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Vapour Block

Citrus-based dry drain maintainer that stops drains from drying out eliminating sewer gas odors.

Stop P-Traps from evaporating in areas where there is infrequent use eliminating sewer gas smells and insects. Also for use in drains without a P-Trap.

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Product Information

Do you have bad odors or dangerous sewer gases emanating from your floor drains?

This is usually caused by dry P-Traps. When a drain's P-Trap is functioning correctly it acts as a seal preventing odors and/or potentially explosive methane gases from entering rooms through the drains.

P-Traps typically dry out in remote areas where there is no trap seal primer or it is not functioning correctly. Without a constant supply of water, a P-Trap will eventually dry out leaving the drain fully exposed. 

Trap seal primers are designed to provide a supply of water to replenish P-Trap for drains located in infrequently used areas. In some cases, they are a small piece of tubing which feeds water to the P-Trap when a sink is used or a toilet is flushed.

Without a properly functioning trap seal primer, maintenance personnel has to feed water manually every week or so to prevent the drain trap from drying out.

How to keep drain traps from drying out, hence keep buildings from sewer gas smells?

Easy to use Vapour Block seals in the water located in P-Traps by creating an evaporation resistant floating seal that lasts for extended periods of time. Depending on the humidity level, Vapour Block can last 6 months or more, greatly reducing the amount of maintenance required.

Why using this dry drain maintainer

  • Natural citrus formula
  • Slow evaporation rate
  • Creates a seal in the P-Trap of the drain preventing the water seal from evaporating
  • Prevents sewer gas odors emanating from drains in areas that may not have a trap seal primer or where drains have high evaporation rates

Prevents sewer gas odours from emanating from drains

How to apply it to dry drain traps

For initial treatment:

  • Add sufficient water to fill the "P" trap.
  • Then, add 16oz - 32oz (1L) of Vapour Block to seal in odors and prevent evaporation.

Recommendation for regular maintenance:

2" drains 16 oz
4"+ drains 32 oz
6"+ drains 4 L (1 gallon)

Repeat the above treatment when necessary.


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