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perfect for stuff like that you know I think there's kind of an old school mentality that if you build a roof right and Flash everything properly you're good right you don't need any sealant and the exact opposite of that is you're gonna get five gallons of water through the the hole that you punch right but the truth of the matter is water does go uphill right it can be wind driven rain it can be ice dams you know that you're getting it's it's taking water up and and it does occasionally get under the shingles so we would always recommend concealing that when whenever you're poking a hole through the roof and this is perfect uh you know a lot of times folks will use kind of those nasty tar you know asphalt based sealants to to plug those up and if it's under a shingle it's not so bad but but those really don't stand up well to UV right through the roof comes in a clear black and white and it's it's built to last in that application it can it can take a beating from the Sun you know like everything in sashko it's built to move right to expand and contract because a roof is getting really hot especially under a shingle right I mean it might be 160 degrees under there yeah and it's it's fine for that so for some reason you know you couldn't underneath the shingle you had to you know drill a hole or there was somebody else drilled a hole and you're trying to fix it this can go right over the top of the shingle and it doesn't have to be underneath the shingle it can be exposed to water sun and it's going to last yeah it's gonna have pretty phenomenal adhesion to most Roofing substrates right so so on top of the shingle you know let's say you're doing a ridge cap right it can it can go there underneath the shingles no big deal the the spot I tell people to be careful of is more on you know commercial applications but if you've got like a TPO or an apdm roof those are rubber right through the roof is also a