STP1030

    Field Data on Settling in Loose-Fill Thermal Insulation

    Published: Jan 1990


      Format Pages Price  
    PDF Version (124K) 6 $25   ADD TO CART
    Complete Source PDF (14M) 6 $104   ADD TO CART


    Abstract

    Blown loose-fill thermal insulation was introduced to Sweden in the late 1970s and has become more common since then. Today loose-fill insulation is used especially for attics, both as insulation in new building production and as additional insulation in older buildings. Loose-fill insulation is mainly manufactured from mineral wool and cellulosic materials.

    As users of loose-fill thermal insulation know, this insulation type can settle, which means that it will compress. It is of great importance to know the long-term behavior of the insulation thickness, so as to be able to estimate the insulation capacity during the lifetime of the structure.

    This paper reviews a field study of settling in loose-fill thermal insulation performed by the National Swedish Institute for Building Research. The study is confined to the use of loose-fill insulation for horizontal structures and formed part of a wider project in which a laboratory study also was performed.

    In the field study both mineral wool and cellulosic loose-fill materials were investigated. The loose-fill materials were blown on several test attics, and settling was measured during one year within the project. The paper presents results of settling after three years in practice.

    Keywords:

    loose-fill insulation, settling, attics


    Author Information:

    Svennerstedt, B
    Civil Engineer, The National Swedish Institute for Building Research, Gävle,


    Paper ID: STP23310S

    Committee/Subcommittee: C16.23

    DOI: 10.1520/STP23310S


    CrossRef ASTM International is a member of CrossRef.