3.1101.3 Holes, Penetrations, and Marriage Line

Topic: 
Walls
Subtopic: 
Manufactured Housing Walls
Desired Outcome: 
Penetrations sealed to minimize air leakage and moisture movement between unconditioned and conditioned space; all repairs to maintain structural integrity
TitleSpecification(s)Objective(s)
3.1101.3a
Work assessment

Installer prework assessment will be conducted to determine:

  • Structural integrity
  • Insect infestation
  • Accessibility
  • Number, type, size, and location of penetrations
  • Identify marriage walls and lines

Ensure work space is safe and ready for air sealing

Verify scope of work
3.1101.3b
Marriage wall air sealing of holes and penetrations

All accessible holes and penetrations in top and bottom plates will be sealed

Backing or infill will be provided as needed to meet the specific characteristics of the selected sealant and the characteristics of the penetration

Minimize air leakage

Maintain durability

Ensure resulting closure is permanent and supports expected wind and mechanical pressure loads

Ensure sealant is effective and durable
3.1101.3c
Marriage line air sealing

All accessible holes and penetrations at marriage lines will be sealed continuously at end walls, floors, and ceiling

Backing or infill will be provided at the marriage line as needed

All remaining gaps will be sealed with an approved material

Minimize air leakage

Maintain durability

Ensure sealant is effective and durable
3.1101.3d
Materials

Materials will be used or installed in accordance with product manufacturer specifications

Select materials to ensure durable and permanent repair