3.1302.1 Floor Framing—Bay Window

Topic: 
Floors
Subtopic: 
Floor Framing
Desired Outcome: 
Floor/framing around bay windows sealed and weathertight
TitleSpecification(s)Objective(s)
3.1302.1a
Work assessment

Installer prework assessment will be conducted to determine:

  • Accessibility
  • Number
  • Type
  • Size
  • Operating condition
  • Condition of opening
  • Wall construction type

Ensure work space is safe and ready for air sealing

Verify scope of work

3.1302.1b
Lead paint assessment

Presence of lead-based paint in pre-1978 homes will be assumed unless testing confirms otherwise; documentation of testing results will be kept on file

EPA EPA U.S. Environmental Protection Agency, www.epa.gov 's Renovation, Repair and Painting ( RRP RRP Renovation, repair, and painting ) Program Rule (40 CFR Part 745) in pre-1978 homes and proposed changes to this rule (Federal Register/Vol. 75, No. 87/May 6, 2010) will be complied with, to be superseded by any subsequent final rulemaking or any more stringent state or federal standards

Protect worker and occupant from potential lead hazards

3.1302.1c
Air infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope

Details that reduce air infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope will be repaired, replaced, sealed, or installed

Bay window floor framing that connects interior to exterior underpinning and insulation must be removed to seal gaps, cracks, and joints

Blocking must be installed on perimeter rail (rim joist) if missing

Seal all gaps, cracks, and joints of all framing in bay window assembly

Insulation must be replaced or installed in full contact with subfloor

Underpinning will be replaced and sealed

Reduce air infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope

3.1302.1d
Water infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope

Details that reduce water infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope will be repaired, replaced, or installed

Reduce water infiltration Infiltration The uncontrolled passage of outside air into a building through unintended leaks in the building envelope

3.1302.1e
Materials

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

Ensure proper use and installation of materials