Categories > Wall collars puddle flange

Puddle Flanges - Pipe Collars

Pipe through wall sealing

Puddle Flanges attach around the pipe and are cast in a puddle-flange-cast-in-pipe-sealsconcrete wall. Puddle Flanges seal around the outside of the pipe.

Pipes passing through concrete will not bond to the concrete and water can pass along the external surface of the pipe. Puddle flange seal rings prevent this water creep around the outside of the pipe into the building.

Foundation Walls, Pool Walls, Floor Slabs are made watertight with a puddle flange attached to a penetrating pipe or sleeve. EDPM Puddle Flanges fit all American and International pipe sizes

Puddle flanges are easy to install sealing systems and used on all pipe types.

Request a quote from Westatlantic - 902 455 4455.

EDPM puddle flanges material:


Puddle flanges are EDPM wall collars with raised profile ridges creating a bond profile with the concrete.

The thick EDPM seal is compressed during the pouring process and relaxes into possible concrete shrink cavities during drying, maintaining the integrity of the seal.

Thick EDPM rubber disks units are pressure-tight up to 145 psi (10 bar). The rubber density is 1030 Kg/m cube with a tensile strength of 8/N/mm square. They prevent water creep along the pipe exterior into a building structure.

EDPM puddle flange 316L stainless steel tightening bands firmly attach the puddle flange to the pipe before casting in the wall.



EDPM puddle flanges are used when using a PVC pipe as a wall sleeve. Plain PVC Wall sleeves should not be cast in a wall unless a EDPM puddle flange waterstop is used. The puddle flange will prevent leakage along the outside of the wall sleeve into the building.

When a pipe passes into a building through any type of wall sleeve or cored opening, a modular seal with a visual tightening window., should be used to seal the annular space around the pipe and the opening.



EDPM Puddle flanges Watertight

They may set in a floor slap to waterproof pipes that are installed through the floor.

Applications for: Foundations, Pools, Tanks and Manholes.

EPDM rubber material is resistant to a wide range of acids and chemicals. It also offers outstanding weather and ozone resistance.

Puddle Flanges with NBR rubber material for Oil/Gas applications are available. Stainless steel pipe clamping bands are part of the puddle flange kit.

puddle-flanges-pipr-sealsTight against pressurised media up to 10 bar.
Fast to install, Suitable for all pipe and conduit materials with
Stainless steel strap fasteners.


 For American pipe sizes request quotes in inches: Quote request

Download sizing chart for 1/2 inch to 12 inch pipe

Sizing Chart for Puddle Flanges

Download installation brochure:

Download Specification Info:

Download data sheet

Contact us: Westatlantic Tech Corp, 902 455 4455

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