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Ice Dam............................................


Lawdwaz
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Sprung a leak Sunday morning by the dogs water bowl, so I just blamed it on him and mopped it up.

Later in the day I realized his mess was growing so up to the roof-top I went where I found a pond of water 5ft up from the roof edge under 3ft of snow.

It's been kept relatively clean all year (4x's) but this last build up, thaw, and re-freeze did a real number on it.

I got enough of the dam chipped away to create a beautiful waterfall that cascaded down the porch stairs. Then the sun got me melted right down to the shingles but never put a dent in the dam or the iced over stair case...., damn dam,lol!

 

Last night we froze deep again and got another blanket of snow and I have a new glacier of icicle snot hanging form the channel I picked clean today.

Let "March Madness" begin! :negative:

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My wife had been asking me for a week or so now to do the salt in the panty hose up in the gutters i think i might have to try that out tomorrow

 

Hey..., whatever it takes to get her out of those panty hose,lol

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My wife had been asking me for a week or so now to do the salt in the panty hose up in the gutters i think i might have to try that out tomorrow

 

Wait, we still talking Ice dams, right? :-) Sorry it's getting late....

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In the 14 years that we have been together i think I've seen her in panty hose maybe twice if i seen her with some on i would be wondering what have i done right or who's the other guy that i don't know about lol

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The best part of putting a metal roof on is the fact that it is raised above the existing shingle roof. It eliminates some of the sins of poor insulation and poor ventilation. It creates a cold line any that helps minimize the melt off from heat loss. Just put a stone coated metal shingle roof on a friends house this summer. Not one icicle

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being in the contracting business I see lots of roof issues. i agree with wildcat with the complete roof coverage with ice and water shield and have been doing complete coverage with the ice and water shield for years and have never had a water issue on a roof I have done.

 

if you go with a metal roof its best to strip the shingles and cover with ice and water shield,  myself I fir strip from eave to peak on each rafter then do the perlins that way if you get any water under the metal it has no restrictions to get down to the eaves.  metal  sweats ALOT, you can also double bubble under the metal to help with the sweating.

 

The issue with ice damming is caused by heat loss into the attic or rafter bays in a cathedral style ceiling/roof.  attics should be just as cold inside as the outside temps, this is done via vented soffits, ridge vents, and gable vents,  its best to have more venting than you think you need.  check the insulation, older homes rarely had adequate insulation values, more can be added or do blown in.

 

check to see that your vented soffits are not blocked from insulation, or if you have a minimal amount of vents in the soffit which is also common in older homes you should cut in more vents. masonite or solid 1x soffits with grills or spaced 1x's with wire in the gap are common old home construction methods.

 

cathedral ceilings should be baffled from the eave all the way to the peak,  again older construction codes or lack there of had builders doing smaller rafter sizes lots of older homes have 2x6 or 2x8 rafters,  what that equates to is r19/21 insulation, that is ok on walls but not near enough on ceilings. 

 

I guess what I am saying is if your having serious ice damming issues try to address the issues that are causing the problem.

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No tin roof....didn't even know you could do tin underlay.....figured tin roof with no gutters best option

 

 

No gutters?

 

Since when is that a good idea?

 

 

Sence all they do is hold ice and stop mud from getting on house...i live on hill no problem with drainage what so ever

  

 

I tried that. I have too much sand in the soil. I started getting small sink holes & had to do gutters before I ended up W/foundation issues.

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I was getting pretty worried about the ice dams around my house yesterday. There's ~8" of ice piled up above my gutters! Never had it this bad before! Thought I'd get proactive and do something, before I started having problems with leaking inside. I filled some stockings with calcium chloride yesterday and laid across the roof and gutters. I was pretty satisfied with how well and quickly it worked. A few hours after putting them up there, we could hear chunks of ice falling off! 

 

Hopefully it'll give the water a nice channel to run down now. Also, it softened up the ice on each side of the channel, so that I could easily widen it with a few "soft whacks" with a hatchet.

 

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Law,   while the horses may be outa the barn hopefully people will address their issues, hopefully I provided a few helpful hints for folks if or when they address their issues.  I do hope things start to break weather wise for folks that are having problems.

 

 

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