Waterproofing the exterior is the best solution for wet basement problems as it stops the water coming in rather than managing it when it does come in as is the case for internal waterproofing.
John arrived promptly. He actually called 30 minutes before hand to let me know he was on the way. He answered all my questions clearly and with patience.
Quality of work was excellent considering we got 5 cm of water in 24 hrs, After work was completed