Am trying to find out about a product called "Formwal Traffiguard" -
it is used for sealing roofs and decks: manufacturer, successes,
failures

Hello and thank you for your question. 

I discovered the following during my search on these search terms: 
"Formwal Traffiguard"
Formwal
Traffiguard
"Hitchins GUNAC"
"Hitchins New Zealand Ltd"
Traffigard

First I dicovered that there are many misspellins of this product on
the web.
The actual name of the product is Traffigard

This seems to be a well received product, I could not find one
negative comment about it anywhere and all the websites I found it
mentioned on seemed very reliable.

The manufacturer's head office is in New Zealand

Hitchins New Zealand Ltd
http://www.hitchins.co.nz/company_profile.asp#
7 Masefield St 
Upper Hutt 
Wellington, New Zealand 
Fax 528-4813 
Freefax 0800 4 GUNAC (0800)448622 
email:office@hitchins.co.nz ....Ph.(04)527 7248.
**For a list of their other offices please see this page
http://www.hitchins.co.nz/offices.asp

For a complete Product Description, Advantages, Benefits, Composition
and Application process you can visit UNIROOF International's web page
on Traffigard
http://www.traffigard.com/page2.html

CSIRO Manufacturing & Infrastructure Technology offers a broad range
of research, products and services
These snippets are from a CSIRO Building Products & Systems
Appraisals. Their complete Technical Opinion can be read at
http://www.cmit.csiro.au/services/appraisals/test.cfm?id=247

ABSAC Technical Opinion 247 - Formwal Traffigard 2000+ 

"Purpose: A waterproofing membrane system for use in wet areas
including shower recess bases (the membrane forms a shower tray), and
associated floors and walls all of which are to be subsequently tiled
and for waterproofing roofs, decks, plazas and carparks"

"'Formwal Traffigard 2000+ Waterproof Membrane system as manufactured
by Hitchins Pty Limited (ACN 074 433 275), Granville, New South Wales,
is suitable for use as a waterproofing membrane in wet areas including
shower recess bases (the membrane forms a shower tray), and associated
floors and walls all of which are to be tiled and for waterproofing
roofs, decks, plazas and carparks..."

If you need more information please request a clarification.

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Request for Answer Clarification by snooze52-ga on 30 May 2003 14:19 PDT

Good morning.  The information provided is very good and I thank you
very much for doing such thorough research.  We have heard that the
most likely cause of failure with this product is with the glue which
is the first coat in the application stage. Could you please find out?

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Clarification of Answer by wlk115-ga on 30 May 2003 16:41 PDT

Sorry snooze52-ga, I have searched for more information on failure of
this product and have found no information.
The closest thing I have found is on UNIROOF International's web site
where they mention Precautions, For Best Results (last two paragraphs
on the right)
and their 10 yr warranty (last paragraph on the right)
http://www.traffigard.com/page3.html

I called a local roofing specialist (Pennsylvania, USA) to see if he
had any information on this product. Although he had never heard of
this particular product he pointed out that surface preparation is
extremely important with any of these systems, the cleaner and dryer
the surface the less potential problems will arise.

Thank you - you helped me find more information than I had been able
to in a timely fashion which assisted the decision making process for
the purchase of our new home.