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Quick Details

  • Place of Origin: Japan
  • Brand Name: Weep hole
  • Model Number: Series G
  • Material: ABS
  • Length: Piacere
  • Standard: Company standard
  • Type: Other Plastic Building Materials

Packaging & Delivery

Packaging Details Standard safe packing or upon your request
Delivery Time Within 2week after the order confirmation


1.Contribute to Reduction of Water Pressure
2.Reuse of Rain and Ground Water
3.Reasonable price

WEEP HOLE , drainage pipe with flap valve , consists of PVC pipe and socket with rubber valve.


 Feature 1   Contribute to Reduction of Ground water pressure

   If the ground water level of back side of retaining wall is high ,

   retaining wall require drainage (drain pipe)  to protect walls from uplift 

   due to byoyance force of ground water.


 Feature 2   Reuse of Rain water and Ground water

   It is possible to impound the irrigation channel or farm pond with using weep hole.

   Ground water and rain is a gift from the earth , In the area of  lacking in water

   It is very useful for farmer.








 ♦ Ground water from back side of concrete wall goes out to the channel through pipe.


 ♦ Rubber flap valve does not allow the water to flow back into drainage pipe. 





  ♦ It is not applicable where there are many trash or floating substances around.

  ♦ It is not applicable for ocean.

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