Internal Seals

Donuts
Donuts

Sewer pipe compression joint sealers With the most comprehensive line-up of compression joint sealers, Fernco Donuts are known for creating a strong and lasting joint. Our flexible-PVC rings are an industry staple for the sealing of sewer pipe joints and DWV connections such as sockets, hubs, bells and spigots.

O-Rings
O-Rings

For connecting most 4” house pipe to 6” sewer pipe. O-Rings provide a quick, simple solution to securing connections between most 4” house pipe and 6” sewer pipe.

Concrete Manhole Adapters
Concrete Manhole Adapters

Improves seals when pipes are grouted into concrete structures Concrete Manhole Adapters (CMA’s) are flexible enough to permit lateral pipe movement without destroying seal integrity. It is additionally useful for pipe to which concrete will not adhere, such as plastic pipe.

Multi-Tite Pipe Gaskets
Multi-Tite Pipe Gaskets

Specifically designed for connecting service weight pipe hub to service weight pipe spigot. Multi rings aid in an easy installation.

Wax Free Toilet Seal
Wax Free Toilet Seal

A strong and flexible to sustain a positive seal. Ideal for wall carriers and floor mounts. Accommodates floors raised above the toilet flange by up to 3/4". Maintains a gas tight seal even when minor movement occurs. Fast, easy installation for a long-term solution.

Wax Free Urinal Seal
Wax Free Urinal Seal

Leave it for Fernco to develop a fast, easy, leak-proof urinal seal. Reusable on the same urinal during service. Strong, flexible adhesive that creates a positive seal. Engineered to seal to the inside diameter of the drain pipe. Forms a water tight, gas tight and odor tight seal. Made of flexible PVC to move with the urinal. Impervious to mold and mildew.

Large Diameter Waterstops
Large Diameter Waterstops

For sewer pipe that is 8.5” and larger. Large Diameter Waterstops are flexible enough to permit lateral pipe movement without destroying seal integrity. It is additionally useful for pipe to which concrete will not adhere, such as plastic pipe.

Internal Pushfit Couplings
Internal Pushfit Couplings

Internal Pushfit connection for 4" / 6" Sewer Pipe and DWV Connections. Ideal for above and below ground sewer & DWV vertical and horizontal applications. No tools required. Can be installed in 30 seconds or less. Install in sheared off pipe where standard couplings cannot be used. No need to expose external surface of pipe. Can be removed and re-used. Watertight connection on any pipe material.

Puddle Flange
Puddle Flange

Prevent leaks around pipelines penetrating poured concrete walls, floors, shafts, tanks, pools, manholes, and structures. Designed to prevent leaks around pipelines penetrating poured concrete walls, floors, shafts, tanks, pools, manholes, and structures. The unique flexible design bonds to concrete and compresses during the pour and curing process providing a leak proof seal against water and gas.