Lap sealant is ok to apply over lap sealant as long as it’s still secure, just cracked. But if you don’t know what the old stuff is, better to remove it all first. Silicone was used for a long time. Nothing sticks to dry silicone, not even new silicone.
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2007/21 TM 3326 (Pride of the Fleet)
2000 2720SL (Rebuild Project)
2002 2619 (Parts TM)
SMARTER THAN GOOGLE!
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