| Recommended solvent: MEK (methyl ethyl
| |
| | You are preparing the fabric for glue
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| ketone). It is often available at paint,
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| | adhesion. Abrading these PVC fabrics is
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| hardware or plumbing stores, sold as a
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| | not recommended or necessary.
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| cleaner for PVC pipes or lacquer thinner.
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| | Glue Application (3 thin layers) 6. Apply
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| For non-critical bonds you might
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| | a thin glue layer with stiff brush to both
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| substitute acetone.
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| | sides. Aggressively work it into the
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| Glue: Zodiac #7097 Universal Glue;
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| | fabric with the brush. If it looks too
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| Polymarine Urethane (PVC) Glue. Do not use
| |
| | thin, it is probably correct! 7. Wait five
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| Avon Adhesive (one or two part) or
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| | minutes (timed) If glue still looks wet,
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| Bostik® or other
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| | wait longer.
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| Hypalon or rubber glues.
| |
| | 8. Repeat steps 6 & 7 (total of 3 layers
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| They will not work on synthetic materials.
| |
| | with 5 minute open time between) 9. Wait
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| 1. Atmosphere: Glue with humidity less
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| | 10 minutes after third layer of glue.
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| than 70%; and not in direct sunlight;
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| | 10. Join the surfaces during the next 10
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| Temp. 64° to
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| | minutes. Start from one edge and slowly
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| 77°F is best.
| |
| | lay the patch or accessory down onto the
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| 2. Preparation: Gather rags, glue brush;
| |
| | glued area.
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| solvent; timer with second hand or stop
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| | Press out all air bubbles and wrinkles
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| watch; make sure all the old glue is
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| | from the center to the edges. On deflated
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| cleaned off; get your patch cut out,
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| | boat rub as hard as possible with smooth
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| position noted and marked. It always
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| | tool, e.g. the back of a large tablespoon
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| leaves a neat tidy finish if you tape off
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| | - force air out from between boat and
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| the perimeter of the patch area with
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| | patch. Careful not to scratch the fabric.
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| masking tape to avoid over glue. (If you
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| | For davits and hard based accessories,
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| need more details on this part, read these
| |
| | deflate boat and press through from other
|
| general tips) 3. Mix accelerator and glue
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| | side to make sure of adhesion. Wipe off
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| thoroughly either now or while waiting
| |
| | excess glue with solvent.
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| between the solvent wipes below.
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| | If over 10 minutes or if glue has spots of
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| Accelerator is toxic; keep off skin. Keep
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| | white haze the glue has picked up moisture
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| mixed glue covered (foil or wax paper)
| |
| | and you should try to "reactivate" it.
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| when not using. Pot life is about 1 hour.
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| | With a clean rag wet the glue surface with
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| It may still look liquid, but will have
| |
| | MEK but do not rub the glue off (one quick
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| lost effectiveness.
| |
| | swipe). Then assemble immediately. Press
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| Solvent Cleaning (3 times - to prepare the
| |
| | hard. For accessory on an inflated boat
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| fabric for a chemical bond with the glue)
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| | you can rub it down vigorously with a rag.
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| 4. Scrub both sides (boat and patch or
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| | Make sure there is no MEK on the rag when
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| accessory) with MEK on a rag to clean
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| | using it to run down the part or patch.
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| surface. Be careful not to wipe the MEK on
| |
| | 11. Wait at least 48 hours before use.
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| areas of the boat or patch that will be
| |
| | Chemical bond will continue to strengthen
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| seen as MEK will make the fabric sticky
| |
| | over next 7 days. Don't be tempted to
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| and shiny. Use masking tape around the
| |
| | shorten the process. Don't cut this curing
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| perimeter to minimize this. Wait 5 minutes
| |
| | time short: your patch could peel off like
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| after the first MEK wash. (time it) Mix
| |
| | a Post It note! Pressure test if you want
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| glue and accelerator while waiting, if not
| |
| | to be sure.
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| done already.
| |
| | Blow it up to full pressure. Leave it
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| 5. Apply two more solvent wipes with 5
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| | overnight.
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| minute waiting time (timed) between them.
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| |
|
