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SFS Twin I Stud Partition System with Double 15mm Soundbloc with 50 or 100 mm Insulation | 120 Minutes Fire Rated - Gypsum Board Partition System

Verified by manufacturer 1 day ago

Twin 15 mm I Stud Profile Width | 65dB | SFS4481

Steel Formed Sections Variant:
Product certifications:
  • EPD

    EPD

    Certificate type

Double layer of Gyproc 15 mm Soundbloc each side of an SFS twin I Studs at 600 mm centres; with 50 or 100 mm insulation.

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Application

Plasterboard partition system suitable for severe duty applications.

Description

Double layer of Gyproc 15 mm Soundbloc each side of an SFS twin I studs at 600 mm centres.

Features and benefits:

  • Partition duty grade: severe.
  • Fire resistance: 120 minutes.
  • 50 or 100 mm acoustic insulation.
  • Sound insulation Rw dB: 65 dB (66 dB when skimmed).

General information

Finish

Other

Material

Gypsum

Steel

Shape

Rectangle

Length

Bespoke

Width

-

Manufacturer guidance

Overall, excluding finishes.

Height

2800 mm

Guidance for specification option:

Maximum.

3900 mm

Bespoke

Guidance for specification option:

Maximum.

Uniclass

Ss_25_10_30_35 Gypsum board partition systemsPrimary

CAWS

K10/125 Metal stud partition system

K10/30 Metal stud

SKU Code

SFS4481

Specification data - Gypsum board partition systems

System performance

Sound insulation, Rw (minimum) to BS EN ISO 10140-2 or BS EN ISO 140-3

65 Rw (dB).

Guidance for specification option:

With service baffle box.

Manufacturer guidance

To BS EN ISO 10140-2.

Duty rating to BS 5234-2

Severe duty (SD).

Maximum height - cold state

2800 mm.

Manufacturer guidance

Based on limiting deflection of L/240 @ 200 Pa.

Thickness

200 mm.

Guidance for specification option:

Minimum.

Other.

Guidance for specification option:

  • Insert requirements, minimum 200 mm.
  • Average sizes are between 200–300 mm and technically has no maximum limit as the air cavity between the profiles can be adjusted to the site specific requirement.

Manufacturer guidance

Nominal, excluding finishes.

Classification data

System manufacturer

Steel Formed Sections.

Framing

Track: SFST52.
Stud: 2 x SFS50I50 I studs 50 mm width at 600 mm centres, in two rows braced at 1200 mm centres.

Manufacturer guidance

  • Deep track to be used top and bottom for partitions 4.2 m to 8.0 m high, extra deep track for partitions greater than 8 m.
  • Where head deflection is required please refer to the head track specified in relevant deflection head detail.

Insulation

50 mm acoustic insulation.

Linings

Board side 1, layer 1: Gyproc Soundbloc 15 mm.
Board side 1, layer 2: Gyproc Soundbloc 15 mm.
Board side 2, layer 1: Gyproc Soundbloc 15 mm.
Board side 2, layer 2: Gyproc Soundbloc 15 mm.

Fasteners

Inner layers: Drywall screw (25 mm length).
Outer layers: Drywall screw (42 mm length).

Joint treatment

Vertical joints: treated in accordance tape joint method.
Horizontal joints: backed by SFS1 (flat strap) and treated in accordance with tape joint method.

Finish

-

Manufacturer guidance

Consult manufacturer and insert requirements.

System accessories

Acoustic sealant.

Guidance for specification option:

Sealant to both sides of partition framework.

Fire resistance

To BS 476, 120 minutes.

Sustainability data

Material

Gypsum
Steel

Product certifications

Product certifications

EPD

EPD

Environmental Product Declaration (EPD)

Literature

I Stud DoP

I Stud DoP

1. SFS Partitioning System Data Sheet

1. SFS Partitioning System Data Sheet

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