Blazer tops condensation - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Radiatta_71 · 11-22-2002, 08:58 PM

I have two blazers one has a double wall top and one has a single wall top. I picked up the 72 with a single wall top to put on my 71 that is a double but i notice that the single wall top is always quite wet on the ceiling where the double wall is always bone dry. Do you guys find this to be true with your tops as well? I always thought the single walls were better but I don't care for water drops dropping on my head while I'm driving.

Also does anyone know what years came with the double and what years came with the single wall tops?

Gordo · 11-22-2002, 09:27 PM

I don't know much about the Blazers but, (there's always a but ain't there) that has been my beleive why the inside, above the windsheild on a typical cab of a 67-72 Chevy pu rusts out. There is no ventalation up there! What happens when you have no ventalation in the roof of a house, eventually it rots.

brad2 · 11-23-2002, 12:40 AM

My 71 has a double wall top and I haven't ever noticed any moisture.

Leinie · 11-23-2002, 02:09 AM

I've had both types of tops- and never experienced your problem. I have been using my Blazers as daily drivers for 6 years with both types of tops. Never had condensation as a problem. They are outside 24-7, never garaged.
Could it be a climate thing?

Blaze69 · 11-23-2002, 02:10 AM

I've never seen this problem on my '69. Come to think of it, I've never heard of it either. Must be one of those things.

Leinie · 11-23-2002, 02:15 AM

Your in Arizona- What would you know about condensation? It's always warm there! Don't go postal on me - I'm kidding!

Blaze69 · 11-23-2002, 02:18 AM

Let's put it this way......I know enough about it to stay away from it...

**Classic Heartbeat** · 11-23-2002, 02:18 AM

My 72 has a single wall top and it condinsates so bad that it will rain on you if you don't take a towell to wipe it down. WES www.ClassicHeartbeat.com

Gordo · 11-23-2002, 10:35 AM

With a double wall roof you wouldn't see the condensation until it rots through the inside panel, and climate would have much to do with it.

Reumster · 11-23-2002, 10:41 AM

I have a single wall, and it condensates also. I wonder if it'd help if it was coated in truck bed liner?/Rhino?

Blazer1970 · 12-02-2002, 11:24 AM

That condensation is usually caused by moisture inside the truck. Are your floor pans and rear floor intact and sealed? It is usually caused by permanently soaked carpeting or the insulation under the carpeting. If the truck is dry inside, you won't get the condenstation.

**Classic Heartbeat** · 12-02-2002, 03:44 PM

Condinsation is also caused by the humidity in the air. If the temprature of the surface that is getting moist is warmer than the ambient temprature, condinsation is the result.

WES www.ClassicHeartbeat.com

RED72blazer · 12-02-2002, 08:38 PM

If you decide to sell the single wall top I would be interested in buying it. Just thought I would ask. By the way I'm located in Seattle.

matt

Radiatta_71 · 12-03-2002, 12:11 AM

The floor is getting wet from the corner windshield to top seal is split. so the floor nearest to the doors stays pretty damp. I wouldn't think that it woud draw that much condensation on the top all the way towards the hatch though. I plan to rhino line my floor at some point so mayhaps that would help things.

the single wall top is only for sale if you buy the whole blazer

RED72blazer · 12-03-2002, 04:00 PM

Is there any info on the blazer? I might be interested in the whole thing anyways. what kind of price where you thinking?
thanks

matt

**Steven B** · 12-04-2002, 05:51 PM

I have not had problems with my top either in the Seattle weather. Should make sure all your seals are good so moisture does not get in.

11-22-2002, 08:58 PM	#1
Radiatta_71 Registered User Join Date: Jul 2002 Location: Vancouver, WA Posts: 117	Blazer tops condensation I have two blazers one has a double wall top and one has a single wall top. I picked up the 72 with a single wall top to put on my 71 that is a double but i notice that the single wall top is always quite wet on the ceiling where the double wall is always bone dry. Do you guys find this to be true with your tops as well? I always thought the single walls were better but I don't care for water drops dropping on my head while I'm driving. Also does anyone know what years came with the double and what years came with the single wall tops?

11-22-2002, 09:27 PM	#2
Gordo Registered User Join Date: Jan 2001 Location: Killingworth, CT. USA Posts: 3,378	I don't know much about the Blazers but, (there's always a but ain't there) that has been my beleive why the inside, above the windsheild on a typical cab of a 67-72 Chevy pu rusts out. There is no ventalation up there! What happens when you have no ventalation in the roof of a house, eventually it rots. __________________ 1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist. Last edited by Gordo; 11-22-2002 at 09:30 PM.

11-23-2002, 02:10 AM	#5
Blaze69 Registered User Join Date: Apr 2001 Location: Arizona Posts: 147	I've never seen this problem on my '69. Come to think of it, I've never heard of it either. Must be one of those things. __________________ 1969 Blazer: 350/350, 4X4, HEI, Edlebrock carb/intake, dual flowmasters, np205, 3:07's and the rest is mostly stock. The front end disc swap is finally complete 2002 Z71 Tahoe. CAI, Flowmaster 40, Silverstars in high, low and fogs and a bunch of mods (upgrades) inside and out.

11-23-2002, 02:18 AM	#7
Blaze69 Registered User Join Date: Apr 2001 Location: Arizona Posts: 147	Let's put it this way......I know enough about it to stay away from it... __________________ 1969 Blazer: 350/350, 4X4, HEI, Edlebrock carb/intake, dual flowmasters, np205, 3:07's and the rest is mostly stock. The front end disc swap is finally complete 2002 Z71 Tahoe. CAI, Flowmaster 40, Silverstars in high, low and fogs and a bunch of mods (upgrades) inside and out.

11-23-2002, 02:18 AM	#8
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	My 72 has a single wall top and it condinsates so bad that it will rain on you if you don't take a towell to wipe it down. WES www.ClassicHeartbeat.com __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

11-23-2002, 12:40 AM	#3
brad2 Registered User Join Date: Feb 2001 Location: edmond, ok Posts: 1,058	My 71 has a double wall top and I haven't ever noticed any moisture.

11-23-2002, 02:09 AM	#4
Leinie Registered User Join Date: Feb 2001 Location: USA Posts: 2,613	I've had both types of tops- and never experienced your problem. I have been using my Blazers as daily drivers for 6 years with both types of tops. Never had condensation as a problem. They are outside 24-7, never garaged. Could it be a climate thing?

11-23-2002, 02:15 AM	#6
Leinie Registered User Join Date: Feb 2001 Location: USA Posts: 2,613	Your in Arizona- What would you know about condensation? It's always warm there! Don't go postal on me - I'm kidding!

11-23-2002, 10:35 AM	#9
Gordo Registered User Join Date: Jan 2001 Location: Killingworth, CT. USA Posts: 3,378	With a double wall roof you wouldn't see the condensation until it rots through the inside panel, and climate would have much to do with it. __________________ 1971 C10 swb stepside 350/700R4/3.73posi (retired as of 4/22/03) 1998 S10 short bed 2002 S10 Blazer 1942 Oldsmobile 1958 Massey Harris Pony 1951 Wife Killingworth, Connecticut May those who love us, love us, any of those who do not love us, may God turn their hearts. And if God is unable to turn their hearts, may he turn their ankles so we may know them by their limping. A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and his heart is an artist.

11-23-2002, 10:41 AM	#10
Reumster L.E.D. Freak Join Date: Jan 2002 Location: Polson MT Posts: 1,358	I have a single wall, and it condensates also. I wonder if it'd help if it was coated in truck bed liner?/Rhino? __________________ Specializing in Custom L.E.D. inserts. http://www.ccled.com/ Contact me @ blazer2wd1972@hotmail.com (406)675-8082 or Joel @ jmcwaters@eps-corp.net 1972 2wd Blazer, 350/700R4/3:73 posi, err & Custom L.E.D. inserts! LOL

12-02-2002, 11:24 AM	#11
Blazer1970 Registered User Join Date: Dec 1999 Location: Old Mission, MI, USA Posts: 2,510	That condensation is usually caused by moisture inside the truck. Are your floor pans and rear floor intact and sealed? It is usually caused by permanently soaked carpeting or the insulation under the carpeting. If the truck is dry inside, you won't get the condenstation. __________________ Tim

12-02-2002, 03:44 PM	#12
Classic Heartbeat Project Junkie! Fishing Poor!! Join Date: Dec 1999 Location: Olympia,Wa. 98512 Posts: 10,770	Condinsation is also caused by the humidity in the air. If the temprature of the surface that is getting moist is warmer than the ambient temprature, condinsation is the result. WES www.ClassicHeartbeat.com __________________ On-line catolog Classic Heartbeat Pickup Parts WEHEPP@comcast.net Call us Toll Free (888) 338-2502 Like Us on Facebook No appointment necessary. 72 BB Chevy Custom Deluxe / Custom Camper 67 I-6 (Soon to be 5.7 LS1) Panel 68 BB Chevy Short Bed 72 6.0 LQ9 Short Bed Chevy 4X4 Olympia's fastest growing truck parts supplier. Olympia's home for Wayward Chevys

12-02-2002, 08:38 PM	#13
RED72blazer urban fourwheelin Join Date: Aug 2002 Location: Seattle Posts: 1,007	If you decide to sell the single wall top I would be interested in buying it. Just thought I would ask. By the way I'm located in Seattle. matt

12-03-2002, 12:11 AM	#14
Radiatta_71 Registered User Join Date: Jul 2002 Location: Vancouver, WA Posts: 117	The floor is getting wet from the corner windshield to top seal is split. so the floor nearest to the doors stays pretty damp. I wouldn't think that it woud draw that much condensation on the top all the way towards the hatch though. I plan to rhino line my floor at some point so mayhaps that would help things. the single wall top is only for sale if you buy the whole blazer

12-03-2002, 04:00 PM	#15
RED72blazer urban fourwheelin Join Date: Aug 2002 Location: Seattle Posts: 1,007	Is there any info on the blazer? I might be interested in the whole thing anyways. what kind of price where you thinking? thanks matt



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12-04-2002, 05:51 PM	#16
Steven B Senior Member Join Date: Jan 2000 Location: LHC, AZ Posts: 385	I have not had problems with my top either in the Seattle weather. Should make sure all your seals are good so moisture does not get in.

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