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12" Membrane Clamping Drain
For membrane underlayment waterproofing. The membrane clamp floor drain establishes a robust seal around the drainage opening so no water can infiltrate the underlying structure or floor.
Free 2026 floor drain catalog
Every drain, cover and trap, plus the part number guide (PDF). Get the catalog
Every drain, cover and trap, plus the part number guide (PDF). Get the catalog
Standard features
- Top plate
- 12" round with solid cover
- Setting ring
- 12 GA, 2.5" below top plate
- Outlet sizes
- 3" · 4" · 6" · 8" (2" on request)
- Outlet pipe
- 4" long — Sch 10 or Sch 40
- Sump depth
- 6.25"
- Material
- T304 or 316 stainless
- Traffic rating
- Forklift — 12,500 lbs*
*Heavy traffic in accordance with ASME A112.6.3 standards.
Basket options
Strainer basket
IncludedOur standard dome-shaped T304 perforated basket with center lift handle, included with standard floor drains.
Perforated wall basket
UpgradeHolds more solids. Fits all floor drains except low profile drains.
Slot wall basket
UpgradeUsed primarily for large debris collection.
Drawings & documents
Need a drawing for your submittal? Request a detail drawing →
Pairs well with
P-traps
Cleanouts
Drain basketsProduct specification
CD12-R-PSS4-MR-30412 x 6" deep with Clamping Ring for use with Waterproofing Membrane underlayments, 12 gauge, all type 304 (CF8) stainless steel industrial floor drain with loose set anti-tilt heavy-duty perimeter drainage cover, 1/2" top plate frame, perforated removable bucket basket with lift handle, pre-sloped bottom sump, and concrete setting anchor ring.
Commercial drain covers
In the food, beverage and dairy industry all floor drain covers should be rated for heavy forklift traffic. Our cover plates are rated for 12,500 lb forklift traffic. All floor drains come standard with basket strainers, with multiple options for cover plates and bar grating.
Related drains
More floor drains
Square Membrane Clamp Drain
Clamping ring for waterproof membranes.
12"×12" TOP · T304 / 316L
12" Round Top Drain
Heavy duty, traffic rated round top.
12" ROUND TOP · T304 / 316L
Round Commercial Floor Drain
Sanitary round drain for kitchens and plants.
12" ROUND TOP · T304 / 316L
Round Low-Profile Drain
2.5" shallow sump for limited depth.
12" ROUND TOP · T304 / 316L
Need a different size or outlet?
Outlets from 3" to 8" (2" on request), side outlets, locking and sealed covers — built to spec.