BS 7950:1997 A British standard for security performance for certain types of windows. The standard specifies the requirements for testing of windows. Windows must meet these performance standards to qualify for the Secured by Design (SBD) scheme. |
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BS 7950:1997 A British standard for security performance for certain types of windows. The standard specifies the requirements for testing of windows. Windows must meet these performance standards to qualify for the Secured by Design (SBD) scheme. |
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