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#1 |
Hand Crafted C-10
![]() Join Date: Aug 2006
Location: Burien, WA
Posts: 5,180
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Keeping frost out of my canopy
I've got a fairly rattle-trap canopy...it doesn't leak but it's not air
tight. Has single pane windows both sides and a fairly loose above-tailgate hatch in back. My problem is it collects enough moisture inside that, now that its below freezing, it ices up and makes visibility impossible. BTW-bed is empty and has a plastic bed liner. Tonight, it's 33° F and 58% humidity and they are clear now BUT in the past week it's been down to 24° to 26° every night and then the ice on the inside of the canopy's windows happens. Any fixes? Can I wipe the inside glass with anything? Lay trays of cat litter inside to dry it out? I'm thinking that litter will finally get saturated and become a never-ending replacement expense. I hate to go on a spending spree before some feedback. Thanks for any recommendations. |
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#2 |
Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,561
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Re: Keeping frost out of my canopy
Are you talking about your bed topper? Just haven't heard it called a canopy. If so then that is a good question. My Blazer never got ice inside it. I would think it is about the same situation as far as tops/toppers. Maybe find some Blazer weather seals for your tailgate and make sure it is sealed well where it mounts to the bed. Windows may need some stripping as well. Find some "pile" type seals for the sliding parts if it has them.
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#3 |
Registered User
Join Date: Apr 2013
Location: South Westerlo, New York
Posts: 1,325
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Re: Keeping frost out of my canopy
It may be that its not air tight enough. Here in the N.East I notice if I leave the side window down a couple inches in the morning I have dew or frost inside on windshield. If windows are up at night I never get dew or frost on the inside. I don't know what you could do to get it tighter, maybe caulk?
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Thanks, Joe.. 1969 C/10, 348 C.I., 3X2 bbl. V8, 2004r , LWB. |
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#4 |
Registered User
Join Date: Aug 2005
Location: Brentwood, TN
Posts: 23
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Re: Keeping frost out of my canopy
I've got a topper on my 70 and haven't had issues with frost since I've gotten it. The one time I did I had some wet camping chairs in the back. I have a metal floor and no liner and the bed is pretty drafty. I would look and see if your plastic liner is keeping moisture between it and the bed. If so, removing that so the bed can dry out might make the difference.
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1970 CST-10 350/350 turbo 1978 Camaro Z-28 Clone 350/Saginaw 4-speed |
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#5 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,646
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Re: Keeping frost out of my canopy
Possibly getting a lot of condensation on the inside of canopy. Our trucklet (Tacoma) has a fiberglass tonneau cover. The inside of it is lined with something that appears similar to indoor-outdoor carpet, to keep it from sweating (or forming condensation). Maybe something like that would help, but I agree with others that better weather sealing is worth trying.
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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#6 |
Senior Member
![]() ![]() Join Date: Aug 2013
Location: Windsor, California
Posts: 1,042
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Re: Keeping frost out of my canopy
I have a storage shed that I paint in and it would be damp/wet in the morning because of condensation. I found if l Leave a small fan on during the night it stays dry...cold but dry. If you can circulate the air in there some way it might work for you.
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#7 |
blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Re: Keeping frost out of my canopy
frost on window? Remove windows. Move south (Arizona). Paint windows so you never see frost again. Don't back up. Back into parking spot in evening
not much help I suppose, just providing comedic relief
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Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card |
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#8 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Keeping frost out of my canopy
for a small investment you could get a slor panel heater that would defrost it and work as long as it was parked outside in the sun
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#9 |
70+ ( Old Skool Club )
![]() Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,119
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Re: Keeping frost out of my canopy
I think the problem is the bed liner kind of sealing the box so air doesnt get out the factory drain holes uin the box. Also if you do not have two side tape between the canopy and top of the box under the front and sides you'll get cold air entering and mixing with the warmer air under the canopy. When your truck sits in the sun during the day the air under the canopy will get warmer and stay warmer even when the sun goes down or behind the clouds and when the colder air hits it there is your condensation.
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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#10 |
Senior Member
![]() Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,283
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Re: Keeping frost out of my canopy
I once heard that the early Lear 23 had fogging problems in the pilots windscreen [later models had a defroster built-in.] Some co-pilot hung a hand-held hair blower on bunji cords from the sunshade, blowing hot air at the windscreen.
Maybe with power from an inverter, you could find a hand hair blower to shoot hot air on your back window? They've got to be dirt cheap in thrift shops.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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#11 |
Registered User
Join Date: Jul 2014
Location: Memphis, TN
Posts: 67
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Re: Keeping frost out of my canopy
Home Depot and get the foam insulation with tape on one side. Too much daytime air and moisture is getting in there. Hade the same problem on a Dakota I had years ago. Seal what you can with it. It won't work 100% but you'll see and improvement. take the topper off and doo the bed rails too.
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#12 |
Hand Crafted C-10
![]() Join Date: Aug 2006
Location: Burien, WA
Posts: 5,180
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Re: Keeping frost out of my canopy
Thanks for the great feed back guys!
I'll see what I can do to tighten it up and go from there. Thanks! Ellen |
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