FERNCO Donuts are flexible PVC donut-shaped rings for the compression sealing of sewer pipe joints and DWV connections such as sockets, hubs, bells and spigots. They offer all of the properties necessary to create a strong, lasting joint.
Made of elastomeric PVC, is corrosion proof and is unaffected by acid or alkali
Made of elastomeric PVC, is corrosion proof and is unaffected by acid or alkali
Rated for underground use
Compression fitting adapts a service-weight cast-iron hub to SCH 40 and steel
Eliminates the necessity for cement or mortar
Resistant to chemicals, UV rays and fungus growth
Flexes with ground movement for a secure seal
Provides several points of seal to accommodate possible irregularities on-the pipe surface