Hi Henk, When you need to transport heavy thinks try to rent such a device. >> https://www.youtube.com/watch?v=iMAIv3fRSOM https://www.youtube.com/watch?v=duaOQJMWDJg >> I was able to bring all my heavy stuff in the basement with them. Has cost me 60Euro for a day and it was very very easy to handle. Many Greetings Ulrich