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sdowney717 ![]() Forum Member ![]() Joined: 11 April 2017 Status: Offline Points: 17 |
![]() ![]() ![]() ![]() ![]() Posted: 14 April 2017 at 3:54pm |
Do you put the patches on the inside or on the outside?
I have several areas I need to repair. I was also thinking of using larger patches to cover multiple problem spots rather than a bunch of little patches. The fabric is not really 'torn', but has flapped in the wind, formed some white crease type lines and worn thru small areas of an inch or less, so that looking up and you can see the sunlight where it has weakened. Patches are going to be say 6 inch by 12 to cover about 3 areas. |
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MattGrant ![]() Admin Group ![]() Sailrite Employee - Expert Joined: 21 April 2005 Location: United States Status: Offline Points: 3009 |
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Your plan is fine. Put the patches on the outside to keep water from running under the glued area.
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Best Regards,
Matt Grant Sailrite |
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sdowney717 ![]() Forum Member ![]() Joined: 11 April 2017 Status: Offline Points: 17 |
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I tried some tear mender bought off Amazon, and I am going to return it.
It is a weak glue. It reminds me of rubber cement and is just a little bit better. A glue I have had good results with is the PL Premium Polyurethane construction adhesive. It swells up a little as it cures. The bond with Sunbrella is perhaps 10 times as good and can still flex, but does stiffen the fabric. It can be spread thin with a putty knife and wiped off the material, but it will show a little. I have not seen that glue penetrate to the other side and show. Another glue I am experimenting with is Titebond 3. I ironed some hem fold overs on Sunbrella fabric edges, then spread some glue smoothed with the finger, ironed again on top the hem pressing it down and it sets the glue quickly so the fabric stays down, but you still need to wait longer for it to cure. Titebond 3 might penetrate to the other side of Sunbrella when ironed with heat a little bit in spots leaving a slightly darker trace to the color. I just ironed it to speed things up for myself on my own top. Otherwise it could be clamped down till it sets.
Edited by sdowney717 - 17 April 2017 at 1:08pm |
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MattGrant ![]() Admin Group ![]() Sailrite Employee - Expert Joined: 21 April 2005 Location: United States Status: Offline Points: 3009 |
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Love the testing and empirical data results. Thanks for sharing.
I have used Tear Mender myself on Sunbrella and find it works quite well for smaller patches. But I would not be surprised if there are other good (and even better) options. |
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Best Regards,
Matt Grant Sailrite |
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sdowney717 ![]() Forum Member ![]() Joined: 11 April 2017 Status: Offline Points: 17 |
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Updating, the top has stayed together perfectly, survived the winds and the rain and the cold and the heat. Even survived a knockdown when a couple setscrews let loose. I drilled holes into the SS tubing and used bolts now.
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