ETW 113D - Thruwall® Solutions for the Building Envelope - Non-Loadbearing SFS In-fill System

Non-loadbearing steel framing in-fill system (SFS) for the external building envelope composed of insulation, external sheathing, light gauge steel framing and double-layer internal wall lining.

Features and benefits:

• Comprises: external insulation; weather defence sheathing; Remagin light steel in-fill framing; mineral wool cavity insulation; 2 x 12.5 mm dB Board internal lining
• Fire resistance to EN 1364-1 (non-loadbearing): EI 60 minutes (inside to out); EI 90 (outside to in).
• Reaction to fire, to EN 13501-2: all components are at least A2 (Limited Combustibility); Weather Defence sheathing and rock/ glass mineral wool are A1 Non-Combustible.
• Sound insulation to ISO 10140-2: 48 R_w dB or 43 R_w + C_tr dB.
• Height/strength to EN 1993-1-1 varies by wind and cladding loading.
• U-value varies by framing specification; indicative values available.

Application-specific linings also available consult manufacturer for details.

External Sheathing Weather Defence:

• Fully non-combustible (Euroclass A1) so is suitable for buildings with a height more than 18 metres.
• Has two BBA certificates.
• Can be left fully exposed on-site for up to 12 months.
• Dimensionally stable, which means boards can be butted tightly together providing exceptional levels of airtightness.
• Eliminates the need for a breather membrane.
• 50% faster to install than traditional cement particle board.
• Lightweight.
• Easy to cut, shape and bend offering more options for design detailing.

Steel Frame Systems (SFS):

• The fully-engineered steel frame system (SFS) is custom designed according to the specific requirements of any project.
• All sections are delivered cut to length – zero cutting or wastage on site.
• Factory-assured standards of quality.
• Colour coded and individually labelled.
• Lightweight.

Internal Wall Lining:

• 2 x 12.5 mm dB Board.