Help need a way to waterproof a board

I have no idea where to ask and I cant find a way to waterproof a board , I have seen videos only of sum liquid you can brush on and make it water proof but don't know where

the board wont be under water but water can rain on it so would like to coat it to stop it failing after I clean it

thanks for any guidance

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michaelkellett over 5 years ago in reply to craigst +7

You could paint it with several coats of conformal coating, check out Humiseal. Farnell have quite a range of other products. (Watch out, many use toxic solvents.) Pick the one that suits your device best…
jw0752 over 5 years ago +6

Hi Craig, When they really want to protect electronics they POT the circuit which is basically encasing the whole thing in epoxy or some other substance like acrylic. This is often done for automotive…
phoenixcomm over 5 years ago +6

craigst potting SUCKS we used it in the military :{ why not just get a small waterproof box with a latching lid, I have on for my ultrasonic parking detection thing just under my front bumper. No-Fuss…

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clem57 over 5 years ago

There is a difference between waterproofing and water resistance. Check https://waterproofingelectronics.com/ which says water proofing, but when I read further it is resistance against accidental water. Oops, do not completely stick into water! Good luck craigst and read carefully...
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craigst over 5 years ago in reply to clem57

thank you yea water leaked in to my beacon bar when it rains they fail completely till it stops , so going to clean - reseal and all extra protecting to prevent it failing need my beacons or I die
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craigst over 5 years ago in reply to clem57

thank you yea water leaked in to my beacon bar when it rains they fail completely till it stops , so going to clean - reseal and all extra protecting to prevent it failing need my beacons or I die
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