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Weep Tubes (330)

Part Number: 330

Used to allow moisture to pass from the inside of the wall cavity to the exterior of the wall. TMS402 Masonry Code requires a weep less than 33" o.c.

Features and Benefits

Allows moisture to vent to exterior of the building

Provides easy drainage for full head joint height

Comes in clear, gray, or brown

UV-resistant and tested in conformance to ASTM D2240, D790B, D638 and D1238B.


Rigid vinyl compound meeting requirements of Ethyl 7045.

#330 Weep Tubes

Used for wicking moisture from cavity walls. 

Standard Sizes: 3/8” dia (od) x 1/4 (id) plastic tube x 4” long. 

330STD - Plastic Tube Only
330BS / 330SS - Plastic Tube with Brass or Stainless Screen
330CW - Plastic Tube with Wick
330BSCW / 330330SSCW - Plastic Tube with Wick and Brass or Stainless Screen

Material Specifications 

Plastic: Rigid vinyl compound meeting requirements of Ethyl 7045. 

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