Roll out the clay so it forms a flat slab that is about a 1 4 inch thick.
How to make cement roof tiles.
Spoon or pour the wet concrete into the sand impression using enough concrete to fill it completely.
If there are roof battens nail the tiles to them.
Many homes built with these first concrete roof tiles still remain proving their durability.
Make sure to add an extra 1 4 inch in all directions when making your tiles because the drying process will cause them to shrink some.
This is how i cement roof tiles pointing the verge in with two coats of cement the cement i use has black dye mix in it to help match the roof tiles in colo.
The first section of the tiles is cut to size and attached to the roof starting at a lower edge and working up.
Then a concrete mixture is poured spread through the framework and reinforced with steel bars which serve as a kind of skeleton for the cured concrete.
These frames can either be removable concrete forms or stay in place insulating concrete forms which simply become a part of the finished roof.
Otherwise attach the tiles to the roof felt.
Use roof adhesive to fix down the tiles as each one is slid into place and nail the tiles down.
Looking at commercial tiles it looks like all you would need would be a simple slump mold for the cement you could make a sheet of molds out of silicone mold compound so that each one just popped right out without the edges chipping kinda like one of those silicone ice trays if you have ever seen one.
Lift the concrete tile out of the sand and brush loose sand away.
In the middle of the 19th century in bavaria a mixture of cement sand and water was first used to form roof tiles out of concrete.
Consider beautiful long lasting and economical concrete roofing tiles.
You must ensure it is the same type of tile or it may not work and can result in damage even though you ve tried to repair it.
If you don t know what the tile is take a tile with you to a roofing supplier and they should be able to match it for you.
Mix the concrete with water according to package directions in a bucket.