposite side of the shed. Brian
  14. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    in the midst of many irrelevant posts, i repeat= the heat dispersing grid mounted on the back of my fridge is painted black because black radiates the heat best as so were stoves before hot/efficient burn engineering came into play. a white or lighter roof will not radiate heat as well & the mass within the shed wont cool as much overnight. a cooler mass in the shed will collect more of the morning dew. a white asphalt roof will last longer because it wont get as hot as a black roof & evaporate the asphalt as much.
  15. Delta-T Minister of Fire

    joined: Feb 27, 2008
    2,641 posts
    NH
    might not be black paint at all. might be a high thermo-conductive material that just happens to be black?
  16. LLigetfa Minister of Fire

    joined: Nov 9, 2008
    7,310 posts
    NW Ontario
    The underside of my car is black. Maybe black was chosen for marketing reasons. Picture a market research focus group... "OK, which colour do you prefer, black or pink?"

    It's like tire treads on push mowers... Cripes, they are pushed and don't need the traction. The old Lawnboys had bald tires and didn't pick up strips of grass. Again, market research focus groups.
  17. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    Cripes, u forgot about mowing up, down, or across hills! mower gets pushed from the raised handle which results in some force down into the ground & other vectors. the treads help to stabilize the latteral movement of the mower as they get better traction. again the reasoning wanders & why?
  18. firefighterjake Minister of Fire

    joined: Jul 22, 2008
    13,477 posts
    Unity/Bangor, Maine
    I was wondering about this as well . . . hopefully in this case you will get some shrinkage to allow some air flow. I purposefully built in gaps . . . but then again I was using a mix of old (definitely well seasoned) boards and new boards.
  19. firefighterjake Minister of Fire

    joined: Jul 22, 2008
    13,477 posts
    Unity/Bangor, Maine
    Same here . . . wood that goes into the shed is ready to burn . . . or pretty darn close . . . but I like the idea that it will continue to season after I've "put it to bed" and have it all tucked in under cover.
  20. firefighterjake Minister of Fire

    joined: Jul 22, 2008
    13,477 posts
    Unity/Bangor, Maine
    Agreed . . . anyone who thinks that the color of their roof will make a serious change in the moisture content of their wood probably would believe that adding a Magic Heat to their woodshed will also lead to the wood producing 2x as much BTUs in their woodstove. ;)

    Me . . . I don't worry about colors . . . hell . . . my roof is brown and light-gray . . . since I used some old and new shingles . . . it's a woodshed in my opinion . . . a place to store my already seasoned wood and keep it out of the elements so I don't have to brush snow or ice off it or stand in middle of a snowstorm digging out wood . . . what my woodshed is not is a high-tech example of modern engineering . . . it's simply a place to keep my wood . . . well wood and mice . . . and an occasional plastic chair. ;)
  21. firefighterjake Minister of Fire

    joined: Jul 22, 2008
    13,477 posts
    Unity/Bangor, Maine
    I can't speak to the snow in Iowa, but we do tend to get some snow up this way . . . and it does tend to drift with the winds, but it wasn't much of an issue last year even with the "ventilation" slots in my shed . . . most of the snow blows up against the shed wall and stays there with little penetration into the shed or the stacks.
  22. firefighterjake Minister of Fire

    joined: Jul 22, 2008
    13,477 posts
    Unity/Bangor, Maine
    Oh that was you flying overhead the other day . . . and here I thought it was the National Guard looking for my medicinal marijuana fields . . . sorry about taking those pot shots at you. ;) :)

    For the record . . . I do not grow marijuana . . . medicinal or otherwise . . . and I did not take potshots at the National Guard or BRL. ;) :)
  23. Blevesque Member

    joined: Oct 17, 2008
    149 posts
    Maine
    So that wasn't your field I was in? No wonder some guy was shooting at me! :lol:
  24. vvvv New Member

    joined: Feb 23, 2010
    1,449 posts
    MAINE
    thus the diversion persists & avoids a scientific analysis of the situation so lemme put 2 nails into this coffin=
    1-white roof lasts longer than white roof [asphalt +] paint the roof with latex @ proper schedules & it'll last forever
    2- the MH aint gonna work much in a modern perfectly installed stove but if not perfectly installed the MH will automatically keep the stove from overfiring & results therefrom
    kids here are not adressing the facts but deferring to subjective opines instead=detention! & write on the board 100x "i will pay attention to the facts"

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