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gotime242
Joined: 09 Jul 2010
Posts: 52
Location: West Palm Beach, FL
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 Posted: Wed Aug 11, 2010 6:30 am Post subject: Please help a newbie with fabric patches. |
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Hello all,
I need to do some small patchwork on my Kolb. I ordered the patch/repair kit from a/c spruce thinking it would come with some instructions.
I have: Poly-Tak, Poly-Fiber Reducer, Poly-Brush and Poly-Spray.
So far, ive read:
1) Use MEK to clean area.
2) Brush on Poly-Tak, let dry.
3) Place patch on, brush Poly-Tak and Reducer (50/50) (???)
4) Let dry, apply heat to tigten/smooth?
Is this correct? Why would i need the poly-brush and spray for just a patch?
I know i need to get the poly manual, and i will order that, but was hoping to do a couple patches today.
Thanks!
-Dylan
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slyck(at)frontiernet.net
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| Posted: Wed Aug 11, 2010 6:50 am Post subject: Please help a newbie with fabric patches. |
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The poly brush will fill the weave and blend the edges.
Before you do the MEK, degrease the area with a strong detergent (commercial type, not dish detergent with skin-preserving oils)
and rinse with water. Old fabric can harbor many kinds of unfriendly oils, greases and bug guts that can screw up a paint job.
Car paint shops used to absolutely detest those silicone preparations folks slathered on their cars for the shiny look.
-then lightly scuff the area
THEN the MEK
BB
On 11, Aug 2010, at 10:30 AM, gotime242 wrote:
| Quote: |
Hello all,
I need to do some small patchwork on my Kolb. I ordered the patch/repair kit from a/c spruce thinking it would come with some instructions.
I have: Poly-Tak, Poly-Fiber Reducer, Poly-Brush and Poly-Spray.
So far, ive read:
1) Use MEK to clean area.
2) Brush on Poly-Tak, let dry.
3) Place patch on, brush Poly-Tak and Reducer (50/50) (???)
4) Let dry, apply heat to tigten/smooth?
Is this correct? Why would i need the poly-brush and spray for just a patch?
I know i need to get the poly manual, and i will order that, but was hoping to do a couple patches today.
Thanks!
-Dylan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=308366#308366
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rickofudall
Joined: 19 Sep 2009
Posts: 1392
Location: Udall, KS, USA
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| Posted: Wed Aug 11, 2010 9:34 am Post subject: Please help a newbie with fabric patches. |
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Dylan, Everything you need to know about patching is covered in Appendix I of the Polyfiber manual. You have two options depending on the area of the damage. Everything depends upon what the top coat of your fabric is. Please do yourself a favor and get the Polyfiber manual and review this portion. You seem to be guessing at the process, based upon your idea for thinning the Poly Tak. Your repairs will go much smoother and be far more likely to be successful if you do them as manual states.
Rick Girard
On Wed, Aug 11, 2010 at 9:50 AM, robert bean <slyck(at)frontiernet.net (slyck(at)frontiernet.net)> wrote:
[quote] --> Kolb-List message posted by: robert bean <slyck(at)frontiernet.net (slyck(at)frontiernet.net)>
The poly brush will fill the weave and blend the edges.
Before you do the MEK, degrease the area with a strong detergent (commercial type, not dish detergent with skin-preserving oils)
and rinse with water. Old fabric can harbor many kinds of unfriendly oils, greases and bug guts that can screw up a paint job.
Car paint shops used to absolutely detest those silicone preparations folks slathered on their cars for the shiny look.
-then lightly scuff the area
THEN the MEK
BB
On 11, Aug 2010, at 10:30 AM, gotime242 wrote:
> --> Kolb-List message posted by: "gotime242" <dylanshine(at)gmail.com (dylanshine(at)gmail.com)>
>
> Hello all,
>
> I need to do some small patchwork on my Kolb. I ordered the patch/repair kit from a/c spruce thinking it would come with some instructions.
>
> I have: Poly-Tak, Poly-Fiber Reducer, Poly-Brush and Poly-Spray.
>
> So far, ive read:
>
> 1) Use MEK to clean area.
> 2) Brush on Poly-Tak, let dry.
> 3) Place patch on, brush Poly-Tak and Reducer (50/50) (???)
> 4) Let dry, apply heat to tigten/smooth?
>
>
> Is this correct? Why would i need the poly-brush and spray for just a patch?
>
> I know i need to get the poly manual, and i will order that, but was hoping to do a couple patches today.
>
> Thanks!
>
> -Dylan
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=308366#308366
>
>
>
>
>
>
>
>
>
>
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henry.voris
Joined: 02 Mar 2007
Posts: 116
Location: Pueo Field, Kula, Maui
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| Posted: Sat Aug 14, 2010 9:36 am Post subject: Re: Please help a newbie with fabric patches. |
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14aug10
Dylan,
I was in you position a few months ago... I had holes to patch and no experience...
You owe it to yourself to buy the Polyfiber manual. There are two pages on "patching", but the entire manual will give you important insights on how the entire system works...
I had a bad rip from the wing's leading edge, straight back, about 18" long, between the wing ribs. Bad spot to patch. I had some cloth but no chemicals and no one will ship them to Hawaii without a $300.00 HazMat fee...
The smart guys on this list told me what chemicals I could use as substitutes and I proceeded.
The Polyfiber system works very well. Any screw-ups (before you get to the point where you want to paint) are easy to clean up with MEK and start over. Because of the compound curves, around the ribs at the leading edge, it took me four tries to get the patch right. Each screw-up cleaned up no problem...
Small holes and punctures are easily covered with stickers... You know... "VISIT THE GRAND CANYON", "Hello Kitty" etc. I covered a puncture on the underside of the wing with clear packing tape four years ago. It looks as good as it did four years ago.
I admit that Five-Charlie_Bravo looks like a bit of a ratter with all the odd patches and stickers. But in reality, it now matches the pilot.
Good Luck... Contact me off list if you would like me to eMail you a scan of the two pages in the Polyfiber manual that cover patching. But as I said... you owe it to yourself to buy a copy for reference...
Aloha,
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Henry
Firefly Five-Charlie-Bravo
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