LABSS Information Paper INFOP01 2015 Version 1 - Smoke Detection in Existing Dwellings 20.02.2015 LABSS considers that where smoke detection and alarm systems are installed within unaltered dwellings the installation is accepted as being an improvement. LABSS Information Paper INFOP01 2015 Version 1 - Smoke Detection in Existing Dwellings121.94 KB File infop01-_2015_version_1_section_2_fire_-_scottish_gas_upgrading_programme_20_02_2015.pdf121.94 KB