Drain Fittings

Detail ID 2.0401.3
Topic
Radon
Subtopic
Radon Precautionary Measures
Desired Outcome

Reduce potential for radon to enter the living space through foundation drain penetrations.

SF Single Family Site-Built Housing
MH Manufactured Housing
MF Multifamily Housing

Specifications

  • SF
  • MF
Specification Objective

Seal around the perimeter of all drain fittings that penetrate a concrete slab using urethane caulk or equivalent sealing material

Sealant must not affect the ability of the drain to function and be compatible with the surfaces it contacts

Durable, airtight seals around functional drain fittings

  • SF
  • MF
Specification Objective

Install a one way valve in all untrapped, below grade drain fittings that does not interfere with appropriate drain function

Prevent air infiltration from below grade drains without affecting drain function

Previous Detail:
Sump Well/Pit Covers