Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2025 09/24/2023 - 17:14 4.0402.4e Installation

Install insulation to prescribed R-value in full contact with the foundation wall

If insulation has a vapor retarder on only one side install it facing the conditioned space

Contiguous and continuous thermal barrier

We have used this language to address both requests for changes to this specification. Red Line
Version 2020 08/14/2020 - 14:25 4.0402.4e Installation

Install insulation to prescribed R-value in full contact with the entire perimeter of foundation wall from ceiling to floor

If insulation has a vapor retarder on only one side install it facing the conditioned space

Contiguous and continuous thermal barrier

Black Line
Version 2020 08/14/2020 - 14:25 4.0402.4e Installation

Install insulation to prescribed R-value in full contact with the entire perimeter of foundation wall from ceiling to floor

If insulation has a vapor retarder on only one side install it facing the conditioned space

Contiguous and continuous thermal barrier

Black Line