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I was up on my roof the other day, straightening out some of the severely bent legs on my tv antennae. (Got it outta da trash, of course, LOL Also, it’s been hit by a couple small branches falling from the trees here.)
I noticed something that I have seen on other roofs before. Blackish spots on the roofing that looked like the aggregate has been literaly picked off the body of the roofing.
I took a broom up with me intending to sweep the roof off when I was finished with the antennae, and when I got to sweeping, I discovered what I think explains the black spots.
Seems small bunches of leaves, dirt, twigs, moss, etc get stuck to a spot on the roofing. They sit there, holding water. The water freezes and works it’s way under/into the aggregate of the roofing. Just like mini ice dams. The result is aggregate that gets lifted right out of the roofing, leaving a spot that is a bit more prone to leakage in the future.
Am I all wet on this ?
Different subject : It started snowing very heavily yesterday afternoon. It’s been snowing ever since. Heavy. Apparently the snow has stopped, and/or turned to rain in the flatlands, (Seattle), but here it’s still heavy snowing. Several small branches, and one good sized one have already come down on my roof. I am also aware that this is the first real test of the snow weight capabilities of my pallet board roof.
Oh, did I mention that it’s heavily snowing very heavy snow ?
Replies
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I was up on my roof the other day, straightening out some of the severely bent legs on my tv antennae. (Got it outta da trash, of course, LOL Also, it's been hit by a couple small branches falling from the trees here.)
I noticed something that I have seen on other roofs before. Blackish spots on the roofing that looked like the aggregate has been literaly picked off the body of the roofing.
I took a broom up with me intending to sweep the roof off when I was finished with the antennae, and when I got to sweeping, I discovered what I think explains the black spots.
Seems small bunches of leaves, dirt, twigs, moss, etc get stuck to a spot on the roofing. They sit there, holding water. The water freezes and works it's way under/into the aggregate of the roofing. Just like mini ice dams. The result is aggregate that gets lifted right out of the roofing, leaving a spot that is a bit more prone to leakage in the future.
Am I all wet on this ?
Different subject : It started snowing very heavily yesterday afternoon. It's been snowing ever since. Heavy. Apparently the snow has stopped, and/or turned to rain in the flatlands, (Seattle), but here it's still heavy snowing. Several small branches, and one good sized one have already come down on my roof. I am also aware that this is the first real test of the snow weight capabilities of my pallet board roof.
Oh, did I mention that it's heavily snowing very heavy snow ?