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 > Roof Care and Maintenance suggestions. SEE Finally Update NEED HELP!

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edatlanta

Maplesville, AL Home Base

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Posted: 09/08/20 06:02am Link  |  Quote  |  Print  |  Notify Moderator

pcm1959 wrote:

Wow Chuck. You have one of the few shorter, quality trailers. Probably a keeper. DRV doesn't make anything that short any longer. Anyway, prior to getting my 2014 fiver roof done with RV Flex Armor, all I ever did to any of of my former RVs was Wet & Forget. Spray it on and leave it alone. No scrubbing. I'm done with any roof maintenance whatsoever now, however. Certainly a consideration on your rig.


If the rig is worth keeping, RV Flex Armor is the answer. I had mine done 5 years ago. Now all I do it forget about roof/caulking maintenance.


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Fulltime since 2010


Hoerschel

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Posted: 09/27/20 06:32pm Link  |  Quote  |  Print  |  Notify Moderator

I would concur with using the Henry's 887 TropiCool 100% silicone after sealing cracks and seams as needed with the Henry's 884 caulk-type 100% silicone tube sealant. After extensive conversations with Henry's customer service reps, I was informed that it is not normally necessary to remove old sealant or dicor. After thorough cleaning using TSP or Simple Green (will NOT leave residue like Dawn dish washing soap), apply the Henry 884 over cracks and gaps, let cure per label directions, and top-off with the thick liquid 887. I just did mine and very happy with results. Lots of work, but saved lots of money, too.

NJRVer

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Posted: 09/28/20 07:19pm Link  |  Quote  |  Print  |  Notify Moderator

Hoerschel wrote:

I would concur with using the Henry's 887 TropiCool 100% silicone after sealing cracks and seams as needed with the Henry's 884 caulk-type 100% silicone tube sealant. After extensive conversations with Henry's customer service reps, I was informed that it is not normally necessary to remove old sealant or dicor. After thorough cleaning using TSP or Simple Green (will NOT leave residue like Dawn dish washing soap), apply the Henry 884 over cracks and gaps, let cure per label directions, and top-off with the thick liquid 887. I just did mine and very happy with results. Lots of work, but saved lots of money, too.



I just finished my TT roof this weekend.
I cleaned out all the old Dicor where my roof gutters run and then re-sealed that with the 884 caulk.

I used TSP and a scrub brush on my hands and knees to clean the roof ahead of time. Came out very clean when done. Then first coat of Henry 887 right over the old Dicor that was around all the roof flashings for the vents, A/C, refrig vent.

I am really impressed with the Henry. Did a great job of covering and sealing everything. I did two coats. Nothing is getting past that stuff.
One thing I learned on the first coat: I went about it like you would paint a room. Did all my brush "cutting in" first them went to roll and by then the brush work was starting to dry a little. When it got hit with the roller it kind of skinned where the brush work was done.

Second coat I "cut in" with the brush in stages and then immediately rolled the area. Did the roof in sections that way and no problem.

Bought a 5 gal bucket at Depot and I only used 1/2 of that for two coats on a 25' roof. It seems really thick when you go to roll it. You would think it isn't going to go far at all, but it really spreads. Looks like I will coat the roof of my cargo trailer now since I have the extra.

The stuff is weird. I noticed immediately that morning dew does not dry off of the roof as soon as the sun hits it like the un coated roof and it literally does feel "cool" to the touch vs an uncoated roof.
I ordered a new cap for my refrigerator roof vent since the old one looks like it is about to dry rot. Really looks bad against that bright white roof now. Of course "back order". I will take a picture after I put the new roof vent on when I get it.

Chuck ..

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Posted: 10/05/20 02:53pm Link  |  Quote  |  Print  |  Notify Moderator

First I call Mobile Suit factory and ask once again about roof maintenance. DRV recommend calling Dicor the roof manufacture. Wanting for a response.

Just got off the phone with an RV retailer/repair shop in Salem, Oregon that has been here for 30 plus years. They said if you maintain a RV roof you should not have to do anything but clean it each year. Said this;if a roof starts to peel, the hole roof needs the peeling remove and completely re-coated. Doesn't sound like a fun job. Also, once this is done, you will have to re-coat the roof about ever 5 to 6 years.

At this time I do not know the best way to go. Need all the help I can get.

* This post was edited 10/05/20 06:57pm by Chuck .. *


Chuck

NJRVer

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Posted: 10/05/20 03:32pm Link  |  Quote  |  Print  |  Notify Moderator

Chuck .. wrote:

First I call Mobile Suit factory and ask once again about roof maintenance. DRV recommend calling Dicor the roof manufacture. Wanting for a response.

Just got the phone with an RV retailer/repair shop in Salem, Oregon that has been here for 30 plus years. They said if you maintain a RV roof you should not have to do anything but clean it each year. Said this;if a roof starts to peel, the hole roof needs the peeling remove and completely re-coated. Doesn't sound like a fun job. Also, once this is done, you will have to re-coat the roof about ever 5 to 6 years.

At this time I do not know the best way to go. Need all the help I can get.



How old is your roof?
How long do you plan on keeping it?

Chuck ..

Salem, Oregon

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Posted: 10/08/20 03:27pm Link  |  Quote  |  Print  |  Notify Moderator

Finally : Got in touch with the factory rep from Dicor Products. He told me that within the last couple of weeks several people have call in about questions using Henry's products. His company has a policy about bad mouthing other c companies. But; He said that Dicor Roofing System is a two stage process. First step process helps the coating to attach to the final/ second process coating. Rep said Dicor is good for approximately 6 years, Just got off the phone with the Henry's Rep. He said their roofing produce is good for approximately 15 to 20 years plus.

So is Henry's Roof coating better of is Dicor Roof Coating?

Hoerschel

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Posted: 10/08/20 04:26pm Link  |  Quote  |  Print  |  Notify Moderator

I think you just answered your own question.

Hoerschel

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Posted: 10/08/20 05:47pm Link  |  Quote  |  Print  |  Notify Moderator

NJRVer said: "Bought a 5 gal bucket at Depot and I only used 1/2 of that for two coats on a 25' roof. It seems really thick when you go to roll it. You would think it isn't going to go far at all, but it really spreads. Looks like I will coat the roof of my cargo trailer now since I have the extra."

NJRVer: An FYI for your consideration... According to Henry's, the appropriate rate of coverage is 1.5 gallons per 100 square feet. You sought to cover 250 sq ft (25' long by 10' wide). If you had 2.5 gallons left from a 5 gallon pail, your application may have been too conservative; i.e., it should have required at least 3.75 gallons +/- to meet their specifications for adequate coverage and protection. You can still add another coat, should you wish, to know you're within spec. Given the elapsed time you just need to wash your roof before hand. In my case, I have a 30' unit and marked the roof with tape in 3 - 100 sq ft sections to ensure I rolled it on evenly. One coat sufficed for me.

NJRVer

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Posted: 10/08/20 06:46pm Link  |  Quote  |  Print  |  Notify Moderator

Hoerschel wrote:

NJRVer said: "Bought a 5 gal bucket at Depot and I only used 1/2 of that for two coats on a 25' roof. It seems really thick when you go to roll it. You would think it isn't going to go far at all, but it really spreads. Looks like I will coat the roof of my cargo trailer now since I have the extra."

NJRVer: An FYI for your consideration... According to Henry's, the appropriate rate of coverage is 1.5 gallons per 100 square feet. You sought to cover 250 sq ft (25' long by 10' wide). If you had 2.5 gallons left from a 5 gallon pail, your application may have been too conservative; i.e., it should have required at least 3.75 gallons +/- to meet their specifications for adequate coverage and protection. You can still add another coat, should you wish, to know you're within spec. Given the elapsed time you just need to wash your roof before hand. In my case, I have a 30' unit and marked the roof with tape in 3 - 100 sq ft sections to ensure I rolled it on evenly. One coat sufficed for me.


That is based on straight out total square footage.
You have to add up the square footage of all the areas of the roof that do not get coated:
Roof vents, plumbing vents, fan vents, skylights, refrigerator vents, rooftop A/C units, TV and radio Antenna.
Believe me, I put two coats on and the coating on the roof now is by no means "thin".
Also, what rv roof is 10' wide?

C Schomer

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Posted: 10/08/20 06:52pm Link  |  Quote  |  Print  |  Notify Moderator

Chuck, your black blotches look totally different from what my roofs did. Mine got really fine checks in it and the pressure washing blew off what looked like white sand. Then I could see a little of the black layer under the top white layer but it sure wasn't anything like yours. My ex was a microbiologist, so... I would try a bleach solution on yours just to see if it's mildew or mold. If it is, I would want to kill it before recoating. Craig


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