PTB – Physikalisch-Technische Bundesanstalt

Floors: Wood

Floors, wood

Floors, wooden floor on joists (CATT: WOOD_FLOOR2)

Wooden floor on joists (Odeon)

Floors, timber floor on timber joints

Floors, wooden floor in asphalt on concrete

Wooden floor, fixed to substrate

Wood ceiling, 2 layers, 28 mm w/lighting & ventilation

Wooden ceiling, smooth and without cracks

Wood floorboards on air cavity

6 mm wood fiber board on laths, cavity >100 mm deep

Walls, 8 mm wood veneer on 50 mm studs

As above: 50 mm cavity with 50 mm mineral wool

As above: 75 mm cavity with 25 mm mineral wool at front of cavity

22 x 100 mm boards with 10 mm gaps, over 50 mm cavity with glass mat in front of mineral wool

Floors, wood parquet in asphalt on concrete

Floors: Wood parquet in asphalt on concrete

Floors, wood parquet on concrete

Wood panel on wood battens

Walls, 16 mm wood on 40 mm studs

Wood, 19 mm, over 25 mm compressed fiberglass, screwed to 150 mm concrete block

Wood sidewalls, 1 layer, 12 mm with doors & lighting

Chipboard on furring with air cavity

Chipboard on battening with mineral fiber

Chipboard on sub-frame with mineral fiber backing

Chipboard type FP/Y, 25 mm, 30 mm wall distance

Chipboard Type FP/Y on battening

Chipboard, 8 mm, backed with 20 mm mineral fiber panel

Wooden chairs without upholstery

α per m² audience area

Wood boarding with open joints, 5 cm air cavity

16-22 mm wood facing (tongue-and-groove or rabbeted) on frame over 50 mm cavity filled with mineral wool

Wood paneling, 3/8 to 1/2 inch thick, mounted over 2 to 4 inch air space

Wood facing in front of air cavity

Wooden bracing with 5 cm blanket in front of 10 cm air cavity

Walls, wood, 25 mm with air space

50 mm wood-wool set in mortar

Hunter Douglas Luxalon 130 B aluminum panel with mineral wool, spacing 160 mm

Hunter Douglas Luxalon 130 B aluminum panel with mineral wool, spacing 200 mm

Hunter Douglas Luxalon 130 B metal panel with fiber absorber

Hunter Douglas Luxalon 130 B perforated aluminum panels

Hunter Douglas Luxalon 130 B perforated aluminum panels (series 2)

Luxalon 132 B fiber absorber on aluminum panels, non-perforated

Hunter Douglas Luxalon 132 B fiber absorber on metal panels

Hunter Douglas Luxalon 150 C perforated aluminum panels

Hunter Douglas Luxalon 180 B aluminum panel with mineral fiber

Hunter Douglas Luxalon 180 B perforated aluminum panels

Hunter Douglas Luxalon 180 B perforated aluminum panels with acoustic non-woven

Hunter Douglas Luxalon 180 B perforated aluminum panels with mineral wool