They calculated 21 tons of nitrogen oxides would be eliminated daily if tiles on one million roofs were coated with their titanium dioxide mixture.
Roof tile mixture.
Metro dade project number 11 1222 07.
The most common cause for broken tiles is careless walking.
The correct mix ratio is 3 parts sand to 1 part cement this is much stronger than bricklayers use 5 1 as the cement on the roof must withstand more driving rain than a typical brick wall.
Cost savings from tile roofs and their roi.
Oldcastle sakrete roof tile mortar mix is a mixture of high strength masonry cement and sand.
Mortar mix designed for installing flat low and high profile clay and concrete tile on roofs over granular roofing paper or other approved underlayment materials approved for use in the hvhz high velocity hurricane zone exceeds the performance requirements of astm c 270 for type m mortar.
A tile roof is an energy efficient money saving insulator.
The liquid latex is the secret ingredient that gives the mortar its strength.
They also calculated it would cost only about 5 for enough titanium dioxide to coat an average sized residential roof.
Broken tiles need to be professionally repaired so if you need to walk around on your tile roof learn how to do it properly.
For a 12 5 lb 5 7 kg batch of mortar stir in about 0 125 us gal 0 47 l of the additive using a paddle mixer.
Without it you get a stiff mixture that doesn t stick to tile.
Mix the mortar well so the additive gets evenly distributed throughout it.