Weld Seam Sealing
Dean Rayner
What is the best way to apply sealant. I was sold this black stuff in a
tub. Do I squeze as much in to the gap as possible and finish it flat. It
looks quite hard stuff, can I soften it at all?
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Chris Wilson
In article <dean-04069...@192.163.1.11>,
dean@#nospam#drayner.demon.co.uk said in uk.rec.cars.classic
> What is the best way to apply sealant. I was sold this black stuff in a
> tub. Do I squeze as much in to the gap as possible and finish it flat. It
> looks quite hard stuff, can I soften it at all?
I avoid bodywork like the plague,(well *car* bodywork,anyway :-)),but
when I *have* used seam sealant,it's been a heavy,viscous liquid,that
I applied from a tin,using a stiff brush.This allowed me to work and
stipple it well into/under the seams.It certainly wasn't hard,if I had
inverted the tin,it would certainly have run out...
I'd wait for a body expert to give an opinion first,though.
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Best Regards,
Chris Wilson
http://www.maximum-bhp.u-net.com
Gavin Walker
In article <MPG.fe0dad87...@news.u-net.com>,
...or some one who isn't one ;-)
anyway, yep, that's the stuff. Called seam sealer, and you buy it in
tins. Try some where like Brown Bros or other more trade-orientated
places (don't recall ever seeing it places like Halfords...)
Oh yes, and if the guy who repaired the crash damage on my car is
reading this, despite being quite sticky you do infact have to weld
the panels together as well.... :-|
Gavin
Leslie B Rose
>In article <dean-04069...@192.163.1.11>,
>dean@#nospam#drayner.demon.co.uk said in uk.rec.cars.classic
>> What is the best way to apply sealant. I was sold this black stuff in a
>> tub. Do I squeze as much in to the gap as possible and finish it flat. It
>> looks quite hard stuff, can I soften it at all?
>
>
>I avoid bodywork like the plague,(well *car* bodywork,anyway :-)),but
>when I *have* used seam sealant,it's been a heavy,viscous liquid,that
>I applied from a tin,using a stiff brush.This allowed me to work and
>stipple it well into/under the seams.It certainly wasn't hard,if I had
>inverted the tin,it would certainly have run out...
>
>I'd wait for a body expert to give an opinion first,though.
>
in just the same way as bath sealant etc. Is this as good as brushing
sealant? I note that spot-welded seams in a lot of modern cars have
silicone in them (applied after painting).
--
Leslie B Rose
Brian McGuiness
I bought seam sealer in Halfords back in Oct/Nov of last year. It was
about £8 for a fairly large tin (somewhere between 3/4 and 1 litre I
think). It was next to the body filler/underseal section.
Gavin Walker wrote:
>
> tins. Try some where like Brown Bros or other more trade-orientated
> places (don't recall ever seeing it places like Halfords...)
>
--
Brian McGuiness Memex Technology Limited
brian.m...@memex.com http://www.memex.com
Robert Brown
There are several types of seam sealer dependant on the job
a few:-
a weld through one which you apply to the panels and then spot weld through
it.
one which is applied from a gun like mastic or bathroom sealer
a brushable one as it states applied with a brush.
in all cases read the instructions as time is required to let the stuff cure
most are polyurethane base.
Most paint and body panel suppliers can offer more advice and the best
product to use, with Halfords you make your own choice.
Regards
Bob
Dean Rayner wrote in message ...
>What is the best way to apply sealant. I was sold this black stuff in a
>tub. Do I squeze as much in to the gap as possible and finish it flat. It
>looks quite hard stuff, can I soften it at all?
>
Sonic
As a paint sprayer and welder, I prefer the stuff in the tubes like the
silicone bath sealer as it is not so messy and quicker to use, although the
stuff in tins is the same, just packaged differently.
We buy it from a local car paint supplier and normally use "mirtek" but it
is all much the same.
The easiest and neatest way to apply it is to brush it on or squeeze it on
in the case of a tube over the seam and brush it out with a paint brush
about 1" or 25mm. The knack is to keep dipping the brush in some cellulose
paint thinner as this stops the sealer getting stuck to the brush and being
dragged all over the bodywork. If you use enough thinner on the brush
excellent results can be achieved. Sillicone sealer is OK but tends to peel
off after a while. Also it cannot be painted. Besides which, the proper seam
sealer is not much more expensive and well worth the extra.
Mark
ma...@baynet.co.uk
http://members.tripod.com/~sonyc/
Chris Wilson wrote in message ...
>In article <dean-04069...@192.163.1.11>,
>dean@#nospam#drayner.demon.co.uk said in uk.rec.cars.classic
>> What is the best way to apply sealant. I was sold this black stuff in a
>> tub. Do I squeze as much in to the gap as possible and finish it flat.
It
>> looks quite hard stuff, can I soften it at all?
>
>
>I'd wait for a body expert to give an opinion first,though.
>