"I found ABIS in the Yellow Pages and when I phoned them they were very helpful with their explanations and answers to my questions. The girls, especially Maria and Lindsay, were very helpful as I had to change the appointment several times. They were very patient. My inspector was great. He was very thorough, explained everything, and again, was very patient. I am very pleased to recommend ABIS."
Rake is the pitch of the stairs - i.e. the angle between the pitch line and the horizontal where the Pitch Line is the notional line connecting the nosings of all threads in a flight of stairs.
This term also applies to the slope of the roof.
