neu wrote:
dougrainer wrote:
For a crack like that, I remove the old sealant. I then inject URETHANE windhield gasket sealant in the hole to fill the gap. Then use the Dicor over the top. Doug
https://www.amazon.com/Tubes-Dow-Sealant-Adhesive-Urethane-Primerless/dp/B01DJKME0Q/ref=sr_1_12?hvadid=409942333383&hvdev=c&hvlocphy=9027230&hvnetw=g&hvqmt=e&hvrand=3659331111487500056&hvtargid=kwd-1102908166&hydadcr=24659_11410797&keywords=urethane+sealant&qid=1681135709&sr=8-12
Thank you, Doug. Am I understanding correctly that I need to remove this sealant (highlighted in green in the picture)? How should I best do it? Just cut it with a knife?
What are the benefits of using automotive glass sealant to fill cracks like the one I have? It sounds like something from a completely different field of application.
Urethane(USE LATEX GLOVES) is extremely adhesive and does not run like Dicor or silicone. The Urethane will easily fill the void under the crack and ooze out. wipe the excess smooth, let dry(4 to 6 hours) then cover the existing edge with Dicor. YES, use a knife or putty knife to remove the existing Black sealant. Make SURE it is clean and no moisture when applying the Dicor. Use masking tape around the outer edges to prevent any possible run off and then having to clean up that run off. Doug (44 years as a RV tech).
