Sima's Locksmith Brooklyn, NY - Patio Door Lock Replacement A patio is a welcome addition to any home, but it can also be one of the least secure spots. Sometimes, you just don’t have what you need to keep it locked up. Call Sima's Locksmith Brooklyn, NY and they can look at what your current situation is. Then, we will work with you so that you can find a patio door lock replacement that meets your needs and whatever budget that you may have in place as well. Look at what’s out there and be happy with the lock that you end up investing in as well.