SVX Sun Roof

[Allan]

HELP. How do I keep the heat out of my trucks sun roof. I am told no matter what tint I do it will not help. Today it was only 24c and I had to turn on the air for a while, when its 44c its hell. Any suggestions.

Allan

[dobbo]

reflective tape silver side up or get it painted to match the car.

[Nera Donna]

As a quick fix, I fitted two el cheap-o retractable blinds from ‘Supercheap’. The ones with the suction cups that attach to the side windows for the kiddies.
I removed the suction cups and used the hood lining trim retainers to hold the retractable part of the blind on the rear side of the sun roof, fabricated some clips that clip onto the forward end of the sun roof trim. I glued the ‘Velcro’ to these clips to hold the bottom end of the blind.
It is nothing fantastic, but it’ll do the job until a more permanent solution can be effected.
Cheers
Craig

[Reads90]

My dad just painted his with black paint did the job and kept the heat out


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[kenleyfred]

I put a Hannibal Rack over it. It still lets in a bit of heat so am soon covering completely with a roof top tent. That should fix it.
Kenley

[topnham]

HELP. How do I keep the heat out of my trucks sun roof. I am told no matter what tint I do it will not help. Today it was only 24c and I had to turn on the air for a while, when its 44c its hell. Any suggestions.

Allan

you have got a svx and your winging o pore you

[solmanic]

Just painting the sunroof won't stop the heat transmission as it's still only glass. You need to line it inside with some high density foam or something. The best bet however is to get it removed altogether and the hole welded up (and painted of course). Then get a regular Defender front roof lining installed. Probably not the easiest or cheapest solution, but the only one that will properly fix the problem.

Sunroofs just don't make sense here in Australia.

[KarlB]

I just open mine and let the hot air out. The sun roof shouldn't be that much different from a metal roof in terms of letting heat in. The vehicles 'natural' heating (and natural cooling, even on a hot day) would be a complex of conducted and radiated energy (ie heat). One of the issues is 'greenhouse effect'. What you feel is the hot air surrounding you. However, the greenhouse heating would be a function of all of the glassed area of your vehicle, not just the sun roof. I would be highly surprised if the main source of heat in the vehicle is not the metal roof, despite the insulating roof lining. The metal roof would conduct far more heat than the glass of the sun roof and the air trapped within the lining would soon heat up and radiate that into the cabin. The only reliable way to tell if the sun roof is significantly affecting the inside temperature is to compare essentially identical vehicles, side by side, with and without a sun roof. I suspect the sun roof is just a whipping boy.

Cheers
KarlB

[Allan]

Thanks all, will try some of these ideas and see if it helps.

Allan

[seano87]

The problem may have more to do with the colour of the rest of the truck... Black absorbs like crazy. I know because I have a black car. Coincidentally, it also has a sunroof! But where it differs is mine is tinted, and it makes a huge difference. Putting my hand near the untinted side windows in sunlight, can feel a lot of heat transfer, near the sunroof, significantly less, maybe about half as much.

Yes the car still gets hot, but I really think its more to do with being black.

As previously mentioned though, if you have the sunroof open, it helps hot air escape.

Personally, I'd try getting it tinted to stop a fair amount of the radiant heat. It's only a small area so should be pretty cheap.