How to remove tree sap from tarp?

[Jan Mack Northcutt]

Hey, I finally have a question folks can weigh in on:

What do you recommend doing to remove tree sap from a nylon tarp?

In my case, it's a HH stock asym nylon rain fly. I'm hanging at/outside a friend's house and there's a nice washer & dryer here with all the products I might wish to use (Oxy-clean powder to pre-soak, etc.). I actually washed my HH stuff bag with my clothes and it came out clean, but for the tarp I wouldn't want to do anything that would damage the fabric's water-proofing.

What about cleaning an ultralight silnylon tarp?
(I'd like to be prepared...)

Also, how would you clean this stuff while you're 'outside' -- or would you just wait til the trip was over to do this?


- - - Jan Northcutt - - -
Somewhere in the U.S.A.
between Fairfield CT and Mesa AZ



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[Edwin Morse]

I used "WORKS" in the spray bottle to clean pine sap off one hanging strap that went around a white pine.

I would like to hear what to use on the tarp too.

Ed M
----- Original Message -----
From: Jan Mack Northcutt
To: hammockcamping-***@public.gmane.org
Sent: Friday, June 09, 2006 3:42 PM
Subject: [Hammock Camping] How to remove tree sap from tarp?


Hey, I finally have a question folks can weigh in on:

What do you recommend doing to remove tree sap from a nylon tarp?

In my case, it's a HH stock asym nylon rain fly. I'm hanging at/outside a friend's house and there's a nice washer & dryer here with all the products I might wish to use (Oxy-clean powder to pre-soak, etc.). I actually washed my HH stuff bag with my clothes and it came out clean, but for the tarp I wouldn't want to do anything that would damage the fabric's water-proofing.

What about cleaning an ultralight silnylon tarp?
(I'd like to be prepared...)

Also, how would you clean this stuff while you're 'outside' -- or would you just wait til the trip was over to do this?

- - - Jan Northcutt - - -
Somewhere in the U.S.A.
between Fairfield CT and Mesa AZ





[Non-text portions of this message have been removed]



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[Jeff]

Post by Jan Mack Northcutt
What do you recommend doing to remove tree sap from a nylon tarp?

That's a great question b/c it seems that the likely choice, a solvent
of some sort, would also remove the silicone, so the tarp wouldn't be
waterproof at that spot.

I'd probably scrape off as much as I could w/o damaging the tarp and
wipe it with a cloth until no more would come off. If any spot was
left that was sticky, I'd dust the spot with baby powder so it didn't
stick to the rest of the tarp.

But then I don't know much about chemicals and solvents. I'm sure
someone here knows if there's something that works on sap but not on
silicone. Anyone?

Jeff






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[Shane Steinkamp]

Post by Jan Mack Northcutt
What do you recommend doing to remove tree sap from a nylon tarp?

Assuming pine sap, the answer is...nothing.

Anything that will dissolve the pine tree sap will dissolve the silicone on
a sil-nylon tarp.

You can remove tree sap from UNCOATED nylon with straight acetone. Acetone
will not hurt nylon.

If you must remove the tree sap from coated nylon, use acetone. This will
strip the silicone off the nylon. Don't use too much, and be careful.

Then, where you have stripped the silicone off the nylon, take a small dab
of clear silicone and apply it to a putty knife and scrape the silicone into
the nylon. Use a perfectly flat and smooth surface under the nylon - like a
piece of glass.

You will wind up with a patch that will be slightly less flexible than the
tarp itself, but that's OK for some folks. I do patch jobs this way and it
works fine and lasts a long time.

If the sap is a sugar tree sap - like maple or oak - you can remove the sap
with regular soap and some careful cleaning.

Hope that helps.

Shane



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[Aris Dennis]

Hi all,
Since Rick's comments about the possibility of spectra
rope cutting through the hammock really scared me, I'm
considering using 4mm low stretch polyester line
instead. The place that stocks it says it has low
moisture-absorbance, at it is rated to 320kg.
Here's the site, scroll down for the poly rope:
http://www.biasboating.com.au/rope.html

Does anyone have any opinion on this stuff?

thanks,
Aris

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[kbwaddy]

hey aris, i think the only reason it would cut through anything would be
because that cord you were talking about was only 2mm. a thicker spectra
cord like 3mm or 4mm would probably be fine. i know the 3mm crystaline is
fine and it's gotta be alot lighter than 4mm polyester. just a thought...Brandon

Post by Aris Dennis
Hi all,
Since Rick's comments about the possibility of spectra
rope cutting through the hammock really scared me, I'm
considering using 4mm low stretch polyester line
instead. The place that stocks it says it has low
moisture-absorbance, at it is rated to 320kg.
http://www.biasboating.com.au/rope.html
Does anyone have any opinion on this stuff?
thanks,
Aris
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[opnheartscrub-odAbcf0Mc9JJm/Hvfsr4+]

----- Original Message -----

Post by Jan Mack Northcutt
What do you recommend doing to remove tree sap from a nylon tarp?

You didn't say what type of sap but pine tree sap can be removed with
alcohol. I've used this for years to remove sap from my cars' paint
and conv. top. Just wet the area and gently rub the sap with a
cloth. It might take several applications of alcohol if the sap is
thick. This also works on hands if they get sappy from tying or
untying your hammock. I don't think that alcohol is a solvent to
cured silicone but I am not positive. Seems like you could just spray
the spot with with sil waterproofing to be sure.

Brian
T-BACK


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