Your mailbox is starting to show its age… Revamp your old rusty mailbox with Flex Seal®. Here’s our guide to making your mailbox fresh and strong against the elements: 📪 clean and dry your mailbox thoroughly 📫 shake Flex Seal well and spray 8” to 12” from the surface with a sweeping motion 📭 allow 24 to 48 hours for the product to dry before applying another coat 📬 once dry, apply another coat, repeating this process until all cracks and holes have been filled Share your before and after pic
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