RVTech, Dicor question for you...
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Cargo Master
Joined: Jun 2008
Posts: 2,753
Likes: 5
From: Stillwater, OK
RVTech, Dicor question for you...
I'm getting around to replacing my skylight with a flat sheet of lexan.
What do you use to remove the old dicor sealant? I have the old skylight off, and found that the sheet I bought is about an inch too short... might have to make due, but I'd like to remove all of the old goop so I can put new goop under and over this sheet.
What do you use to remove the old dicor sealant? I have the old skylight off, and found that the sheet I bought is about an inch too short... might have to make due, but I'd like to remove all of the old goop so I can put new goop under and over this sheet.
Posting Guru
Joined: Jun 2004
Posts: 2,433
Likes: 1
From: Apex, N.C.
I'm getting around to replacing my skylight with a flat sheet of lexan.
What do you use to remove the old dicor sealant? I have the old skylight off, and found that the sheet I bought is about an inch too short... might have to make due, but I'd like to remove all of the old goop so I can put new goop under and over this sheet.
What do you use to remove the old dicor sealant? I have the old skylight off, and found that the sheet I bought is about an inch too short... might have to make due, but I'd like to remove all of the old goop so I can put new goop under and over this sheet.
I used a plastic scraper, screwdriver, and a pair of pliers. Just get it off the best you can being careful not to damage the membrane. I am no longer using the dicor to repair cracked/dried out dicor. As I need to I am replacing it with EternaBond roof tape. I bought a 6"x100" roll for about $140.00 shipped about 2yrs. ago. Once you put this on you will never have to worry about seams or roof penetrations again. I just got tired of messing with the Dicor every year or two. Here is where I got mine if you are interested.
OneStep RV Roof Tape : Big Rock Supply, Quality Roofing Tools
Hotshot
Joined: Jan 2010
Posts: 10,060
Likes: 491
From: Bristol, TN.
With most Dicor removal, I have an Old Timer knife with a wide blade. I use it to carefully lift the edge and then usually roll it back with the edge of my thumb. I have never found a fast way to do it and sometimes the edge of my thumb really gets sore. I have never had much luck with plastic scrapers, but if they work for someone, I would never put it down.
If the existing Dicor is well stuck down and you can do a neat job, there is really no reason to remove all of it, but a new layer of Dicor leaves a much neater job when the temperature is warm. For example, When I reseal vents, I go over the existing Dicor since the most common problem with Dicor is it dries out and cracks over time.
Good luck,
Steve
If the existing Dicor is well stuck down and you can do a neat job, there is really no reason to remove all of it, but a new layer of Dicor leaves a much neater job when the temperature is warm. For example, When I reseal vents, I go over the existing Dicor since the most common problem with Dicor is it dries out and cracks over time.
Good luck,
Steve
Thread Starter
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Cargo Master
Joined: Jun 2008
Posts: 2,753
Likes: 5
From: Stillwater, OK
I've got a 3" scraper that I'm trying to use.
I have most of it off, and since there is no threat of rain soon, I'm not currently pressed for time.
One problem I'm having is that the membrane is flexing more than the dicor is peeling up. My thumbs are killing me today, and there is what appears to be plumbers putty that was underneath the skylight flange.
My plan, is to remove as much of the old stuff as possible, run a new bead around the edge of the Lexan, and place the glass, then screw it down. I am going to fill any holes that don't get covered with dicor.
Doing my best to make it look like this was original, but if I can't remove all of the old dicor, it's going to look a little off.
I have most of it off, and since there is no threat of rain soon, I'm not currently pressed for time.
One problem I'm having is that the membrane is flexing more than the dicor is peeling up. My thumbs are killing me today, and there is what appears to be plumbers putty that was underneath the skylight flange.
My plan, is to remove as much of the old stuff as possible, run a new bead around the edge of the Lexan, and place the glass, then screw it down. I am going to fill any holes that don't get covered with dicor.
Doing my best to make it look like this was original, but if I can't remove all of the old dicor, it's going to look a little off.
Hotshot
Joined: Jan 2010
Posts: 10,060
Likes: 491
From: Bristol, TN.
I've got a 3" scraper that I'm trying to use.
I have most of it off, and since there is no threat of rain soon, I'm not currently pressed for time.
One problem I'm having is that the membrane is flexing more than the dicor is peeling up. My thumbs are killing me today, and there is what appears to be plumbers putty that was underneath the skylight flange.
My plan, is to remove as much of the old stuff as possible, run a new bead around the edge of the Lexan, and place the glass, then screw it down. I am going to fill any holes that don't get covered with dicor.
Doing my best to make it look like this was original, but if I can't remove all of the old dicor, it's going to look a little off.
I have most of it off, and since there is no threat of rain soon, I'm not currently pressed for time.
One problem I'm having is that the membrane is flexing more than the dicor is peeling up. My thumbs are killing me today, and there is what appears to be plumbers putty that was underneath the skylight flange.
My plan, is to remove as much of the old stuff as possible, run a new bead around the edge of the Lexan, and place the glass, then screw it down. I am going to fill any holes that don't get covered with dicor.
Doing my best to make it look like this was original, but if I can't remove all of the old dicor, it's going to look a little off.
The material under the the skylight is called "tacky tape" or putty tape. It provides an additional seal under the glass. Dicor will work fine to cover any holes. And - Dicor, as you may have already discovered, is murder to get out of your clothes.
Good luck,
Steve
Thread Starter
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Cargo Master
Joined: Jun 2008
Posts: 2,753
Likes: 5
From: Stillwater, OK
actually, no, I hadn't found that out yet...but it makes sense.
good to know.
the scraper I'm using is stainless with an edge. I've already put one small hole in the membrane that will end up covered by the glass.
Will the old Dicor and putty help or hinder the new seal?
good to know.
the scraper I'm using is stainless with an edge. I've already put one small hole in the membrane that will end up covered by the glass.
Will the old Dicor and putty help or hinder the new seal?
Hotshot
Joined: Jan 2010
Posts: 10,060
Likes: 491
From: Bristol, TN.
actually, no, I hadn't found that out yet...but it makes sense.
good to know.
the scraper I'm using is stainless with an edge. I've already put one small hole in the membrane that will end up covered by the glass.
Will the old Dicor and putty help or hinder the new seal?
good to know.
the scraper I'm using is stainless with an edge. I've already put one small hole in the membrane that will end up covered by the glass.
Will the old Dicor and putty help or hinder the new seal?
Steve
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