Summary
Twin Frame: EI120 | 65dB | Severe Duty
Twin Frame: EI120 | 65dB | Severe Duty
Application
Twin frame plasterboard partition system typically used to divide habitable dwellings.
Twin frame plasterboard partition system typically used to divide habitable dwellings.
Description
The Knauf Isolator system is typically used to divide habitable dwellings. The twin stud build up, combined with Knauf’s high performance plasterboards, maximises acoustic performance in order to comply with building regulations, technical handbooks and guidances for sound insulation.
The Knauf Isolator system is typically used to divide habitable dwellings. The twin stud build up, combined with Knauf’s high performance plasterboards, maximises acoustic performance in order to comply with building regulations, technical handbooks and guidances for sound insulation.
Product certifications
Digital objects
Material
Gypsum, Metal, Glass mineral wool
Gypsum, Metal, Glass mineral wool
Shape
Rectangle, Other, Square
Rectangle, Other, Square
Width
Bespoke
Bespoke
Height
Bespoke
Bespoke
Specification
Framing
Twin (double) Knauf 70 'C' (0.55) at 600 mm centres to suit maximum height.
Head channel: Knauf 72 Deep Flange 'U' Channel (0.70) (70 mm deep flange).
Floor channel: Knauf 72 'U' Channel (0.55).
Twin (double) Knauf 70 'C' (0.55) at 600 mm centres to suit maximum height.
Head channel: Knauf 72 'U' Channel (0.55).
Floor channel: Knauf 72 'U' Channel (0.55).
Insulation
2 x 25 mm Knauf Insulation Acoustic Roll (insulation installed between each stud frame).
2 x 25 mm Knauf Insulation Acoustic Roll (insulation installed between each stud frame).
Linings
2 x 15 mm Knauf Soundshield Plus to the outer side of double studs.
2 x 15 mm Knauf Soundshield Plus to the outer side of double studs.
Fasteners
Inner layer (each side): 25 mm Knauf Performance Plus screws.
Outer layer (each side): 45 mm Knauf Performance Plus screws.
Inner layer (each side): 25 mm Knauf Performance Plus screws.
Outer layer (each side): 45 mm Knauf Performance Plus screws.
Joint treatment
Horizontal joint: Knauf Flat Fixing Plate (to be applied behind outer layer plasterboard).
Horizontal joint: Knauf Flat Fixing Plate (to be applied behind outer layer plasterboard).
Finish
System must be taped and jointed using Knauf Joint Filler (Premium) or Knauf Joint Cement Premium and Knauf Joint Tape (Paper). Or alternative Knauf jointing compounds manufactured to EN 13963.
Knauf Wallboard Primer applied once taping and jointing completed.
Prior to where paint decoration is required. For preparation for decoration of where gypsum plaster skim is required, the outer layer of plasterboard joints is required to be taped and filled, using Knauf Joint Filler (Premium) and Knauf Joint Tape (Paper) meeting quality level 1 in accordance with Eurogypsum - Drywall Jointing & Finishing - Surface quality level classification.
For application where gypsum skim finish is required, the Knauf system is to be taped and filled using Knauf jointing compounds.
System must be taped and jointed using Knauf Joint Filler (Premium) or Knauf Joint Cement Premium and Knauf Joint Tape (Paper). Or alternative Knauf jointing compounds manufactured to EN 13963.
Knauf Wallboard Primer applied once taping and jointing completed.
Prior to where paint decoration is required. For preparation for decoration of where gypsum plaster skim is required, the outer layer of plasterboard joints is required to be taped and filled, using Knauf Joint Filler (Premium) and Knauf Joint Tape (Paper) meeting quality level 1 in accordance with Eurogypsum - Drywall Jointing & Finishing - Surface quality level classification.
For application where gypsum skim finish is required, the Knauf system is to be taped and filled using Knauf jointing compounds.
Execution
Consult manufacturer's literature at
https://www.knauf.co.uk/our-services/resources
Consult manufacturer's literature at
https://www.knauf.co.uk/our-services/resources
Additional properties
Deflection head
For deflection head allowance of up to -25 mm or ±12.5 mm, use 2 x 19 mm Knauf Coreboard fillets.
N/A.
Fire resistance
EI 120 tested in accordance with BS EN 1364-1.
EI 120 tested in accordance with BS EN 1364-1.
Sound insulation
65 dB (Rw) when tested to BS EN 10140-2.
60 dB (Rw + Ctr) when tested to BS EN 10140-2.
60 dB (Rw + Ctr) when tested to BS EN 10140-2.
65 dB (Rw) when tested to BS EN 10140-2.
60 dB (Rw + Ctr) when tested to BS EN 10140-2.
60 dB (Rw + Ctr) when tested to BS EN 10140-2.
Duty rating (to BS 5234-2)
Severe Duty in accordance with BS 5234-2, clause 1.6.2 & 1.6.3 of Annex B & C.
Severe Duty in accordance with BS 5234-2, clause 1.6.2 & 1.6.3 of Annex B & C.
System code
EN-IC-70-055-6-2-15-SSP-2x25(229/120)., BS-IC-70-055-6-2-15-SSP-2x25(229/120).
EN-IC-70-055-6-2-15-SSP-2x25(229/120)., BS-IC-70-055-6-2-15-SSP-2x25(229/120).
Partition thickness
229 mm.
229 mm.
Sustainability data
Country of material origin
Spain
Spain
Country of product manufacture
United Kingdom
United Kingdom
Material
Gypsum, Metal, Glass mineral wool
Gypsum, Metal, Glass mineral wool
Recyclability
Gypsum and metal components can be recycled, according to local waste disposal regulations, when segregated
Gypsum and metal components can be recycled, according to local waste disposal regulations, when segregated
Recycled content
12.64 %
12.64 %