Table 7 Minimum Performance Requirements - Wall Finishes Fire and smoke resistance dependent on fire strategy 1-3 flush / - digit: smooth Acoustic treatment dependant on Acoustic Strategy 9.1.1.9) 9.1.1.9) 9.1.1.9) joints impervious, Smooth performance - Impervious letters: 3 - Jointless digit: second 1 Min reflectance value (LRV) for all walls = 0.5 (50%) - Section Section Section hygrothermal 2 jointless, First Finish impervious Type Area Description Finish (See (See (See Finish Hygrothermal all areas not subject to humid/ wet Type W1.1 general N/A N/A yes normal conditions or high hygiene requirements science laboratories, science prep Type W2.1 science yes N/A yes normal rooms, dining and sandwich areas cleaners stores, kitchen and store humid areas Type W2.2 yes N/A yes humid rooms, toilets, changing rooms, chemical and toilets stores food room, kitchen preparation, MI sick Type W3.2 humid yes yes yes humid bay Type W3.3 wet areas yes yes yes wet showers
Table 7 Minimum Performance Requirements - Wall Finishes First digit: impervious, jointless, smooth second digit: hygrothermal 1-3 letters: - Fire and smoke resistance dependent on fire strategy Finish 1 - Impervious (See Section 9.1.1.9) Finish 2 - Jointless / flush impervious joints (See Section 9.1.1.9) Finish 3 - Smooth (See Section 9.1.1.9) Hygrothermal performance Acoustic treatment dependant on Acoustic Strategy Min reflectance value (LRV) for all walls = 0.5 (50%) Type Area Description Type W1.1 all areas not subject to humid/ wet conditions or high hygiene requirements general N/A N/A yes normal Type W2.1 science laboratories, science prep rooms, dining and sandwich areas science yes N/A yes normal Type W2.2 cleaners stores, kitchen and store rooms, toilets, changing rooms, chemical stores humid areas and toilets yes N/A yes humid Type W3.2 food room, kitchen preparation, MI sick bay humid yes yes yes humid Type W3.3 showers wet areas yes yes yes wet
Annex_2D_Int_elements_and_finishes__Technical_Annex_.docx