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05-18-2021, 01:22 PM
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#1
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Junior Member
Join Date: Oct 2019
Posts: 3
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Should these screw heads be sealed?
Hi All,
General maintenance question here. I am checking all of my seals and applying lap sealant and Dicor as needed. None of the screws holding on my gutters are covered with any kind of sealant. Should they be? Is it necessary or is there a reason why they shouldn't be sealed? Thanks for your thoughts.
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05-18-2021, 01:34 PM
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#2
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Senior Member
Join Date: Jul 2017
Location: North of Seattle, WA
Posts: 17,362
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Gutters are usually seated in a butyl tape that seals the screws themselves. I've never had the need to seal the heads too.
__________________
"A wise man can change his mind. A fool never will." (Japanese Proverb)
"You only grow old when you run out of new things to do"
2018 Flagstaff Micro Lite 25BDS
2023 f-150 SCREW XLT 3.5 Ecoboost (The result of a $68,000 oil change  )
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05-18-2021, 02:06 PM
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#3
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Pickin', Campin', Mason
Join Date: Aug 2015
Location: South Western PA
Posts: 19,149
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Quote:
Originally Posted by TitanMike
Gutters are usually seated in a butyl tape that seals the screws themselves. I've never had the need to seal the heads too.
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X2
__________________
2022 Cedar Creek 345IK 5th Wheel•Solar & Inverter•2024 Ford F-Series SCREW•7.3L•4x4•Factory Puck•B&W Companion•TST Tire Monitor w/Repeater•Sinemate 3500w Gen.
F&AM Lodge 358 Somerset, PA - JAFFA Shrine - Altoona, PA
Days Camped ☼ '19=118 ☼ '20=116 ☼ '21=123 ☼ '22=134 ☼ '23=118☼ '24=90
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05-18-2021, 02:31 PM
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#4
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Just as confused as you
Join Date: Aug 2013
Location: south central Wisconsin
Posts: 5,108
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Usually there is a vinyl strip which covers the screw heads the full length of the gutters. I'll bet you have the same type of strip on the front and rear vertical seams, around the door and the storage doors accessible from outside.
__________________
Richard & Jill
2014 Flagstaff 832IKBS Classic Super Lite
2018 Silverado 1500 Crew Cab Z71 4WD All Star Edition
Camping since 1989, Seasonal since 2000.
Car Shredder Op/Tech, Scrap Metal Recycling - retired
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05-19-2021, 12:47 PM
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#5
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Senior Member
Join Date: Mar 2019
Location: Family room couch
Posts: 4,568
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There's no reason not to add sealant. I had some unsealed screws on mine just corrode in half when I went to assure they were tight. As I looked closer I saw several screws that were not straight in so there was a gap behind part of the head for water to collect. I glopped stuff all over all of them.
Ray
__________________
2020 Georgetown GT5 34H5
2020 Equinox Premier AWD 2.0L/9-speed
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05-19-2021, 02:13 PM
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#6
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Senior Member
Join Date: Jan 2018
Location: Raleigh, NC
Posts: 9,621
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Quote:
Originally Posted by TitanMike
Gutters are usually seated in a butyl tape that seals the screws themselves. I've never had the need to seal the heads too.
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That's on the back side. Putting the vinyl insert on the front side to keep water off the screw heads is a prudent thing to do.
FWIW, when I took the roof off the 2002, it had the vinyl insert I took out most of the gutter screws. The only ones that were rusted were the ones that had water intrusion from the d**n awning brackets.
DW wants the awning back on. It's not going on until I can figure out how to make a waterproof mount.
__________________
Larry
"Everybody's RV is not like your RV."
"Always take pictures with the button on the right."
"Always bypass the water heater before opening the low-point drains."
Sticks and Bricks: Raleigh, NC
2008 Cherokee 38P: at Ivor, VA permanently
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05-20-2021, 08:03 PM
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#7
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Senior Member
Join Date: Nov 2010
Location: Roanoke, VA
Posts: 537
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Sealant on the threads
Quote:
Originally Posted by Larry-NC
That's on the back side. Putting the vinyl insert on the front side to keep water off the screw heads is a prudent thing to do.
FWIW, when I took the roof off the 2002, it had the vinyl insert I took out most of the gutter screws. The only ones that were rusted were the ones that had water intrusion from the d**n awning brackets.
DW wants the awning back on. It's not going on until I can figure out how to make a waterproof mount.
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I've found that putting a bit of sealant on the threads keeps the water out. That way the hole seals around the screw and some squeezes out to seal the screw head as well.
Just a thought
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05-20-2021, 08:17 PM
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#8
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Senior Member
Join Date: Jan 2018
Location: Raleigh, NC
Posts: 9,621
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Hmm...
Quote:
Originally Posted by vasnipe
I've found that putting a bit of sealant on the threads keeps the water out. That way the hole seals around the screw and some squeezes out to seal the screw head as well.
Just a thought
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I suppose that wouldn't hurt on the hex-washer head screws that hold the rain gutter on. But they go right through the butyl tape and pick up plenty of sealant.
I am talking about the cast brackets in the shape of a bridge which spans the rain gutter. Two 1/4" lag screws go right through the track in the rain gutter that accepts the vinyl insert. The bracket crushes the grooves that are supposed to accept the vinyl insert, so the assemblers can't insert it there--it's loose across the front. The base of the bracket doesn't sit flat on anything, so you can't use a gasket or vinyl tape there. It's just asking for trouble.
__________________
Larry
"Everybody's RV is not like your RV."
"Always take pictures with the button on the right."
"Always bypass the water heater before opening the low-point drains."
Sticks and Bricks: Raleigh, NC
2008 Cherokee 38P: at Ivor, VA permanently
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05-20-2021, 08:46 PM
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#9
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Senior Member
Join Date: Jul 2017
Location: North of Seattle, WA
Posts: 17,362
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Quote:
Originally Posted by Larry-NC
I suppose that wouldn't hurt on the hex-washer head screws that hold the rain gutter on. But they go right through the butyl tape and pick up plenty of sealant.
I am talking about the cast brackets in the shape of a bridge which spans the rain gutter. Two 1/4" lag screws go right through the track in the rain gutter that accepts the vinyl insert. The bracket crushes the grooves that are supposed to accept the vinyl insert, so the assemblers can't insert it there--it's loose across the front. The base of the bracket doesn't sit flat on anything, so you can't use a gasket or vinyl tape there. It's just asking for trouble.
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On my old trailer the awning was installed after the vinyl trim was installed.
New trailer doesn't have the bracket you described. Power awning and arm brackets attached to vertical channel on side with awning attached to anchor rail just below gutter.
Less places to leak.
__________________
"A wise man can change his mind. A fool never will." (Japanese Proverb)
"You only grow old when you run out of new things to do"
2018 Flagstaff Micro Lite 25BDS
2023 f-150 SCREW XLT 3.5 Ecoboost (The result of a $68,000 oil change )
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05-20-2021, 09:09 PM
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#10
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Senior Member
Join Date: Jan 2018
Location: Raleigh, NC
Posts: 9,621
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Interesting...
Quote:
Originally Posted by TitanMike
On my old trailer the awning was installed after the vinyl trim was installed.
New trailer doesn't have the bracket you described. Power awning and arm brackets attached to vertical channel on side with awning attached to anchor rail just below gutter.
Less places to leak.
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Interesting but expensive retrofit for us.
__________________
Larry
"Everybody's RV is not like your RV."
"Always take pictures with the button on the right."
"Always bypass the water heater before opening the low-point drains."
Sticks and Bricks: Raleigh, NC
2008 Cherokee 38P: at Ivor, VA permanently
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