Protects Patio Doors From The Sun
Yes,sun stains are a real thing on glass doors. Whether it’s from dried water or just too much sunlight, you want your doors to allow all the sun in that they can. It’s as simple as spray and wipe.
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Lubricating Metal Hinges
My grandmother left us a gorgeous vintage cabinet. The problem was that the hinges on the doors were starting to creak and crack. Someone suggested WD-40, and we’ve never looked back!