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Author Topic:   Perko Clamshell necessity?
mustang7nh posted 09-14-2003 06:32 PM ET (US)   Profile for mustang7nh   Send Email to mustang7nh  
If you keep your drains plugged all the time and need to replace your drains with a new plastic drain 5200'd to the hull, are the Perko's a must? How about if you recess the flange of the pvc a bit in the hull before gluing?

I found the screw holes from them my biggest water intrusion culprits.

Dick posted 09-14-2003 07:56 PM ET (US)     Profile for Dick  Send Email to Dick     
Put the clam shell vents back on. A dab of 4200 or Life Calk on the screw holes before running the screws in will eliminate any water problem.

I would use either 4200 or Life calk rather than 5200 to bed the new drain tube.


doobee posted 09-16-2003 07:23 PM ET (US)     Profile for doobee  Send Email to doobee     
If you don't have a clamshell, water will eventually drive a wedge between the drain tube and whatever sealant you use

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