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(LGSF) Light Gauge Steel Frame Structural Solutions (up to 15 storeys) - REI 60 - Light Gauge Steel Frame Solutions

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ETEX UK REMAGIN LIMITED Product certifications:
  • EPD

    EPD

    Certificate type

Bespoke light gauge steel framing (LGSF) structure, comprising selected Remagin external, internal and separating walls , along with stairs, floor and roof options.

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Application

Steel framed panelised construction for low and medium rise projects up to 15-storeys. Suitable for:

  • Residential apartments.
  • Student accommodation.
  • Later living/ care homes.
  • Hotels.
  • Healthcare applications.

Description

Bespoke light gauge steel framing (LGSF) structure, comprising selected Remagin external (EW-001), internal (IW-001) and separating walls (IW-016/ SWR-013), along with stairs, floor and roof options.

Light gauge steel frame structural solutions for low and medium rise projects up to 15 storeys:

Remagin's light to medium-duty steel frame solutions are perfect for low and mid-rise developments up to fifteen storeys high. They especially excel in urban spaces with limited room, and their pre-assembled nature means construction programmes can be accelerated significantly. Built by precision manufacturing in factory conditions, and rapid to assemble on site, Remagin’s light steel framing systems offer superior safety and comfort levels, as well as high energy performance levels, for residents.

Features and benefits:

  • 30-year warranty.
  • Minimum REI 60 fire resistance (walls); REI 90 and REI 120 builds available to specify separately.
  • Minimum sound insulation of 48 dB (walls).

Walls:

  • 100 mm C-stud bespoke light steel framing solution with minimum fire resistance of REI 60 for external, internal and separating walls. Utilizes double layers of Siniat Fire Board (12.5 mm).

Please contact Remagin for full details on wall build-ups.

Stairs:

Standard 1200 mm-wide option:

  • Prefabricated steel stairs comprising, 1200 mm-wide, 3 mm-thick folded plate treads together with bonded 25 mm CP board with flat steel stringers, together with 180 mm-thick composite concrete metal deck half landings. Other tread options are available if required.

Stairs: 1500 mm-wide option:

  • Prefabricated steel stairs comprising, 1500 mm-wide, 3 mm-thick folded plate treads together with bonded 25 mm CP board with flat steel stringers, together with 180 mm-thick composite concrete metal deck half landings. Other tread options are available if required.

 

Intermediate floors:

  • 180 mm-deep C32/40 concrete on Remagin Sig-Deck, pre-cambered, crushed end trapezoidal decking, including all necessary designed reinforcement to meet fire regulations and progressive collapse.

 

Roof, concrete option:

  • 180 mm-deep C32/40 concrete on Remagin Sig-Deck, pre-cambered, crushed end trapezoidal decking, including all necessary designed reinforcement to meet fire regulations and progressive collapse. Supporting beams and tophat sections dropped to allow for continuous slab at roof level helping water management and follow-on trades.

 

Roof:

  • Trapezoidal profile galvanized steel roof decking supplied in double span lengths supported on LGSF purlins, purlins depths and section sizes to suit span requirements.

General information

Color

Silver

Pink

Guidance for specification option:

Unfinished Siniat Fire Board.

Finish

Galvanized

Smooth

Guidance for specification option:

Unfinished Siniat Fire Board.

Material

Steel

Concrete

Gypsum

Shape

Rectangle

Trapezoid

Other

Length

Bespoke

Width

Bespoke

Height

Bespoke

Warranty description

30 year

Uniclass

Ss_20_10_60_60 Panelled and framed modular systemsPrimary

CAWS

B15/130 Light-gauge steel frame

Specification data - Panelled and framed modular systems

Classification data

System performance

Guidance for specification option:

Insert requirements.

Structure type

-

Floors

SigDeck100 composite floor system.

Guidance for specification option:

  • 180 mm-deep C32/40 concrete on Sigmat SigDeck, pre-cambered, crushed end trapezoidal decking, including all necessary designed reinforcement to meet fire regulations and progressive collapse.
  • Supporting beams and tophat sections dropped to allow for continuous slab at roof level helping water management and follow-on trades.

Manufacturer guidance

Trapezoidal deck available in 0.8, 0.9, 1.1 and 1.4 mm gauges; SigDeck can be designed for up to two-hour fire resistance with varying load types and spans.

Consult manufacturer's literature for performance details and insert requirements.

Framed wall structure

Light-gauge steel frame utilizing 100 mm C studs at 600 mm c/c throughout external, internal and separating walls.
Separating walls only: Siniat RDB3000 resilient bars at 400 mm c/c.

Guidance for specification option:

See Linings below for board/ panel details.

  • EW-001 (external), IW-001 (internal) and IW-016 (separating) use 100 x 53 x 1.2 mm C stud (100SN12).
  • SWR-001 (separating) uses 100 x 53 x 1.3 mm C stud (100SN13).

Note that IW-016 room-to-shaft/riser walls have resilient bars to one side only.

Roof structure

Trapezoidal profile galvanized steel roof decking.

Guidance for specification option:

Supplied in double span lengths supported on LGSF purlins, purlins depths and section sizes to suit span requirements.

Manufacturer guidance

Consult manufacturer for options and insert requirements.

System completion

Guidance for specification option:

Insert requirements or omit.

Design

Guidance for specification option:

Insert details (drawings, schedule or other) as required.

Internal

Stairs: 1200 mm wide (standard).

Guidance for specification option:

Prefabricated steel stairs comprising, 1200 mm-wide, 3 mm-thick folded plate treads together with bonded 25 mm CP board with flat steel stringers, together with 180 mm-thick composite concrete metal deck half landings.

 

Consult manufacturer for details and insert requirements.

Stairs: 1500 mm wide.

Guidance for specification option:

Prefabricated steel stairs comprising, 1500 mm-wide, 3 mm-thick folded plate treads together with bonded 25 mm CP board with flat steel stringers, together with 180 mm-thick composite concrete metal deck half landings.

 Consult manufacturer for details and insert requirements.

Manufacturer guidance

Other tread options are available if required.

Floor deck

Sigmat Sig-Deck.

Walls

External: EW-001, 212 mm-thick.
Internal: IW-001, 160 mm-thick.
Separating (room to shaft/ riser): IW-016, 167 mm-thick.
Separating: SWR-001, 194 mm-thick.

Guidance for specification option:

External wall thickness includes minimum 75 mm mineral wool (~55 kg/m³) insulation to cavity face of frame. Excluding this insulation, thickness is 138 mm.

Linings

External walls (sheathing): 1 x 12.5 mm Siniat Weather Defence Board.
External walls (plasterboard; internal): 2 x 12.5 mm Siniat Fire Board.
Internal walls (IW-001): 2 x 15 mm Siniat Fire Board to both sides.
Separating walls (IW-016; room to riser/shaft): 2 x 15 mm Siniat Fire Board (side one)/ 1 x 20 mm Promatect XS Board (fire side).
Separating walls (SWR-001): 2 x 15 mm Siniat dB Board to both sides.

Insulation

External walls: minimum 75 mm-thick mineral wool (~55 kg/m³) to cavity face of frame; 100 mm-thick mineral wool (~22 kg/m³) between studs.
Internal (IW-001): n/a.
Separating walls (IW-016): 50 mm-thick mineral wool (~22 kg/m³) between studs.
Separating walls (SWR-001): 50 mm-thick mineral wool (~12 kg/m³) between studs.

Guidance for specification option:

Insulation within IW-001 sections is not standard for this build-up. If insulation is required, it should be a minimum 50 mm mineral wool (22 kg/m³).

Fixings

External wall lining (sheathing board): 25 mm Wet Area self-drilling screws.
External wall lining (plasterboard): 25 and 42 mm self-drilling screws.
Internal wall linings: 25 and 42 mm self-drilling screws.
Separating wall lining: 25 and 42 mm self-tapping screws.
Separating wall resilient bars: 12 mm wafer head self-tapping screws.

Guidance for specification option:

  • Sheathing board and external wall plasterboard screws at 300 mm c/c.
  • Internal wall IW-001 plasterboard screws at 600 mm c/c (layer 1, inner) and 300 mm c/c (layer 2, outer).
  • Separating wall IW-016 plasterboard screws at 600 mm c/c (layer 1, inner) and 300 mm c/c (layer 2, outer). XS board screws at 300 mm c/c.
  • Separating wall SWR-001 plasterboard at 300 mm c/c (both layers).

Manufacturer guidance

All c/c values are maximum.

Fire resistance

To EN 1365-1:2012, minimum REI 60 (external/ internal/ separating walls).

Guidance for specification option:

Internal wall IW-001 available REI 60 to REI 90; consult manufacturer for details.

Manufacturer guidance

Consult manufacturer for test data as required.

Sound insulation

External walls, Rw(Ctr): 48 (-7) dB.
Internal walls IW-001, Rw(Ctr): 50 (-7) dB.
Separating walls IW-016, Rw(Ctr): 57 (-7) dB.
Separating walls SWR-001, Rw(Ctr): 60 (-9) dB.

Guidance for specification option:

External wall figure estimated ±3 dB; excludes facade finishes.

Internal walls IW-001 and IW-016 figure estimated ±3 dB.

Thermal performance

External walls: 0.24 W/m²K (excluding facade fixings or external cladding/ bracketry).

Sustainability data

Country of material origin

Europe

Country of product manufacture

United Kingdom

Manufacturing plant location

Material

Steel
Concrete
Gypsum
Carbon dioxide equivalent

Carbon dioxide equivalent, as defined in BS EN 15804

Certified

Stage
Normalised unit (kg CO₂ eq/kg)
Declared unit (kg CO₂ eq/kg)
Stage:A1–A3 ('Production stage')
Normalised unit : 3.26 (kg CO₂ eq/kg)
Declared unit : 3.26

Recyclability

Steel is 100% recyclable.

Guidance for specification option:

The system is designed to be re-purposed.

Expected Life

60 year

Product certifications

Product certifications

EPD

EPD

Light Gauge Steel Frame - Environmental Product Declaration

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