Mitsubishi Mining Company in Lucerne Valley California had a big problem. The storage silos for their finished cement products had leaks. Water seepage into almost any material is not good and for Mitsubishi it was a huge problem. The leaking water made the powdered cement turn into hardened rock.
In one of the storage silos they were getting a lot of chunks of cement rock. Upon further investigation they found that they had pieces of cement as big as cars inside. They were so big that dynamite and jackhammers were used inside the silo to break them down into smaller pieces before they could be removed
This cost a lot of money as well as down time. They needed a solution that would stop the leaks and also stand up to the harsh environment of the hot desert and mining conditions.
The original concrete deck was irregular. After the deck was primed, 6 gallons per 100 square feet of rubberized emulsion was applied to the roof deck followed by 1 layer of soft polyester. This process was repeated for a total of 2 layers. Using soft polyester allowed for the waterproofing system to mold to the concrete deck avoiding any air pockets or voids. A final coating of 6 gallons per 100 square feet of rubberized emulsion completed this phase of the job.
The original concrete deck was irregular. After the deck was primed, 6 gallons per 100 square feet of rubberized emulsion was applied to the roof deck followed by 1 layer of soft polyester. This process was repeated for a total of 2 layers. Using soft polyester allowed for the waterproofing system to mold to the concrete deck avoiding any air pockets or voids. A final coating of 6 gallons per 100 square feet of rubberized emulsion completed this phase of the job.
Heavy Layer of Cement
Cement Debris
Grinding the Metal
Acu-Shield White Roof Coating
After the rubberized roof cured, Advanced Coating's Acu-Shield acrylic coating was applied at the rate of 2 gallons per 100 square feet. After the acrylic coating dried and cured 1 gallon per 100 square feet of Acu-Flex Hydro was applied. The coating blocks 100% of the suns UV rays and protects the new system from the hot desert sun. It will also stretch along with the rubberized material underneath, giving the roof flexibility.
Once the whole roof system was complete a walking deck was installed to all of the high foot traffic areas.
Upon completion Mitsubishi Mining received a 10-year warranty.
The job came in on time and on budget
Century Roofing has been using rubberized emulsions and acrylics for three generations. We have been combining them with tough polyester reinforcement material for 17 years.
If you have tough, difficult or unusual waterproofing concerns we can help.
May we put three generations of waterproofing know how to work for you?
