Why The Roof Doctor? Why is Roofing Insulation & Re-Roofing in Gauteng Necessary? There is a more complicated way to address this question, but let’s simplify things. Just like a bouncer who filters those who enter and exit a club, roof insulation does something similar. It prevents the exit of warm air during the winter and the entrance of warm air during the summer. The Roof Doctor Gauteng Gauteng, South Africa Phone: 082 853 1155 https://local.google.com/place?id=14783340895382630668&use=posts&lpsid=5377696851429869898