How To Caulk A Narrow Gap In Inside Corner Between Walls Or How to seal A Narrow Gap In Inside corner can be difficult but using the pro caulk tools make it easy with a pro results.
Tools and Material used:
Pro Caulk = https://amzn.to/2G6GKQj
GE Silicone white = https://amzn.to/2HLKAiO
Painter's tool = https://amzn.to/32oJpQg