brenlin seal-r septic cover top view

42″ Seal-R® Cover

This Seal-R® Septic Cover is 42″ in diameter and matches extra-large septic riser applications. The cover is designed to fit the corresponding dual-wall corrugated riser pipe size, with a gasketed seal and predrilled hole pattern engineered for secure attachment.

The Seal-R® Cover is the ideal cover for plastic dual-wall riser pipe. It is GREEN in color, sturdy, lightweight, and installs quickly using 4″ stainless steel lag screws (included w/cover) in pre-formed holes.  The Seal-R® Cover has a gasket to prevent groundwater entry.  A Seal-R® Cover will allow rapid access for servicing at a later date without back-breaking lifting.

  • Product Size: Also available in 12”, 15”, 18”, 24”, 30”, 36".
  • Fits: 42" dual wall corrugated pipe
  • Cover OD: 46"
  • Weight: 50 lbs
  • Gasket: sits at 42" OC
  • Predrilled Holes: 8
  • Item Code: 42L

Please request a quote for current pricing. Bulk pricing is available.

brenlin seal-r septic cover top view

Seal-R® Covers are the ideal septic covers for plastic dual-wall riser pipe. Built as a standalone cover or specified as part of a complete Seal-R® riser system, these standard diameters support residential, commercial, and specialty septic configurations.

Need help determining the right size?

Contact us directly to help you select the correct cover diameter based on riser dimensions, tank configuration, and installation requirements.

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