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Roof Types

  • Asphalt
  • Hot Mop
  • Mod Bit
  • EPDM Concrete
  • TPO (needs to be atleast 10 years old)

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FAQs

Q: Why is EPDM Liquid Rubber the Best Choice For Roof Leak Repair?
A: EPDM Rubber has been used in sheet form for more than 30 years. It is probably the most durable roofing product ever developed. Liquid Rubber is nearly identical chemically to the sheet EPDM but with the distinct advantage of being liquid. EPDM is unique among rubbers in that it is ultra violet and ozone stable; it has superior water resistance; and can tolerate extreme cold to minus 62 degrees F. as well as heat exposures exceeding 300 degrees F.

Q: What Is EPDM Rubber ?
A: EPDM is a synthetic rubber polymer made from ethylene and propylene monomers. It was developed in the early 1960's and is used in radiator and steam hoses, freezer gaskets, tires, roofing membranes and aircraft seals to name only a few applications where EPDM is superior to other materials.

Q: What is Epdm Liquid Roof/Liquid Rubber?
A: Liquid Roof is a liquid version of EPDM rubber. It cures by chemical reaction at ambient (ordinary) temperatures to form a flexible rubber membrane. A pre measured catalyst is added to the rubber compound before application. The liquid form makes it possible to apply EPDM rubber to many materials regardless of their shape.

Q: What equipment is needed and how is Liquid Roof/Liquid Rubber applied?
A: Equipment :
Quart and Gallon containers
3/8 inch electric drill
Gallon mixing shaft
Short nap roller (6 inch)
brush
rubber edged squeegee
masking tape
paint thinner for clean-up

Four and five gallon pails
1/2 inch electric drill
Pail mixing shaft
rubber edged squeegee
Short nap roller (6 inch)
brush
masking tape
paint thinner for clean-up

Application procedure
1) Incorporate supplied catalyst using drill and mixer shaft by following label directions. Let stand at least 1/2 hour before using.
2) Apply masking tape to perimeter of roof or wherever straight edges are desired. Tape can also act as catch basin for sags if only one edge is attached to roof and rest is formed into shape of a gutter.
3) Pour some material on roof and use squeegee to distribute over surface. Follow with roller to even out the wet film. The product will self level. Use brush around vents, ladder, and antenna. Brush and roller marks will disappear when sufficient material is applied. Work from front to rear.
4) Masking tape should be left on until rubber is solid enough to be touched.
For Further Detail Click Here

Q: How Long will it take for the Liquid Roof/Liquid Rubber to cure?
A: Cure time is controlled by temperature. At 70 degree F. and above it will take approximately 14 hours for the rubber to feel solid to the touch. Heavier films may take longer. The lowest temperature at which any cure takes place is 55 degree F. At that temperature it would take 3-4 days for the rubber to feel solid to the touch if the wet film was not more than 35 mils. Thick films take longer to cure.

Q: Must the air/ surface temperature be above 55 degree F. before can be applied?
A: No, but temperatures above freezing are preferred for physical comfort. Liquid Roof/Liquid Rubber will waterproof as soon as it is applied but no cure will take place until the temperature exceeds 55 degree F.

Q: What effect does high relative humidity or freezing temperatures have on Liquid Roof/Liquid Rubber?
A: Liquid Roof/Liquid Rubber can be applied under high humidity conditions as long as the roof is dry and its temperature is above the dew point. The solvent evaporation is governed by temperature only and is not influenced by relative humidity. If the temperature drops below freezing after it has been applied no damage will result. The rubber will slowly stiffen as the solvent evaporates and begin to cure when the temperature exceeds 55 degree F. The ultimate physical properties of the EPDM rubber membrane will always be the same regardless of the length of time needed to reach the full cure stage.

Q:: How much time is available to work with it after the catalyst has been mixed in?
A: On a hot day (above 80 degrees F. the working time will be approximately four hours until the rubber becomes noticeably thicker and more difficult to apply. Working time is considerably longer at lower temperatures. The rubber will thicken faster in direct sunlight and when liquid level is low in the container scrape liquid from sides. Put container in a cool place when longer working time is needed.
If material is refrigerated (below 50 degrees F.) after catalyst was added it can be saved and used even weeks later.

Q:: How to do winter time Maintenance?
A: Roof repair seems to come to a grinding halt during the winter months. Some people grab the tar and plug the hole so to speak. With tar products it is simply plugging since asphalt cannot stick to a wet roof/surface. Asphalt is made from petroleum and animal pigment. When the petroleum evaporates the asphalt will begin to crack. During the hot summer months it melts, sticks to your shoes, and evaporates. Asphalt emulsions are cheap but end up cracking the same way. White coatings purchased in stores are also generally cheap and will simply not dry during the cold winter months and you can experience substantial wash off during application on roof.