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BOS 277-1:2015 Edition 2.0
P421.80
Materials for thermal insulation of buildings — Part 1: Fibre thermal insulation mats
Description
This Botswana Standard specifies requirements for fibrous insulation (flexible or rigid) materials that may be supplied as mats or batts and used for thermal insulation of buildings. Typical examples of this product are mineral fibre (such as rock wool, glass wool), synthetic fibre (such as polyester fibre) and natural fibres (such as wool). Materials of this type usually exhibit substantial variation in density, thickness, resiliency and thickness regain, after compressed packaging and are therefore not considered as pre-formed shapes. The fibrous mats or batts can be supplied with or without membrane covering(s). The membrane covering(s) can be reflective.
NOTE Fibrous mats or batts supplied with one or more membrane should be tested as a unit.