Specification History

SWS Version Created Specification ID Title Specification Objective Supporting Materials Rationale Status
Version 2025 09/24/2023 - 17:15 4.0402.3f Installation

Install insulation to prescribed R-value in a continuous layer in full contact with the foundation wall using a pass thickness maximum in accordance with manufacturer specifications

Install SPF to a thickness of at least a class II vapor retarder

Continuous thermal barrier which prevents air and moisture vapor movement

We concur with the suggested change. This comment also addresses the same issue as comments made in 4.0402.4e. Red Line
Version 2020 08/14/2020 - 14:25 4.0402.3f Installation

Install insulation to prescribed R-value in a continuous layer in full contact with the foundation wall from ceiling to floor using a pass thickness maximum in accordance with manufacturer specifications

Install SPF to a thickness of at least a class II vapor retarder

Continuous thermal barrier which prevents air and moisture vapor movement

Black Line
Version 2020 08/14/2020 - 14:25 4.0402.3f Installation

Install insulation to prescribed R-value in a continuous layer in full contact with the foundation wall from ceiling to floor using a pass thickness maximum in accordance with manufacturer specifications

Install SPF to a thickness of at least a class II vapor retarder

Continuous thermal barrier which prevents air and moisture vapor movement

Black Line