Membrane Clamping Square Top Stainless Drain

For use with Waterproofing Underlayments in Concrete Slabs with drains.

Floor Drains with Membrane Clamp

Underlayment Membrane Clamping drains
USDA Approved


With primary & secondary weep holes.


Membrane Clamping Stainless Drain for underlayments

Foe use with Underlayment

Stainless Steel Floor Drain with Membrane Clamp

Square Top Drain

Concrete Waterproofing

A membrane clamping floor drain is used particularly in waterproofing deck applications. The purpose of a membrane clamping ring is to create a watertight seal around the drainage opening to prevent water from leaking through to the underlying structure or concrete slabs above ground floor level.


Design Key:
  • Top Plate: 12" x12 " Square with Solid Cover
  • 12 Ga. Concrete Setting Ring - 2.5" Below Top Plate
  • Outlet Size - 2" | 3" | 4" | 6" | 8"
  • Dran Outlet (4" L) - Sch 10 or Sch 40
  • Sump Body Depth - 6.25" | 10"
  • T304 Stainless
Added Values:
  • Built to Last a Lifetime
  • 1/2" Thick Stainless Top Plate & Cover (std)
  • Forklift Rated - 10,000# per ASME 112.6.3
  • 12 GA Body - Seamless Spun
  • Sanitary | Non-Corrosive & Heat Resistant
  • T304 or 316 Stainless (Made in USA)

Product Specification:

CD12SMC-FD: 12 x 12 x 6.25" deep with Membrane Clamping Ring & Weep Holes, 12 gauge, all type 304 (CF8) stainless steel square industrial floor drain with loose set anti-tilt extra-heavy-duty perimeter drainage cover, 1/2" top plate frame, perforated removable bucket basket with lift handle, pre-sloped bottom sump, and pre-pour concrete stabilizing anchor ring.

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Drains are USDA approved and known as the industry standard across the United States.

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