A message your landlord will actually say yes to.
Fill in the blanks, copy it and send it. It works best when you're specific and offer to put things back.
Your message
Hi [name], I'd like to [change] in [unit]. I'll use [product], and I'm happy to restore it to how it was before I move out. Is that okay with you?
Want to see the change first?
Redesign my bedroom free