Attain RTC | CWCT Testing | Facades, windows & doors

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CWCT

CWCT (Centre for Window and Cladding Technology) is synonymous with facade testing in the UK. Primarily, most testing is conducted using Sequence B, which incorporates air permeability, weather penetration, wind resistance and impact resistance. Attain RTC can offer CWCT, alongside European or American test standards.

Air Permeability:

CWCT Section 5 Building Envelopes (equivalent to BS EN 12153)

Not Currently Under AccreditationBS EN 12153: 2006Curtain Walling

Water Penetration Tests Under Static Pressure Conditions:

CWCT Section 6 Building Envelopes (equivalent to BS EN 12155)

Not Currently Under Accreditation
BS EN 12155: 2000 Curtain Walling

Water Penetration Tests Under Dynamic Pressure Conditions:

CWCT Section 7 Building Envelopes (with aero engine)

CWCT Section 8 Building Envelopes (equivalent to BS EN 13050)

Not Currently Under Accreditation
BS EN 13050: 2011 Curtain Walling

Wind Resistance Tests:

CWCT Section 11 & 12 Building Envelopes (when combined exceed the requirements of BS EN 12179)

BS EN 12179: 2000 Curtain Walling

Impact Resistance:

CWCT Clause 15 Hard and Soft Body

BS EN 949: 1999 Soft and heavy body impact

BS EN 950: 1999 Doors. Hard body impact

BS EN 14019: 2004 Curtain Walling

BS EN 1991-1-1: 2002 – Eurocode 1: Imposed loads for buildings

Cyclic Testing

Multi-purpose equipment allows for installation of curtain walling, window and/or door systems up to 3m wide x 2.5m high. Cyclic or static, dynamic and fatigue load tests can be conducted in accordance with a number of harmonised European standards, including;

Not Currently Under Accreditation
BS EN 1191: Resistance to Repeated Opening and Closing

BS EN 12046-1 & 12046-2: Operating Forces for Windows and Doors

BS EN 13126-8 & 13126-9: Building Hardware tests on Windows and Doors

BS EN 14608: Windows - Determination of Resistance to Racking on Windows

BS EN 14609: Windows - Determination of the Resistance to Static Torsion

BS EN 947: Hinged or Pivoted Doors - Determination of the Resistance to Vertical Load

Not Currently Under Accreditation
BS EN 948: Hinged or Pivoted Doors - Determination of the Resistance to Static Torsion

Burglar / Security

Burglar resistance tests are performed on windows, doors, curtain walling, grilles, shutters, et al, in accordance with;

Not Currently Under Accreditation
BS EN 1628: Test method for the determination of resistance under static loading

Not Currently Under Accreditation
BS EN 1629:Test method for the determination of resistance under dynamic loading

Not Currently Under Accreditation
BS EN 1630:Test method for the determination of resistance to manual burglary attempts

Calculation Methods

In support of our clients needs, we are able to offer technical support by methods of calculation, for a variety of construction products including curtain wall and window/door systems.

Thermal Performance

BS EN ISO 10077-1:2017 Thermal performance of windows and doors

BS EN ISO 10077-2:2017 Calculation of Thermal Resistance

BS EN ISO 12631:2017 Thermal Performance of Curtain Walling
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Loading Resistance

Critical elements of a curtain walling system which are loaded can be assessed and compared with the allowable deflection limits to the following standards;

Not Currently Under Accreditation
BS EN 13830:2015+A1:2020Curtain Walling

Not Currently Under Accreditation
BS EN 1991-1-1:2002 Eurocode 1: Imposed loads for buildings

Facades, Windows and Doors

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CWCT

Cyclic Testing

Burglar / Security

Calculation Methods

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