A normal walk is not generally the best approach upon a tile roof.
How to walk on spanish tile roof.
I find defects with 85 of the concrete tile roofs i inspect.
Instead transfer your weight gradually as you walk and curve your step with the arc of the tile as it falls.
Walk on the balls of your feet to reduce the pressure on the tiles.
Clay tile is almost impossible to walk without damaging breaking tiles unless you weigh less than 100 lbs however if you must walk the roof the best method is as in picture 1.
Also you need to step where the tiles lap eachother toward the lower edge of the tile.
Apply pressure to the ball of your foot when you step on the tiles so you re less likely to damage them.
Essentially with each step place the heel of your foot in the gap between tiles roll the arch over the tile and end up with your toe in the next gap.
If you choose to perform the task yourself it is recommended to step at the bottom three inches of the installed tile when walking along your roof.
When choosing a home inspector ensure they will walk on the concrete tile roof.
Image showing how concrete tiles are installed on a roof.
This section is supported by the lapped tile beneath it and the weight is then transferred to the deck below.
I show how to walk on clay roof tiles.
Most concrete tiles are lifted a little off of your roof and sit on wood batten strips creating a gap under the tiles for ventilation.
Since the heels are usually the thickest part of your shoe they are more likely to break your tiles when you step on them.
When you walk on your roof make sure you are walking on the reinforced part the lower third of the visible tile.