Polyurethane Patches for Clothing

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Messages 1 - 18 of total 18 in this topic
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Original Post - Dec 22, 2014 - 10:41am PT

Your first attempt at a patch may look like this:



Repairs can be made by tucking a polyurethane coated piece of fabric into the jacket.


The finished product can look quite tidy.


shoe front protection caps can be made from the sealant.


Poly U sealant is very workable with common solvents.


Duct tape will make your job look more planned and rofessional.


Preventive Maintenance can be done so subtlety when you apply the sealant to the inside of the pants leg that the result is almost non-detectable from the outside. Matching color helps achieve camo.

In other words squeegee out all the excess poly from the fabric weave. The bread board visible on the left makes for a good flat anvil surface to press the stick against.

A tear repair done from the inside.

fear

Ice climber
hartford, ct
Dec 22, 2014 - 12:19pm PT
I want to see what Dingus does for a gaping wound....
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 22, 2014 - 02:39pm PT
fear,


you say:

I want to see what Dingus does for a gaping wound....


There are no wound on me right now for such photos and I am somewhat invincible to the type of wounds I hear the chickenShits around here are trying to bestow on me.

pb

Sport climber
Sonora Ca
Dec 22, 2014 - 03:05pm PT
pure genius, and classy too!
Jaybro

Social climber
Wolf City, Wyoming
Dec 22, 2014 - 03:13pm PT
I dunno.. From your own photos, it looks like you're taking in in the crotch.. Just sayin'...
MisterE

Gym climber
Bishop, CA
Dec 22, 2014 - 04:57pm PT
Plus you get some fume-sniffing in as a bonus!

Good times, and the chicks dig it.
Studly

Trad climber
WA
Dec 22, 2014 - 05:44pm PT
This explains allot. Duct tape leaves a nasty sticky residue, would not masking tape work better?
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 22, 2014 - 06:26pm PT
Studly,

good point about the duct tape. I experimented around with several types of duct tape[and duck tape] and found the expensive Scotch 3M duct tape leaves very little residue and it worked the best of what I used experimenting. I didn't try masking tape but using it seems likely to give good results to.

After drying the cured poly U leaves no odor. about 3 days and it is quite tack free but still shinny.
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 22, 2014 - 06:38pm PT
Opened Poly U tubes can be sealed with folded duct tape over the nipple end and stored in the freezer where the shelf life is over 2 years. Product is about $5.70 from Home Depot.

fear

Ice climber
hartford, ct
Dec 22, 2014 - 06:44pm PT
So does the "Roof and flashing" tube work better for hats/hoods than the "Window and Door" tube?

Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 22, 2014 - 06:49pm PT

The photo below is the above pair of trousers turned inside out so one can see the amount of unnoticed white poly U applied to hold the threads intact.

Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 22, 2014 - 06:55pm PT
fear,

good question. Reading from tubes they are described very similar. I guess if you want your hood to look more roof like use the black.
fear

Ice climber
hartford, ct
Dec 22, 2014 - 07:28pm PT
Gotcha....

I'm already accused of stinking the house up with frequent doses...errrr... patches using Seam Grip.

Why I laugh when some $500.00 jacket is recommended for "ice climbing"...

atchafalaya

Boulder climber
Dec 22, 2014 - 07:32pm PT
That may be the worst idea I have ever seen on supertopo.

+1 for more stove cleaning, less epoxy pants.
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 23, 2014 - 05:09am PT
That may be the worst idea I have ever seen on supertopo... epoxy pants.

-1.0 for this fellow's chemistry no-ledge. epoxies = amides = not = urethane[poly]. He is no materials expert. How did he get into this kitchen? He probably wears the finest of Gore-tex [rubber] and condemns the use of rubber here.

There are two sealing products that use the Aquaseal registered trademark[word] as the main name of their product. The urethane version is shown in the photo below. Its performance is outstanding but it is quite expensive. About $8 for 1 oz. A curing accelerator, Cotol-240, is available from the same company. I suspect it hastens the curing of Loctite S30 and S40 but haven't tried it. The Cotol-240 is quite volatile and runny and costs more than Aquaseal Urethane. My bottle of this vanished in the air with the cap on [tight?] before I stated using Loctite Poly U's. This product seems no stronger than Loctite s30 & S40 and its clear color may be harmed more by the sun than the black poly U that is recommended for sealing roofs.



Vapors: Listed as harmful for Cali residents [toluene]. Birth defects and other reproductive harm. Loctite Poly U's are similar to RTV sealant in that they will cure at very cold temps but take more time. In fact they cure soon in WY winters. I let my mendings cure outside.

Apparently the cured product is quite harmless as there is a kitchen variety.
Jon Beck

Trad climber
Oceanside
Dec 25, 2014 - 08:20am PT
I like the marine grade 3M product called 5200, comes in black or white, a little pricey, but strong as hell and flexible. Do not buy it at West Marine, shop online.

I have used two part epoxy for structural repairs on packs. Not pretty but bomber repairs.
Dingus McGee

Social climber
Where Safety trumps Leaving No Trace
Topic Author's Reply - Dec 26, 2014 - 05:29am PT
Jon Beck,

yes 3M 5200 polyurethane has been around a long time. I got a tube from Defender Industries NYC in 1984 and thought it was the greatest sealant around but quite expensive.

They now also offer 3M Marine 4200 Adhesive/Sealant Fast Cure for $21/10 oz tube Amazon. How much shelf life with this??

I see both 3M 5200 and 3M 4200 are sold as both a sealant and as an adhesive whereas Loctite S30 and S40 are sold only as sealants. Maybe these two 3M products can also meet the ASTM construction standards of what constitutes an adhesive and the Loctite products don't?
Jon Beck

Trad climber
Oceanside
Dec 26, 2014 - 11:22am PT
Fix it? ^^^

It ain't broke, looks good to me
Messages 1 - 18 of total 18 in this topic
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