How much should a young man's inclination be to a roof to prevent rainwater intrusion?

Inclination_sizes_for_a_young_man's_work#
How many miles should be for a young man of form per meter to prevent rainwater from stopping at the roof?
A practical explanation of the answer to what is the percentage of inclination for the work of a young form to prevent rainwater from leaking from the ceiling
A practical explanation of how the young man of form B Milan works, suitable for installing glaze on the roof to prevent rainwater intrusion
Explanation of what equipment we need to work for a young form
Take the measurements correctly to make a suitable young man with a Milan to prevent rainwater from leaking from the ceiling
The glaze professional explains a practical explanation of how a young man works in a correct manner without cracks and without cracks to install the glaze on top