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Laurie D Regular Location: Melbourne Registered: March 2003	Re: Polyurethane Injection Fri, 09 April 2004 07:22 I gather you mean injection of polyurethane FOAM. Yes it does increase structural strength of chassis rails and other cavities within the body, cross members sills etc. I have done it to a couple of cars. It's a messy process and the car needs to be stripped down to essentials to do it. It requires high pressure equipment, and all holes in the areas to be filled need to be blocked off. Once completed, any welding etc. to the areas filled will cause possible fire problems. Subsequent panel damage to sills and body panels will require clearing out foam before repairs. A well built and installed roll cage will have a far better net result, though injection of foam to front rails forward of the firewall is not a bad addition to a cage. Laurie D [Report message to a moderator]

	Subject	Poster	Date
	Polyurethane Injection	takai	Fri, 09 April 2004 01:56
	Re: Polyurethane Injection	Laurie D	Fri, 09 April 2004 07:22
	Re: Polyurethane Injection	takai	Fri, 09 April 2004 07:41
	Re: Polyurethane Injection	Cool1	Fri, 09 April 2004 07:41
	Re: Polyurethane Injection	takai	Fri, 09 April 2004 07:42
	Re: Polyurethane Injection	Cool1	Fri, 09 April 2004 07:44
	Re: Polyurethane Injection	lang	Fri, 09 April 2004 07:44
	Re: Polyurethane Injection	takai	Fri, 09 April 2004 07:46
	Re: Polyurethane Injection	Cool1	Fri, 09 April 2004 07:46
	Re: Polyurethane Injection	Grega	Fri, 09 April 2004 09:02
	Re: Polyurethane Injection	jza70-mel	Fri, 09 April 2004 13:41
	Re: Polyurethane Injection	Laurie D	Sat, 10 April 2004 01:07
	Re: Polyurethane Injection	takai	Sat, 10 April 2004 01:58

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