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If you require an immediate response, please call 888-DAP-TIPS (888-327-8477) or contact us through our Zendesk Chat function (located in the bottom right-hand corner of any page on our website) during normal business hours to chat with one of our onsite Technical Customer Service Representatives.Be sure to read our Frequently Asked Questions page for instant responses to questions like "which caulks and sealants are the most flexible?" or "what adhesives are best to use for installing tub surrounds?"