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Bonding Doors
Hi All,
I am up to doing my doors and need to stick the fibreglass skin to the steel frame (galvanised). I was thinking sikaflex would be best, but not sure which one to use. I have rung sika but not yet had a call back. What have people used and how is it performing. Was going to bond with sika then glass around the metal afterwards. Cheers. |
Have you spoken to the kit manufacturer? He can probably advise.
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Doesn't Laurie provide after sales support? **)
Zedn, my doors came from Harrison already bonded. Perhaps give one of the big kit manufacturers a call? |
Hi Sambo,
I bought the kit second hand. Never spoken to the manufacturer. |
Hi Liam. ring 0438289427 and say i said to ring.
Stan |
Warwick uses a form of body filler to do the bonding.
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I would clean the galv with white vinegar then use a two part panel bonding adhesive such as the 3M stuff http://www.3m.com/product/informatio...-Adhesive.html You got the right idea, stick it together.
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Hi Mickmate,
It has been suggested to use just regular body filler (bondo). What are your thoughts on that? I will see if i can find somewhere local for the 3m product. cheers |
I used 3M HSRF (High Strength Repair Filler) to bond my tube frames to my doors, hood, and trunk lid. Be sure to use an etching agent like vinegar or metal etch as Mickmate suggests and be sure the fiberglass is cleaned really well with acetone just before you bond the two pieces.
You can usually find 3M HSRF at marine stores. Bob |
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Saw body filler is used on the hotrod forums too. I wonder about it cracking though cause it isnt flexible. |
I would recommend a panel bonding agent, another one I've used is Fusor and SEM.
The SEM is kinda runny so you'd want to do a few spots to hold it in place then pull the panel and finish with it laid down. Bondo is a filler not a bonding agent. http://motors.shop.ebay.com/__?_from..._id=1291875644 |
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Over 100 made and no problems
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As stated BONDO is a FILLER, 1 or 100 made if this is used it does not make it the correct product to use!!! |
if you use sika flex use xd001 they use this to hold buses & airplanes together so if must be good for the use you want
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renovationinnov, A friend of mine used to be a panel beater and said they used to use Sikaflex to skin metal doors. But he cant remember which one. I am going to just get some of the 3m product Mickmate suggested. Sounds like a safe way to go but if i can get that then i will go with Sikaflex. Strange i thought this would be a simple question for anyone that has built a cobra but i guess most kits come already bonded with doors hung. Cheers |
I am sure you are right Oz
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Go and talk to a panel shop, ask what they use on a Commonwhore when replacing firewall.
Or you can probably go to a Holden dealer and ask them to supply it straight off there partfinder software. They will either stock it, be able to get it, or give you a part number. |
Why not use polyester resin and e glass (white woven cloth - 6oz)?
Fillers are designed for filling and not glueing, though they have inherent strength they aren't normally used for glueing purposes as you are proposing. At least with cloth and resin you could bond the steel work into one part of the door first, the outside skin I presume, and let it cure and then bond the other door skin to the whole arrangement. The beauty of this two stage assembly is that it might help with fitment of speakers into the door skin and you don't have to worry whether the steel work will move if you werer doing it all in one go. And though less important in this application, fillers are heavy compared to resins, even resins thickened by micro-spheres to also be used as fillers. I have assumed your body is made using polyester resin. If it is made with epoxy resin you'de need to use epoxy glues for the process - most unlikely I suspect. Good luck |
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