RS Sigma on a house

DOM RS Sigma

Affordable security

Our best selling conventional system

The DOM RS Sigma is the ideal locking system for customers who place value on high security whilst at the same time recognise the need for keeping costs down. We believe that everyone and everything of value deserves to be kept secure, without compromise.

Master Key Available

Tired of carrying around multiple keys for your home? With a DOM Master Key System, one key can unlock your porch, your front and back doors, even your garage.

Lifetime Trademark Protection

Rest assured knowing that the cylinders in your home can’t be legally copied or reproduced by another lock company. Even the keys are only supplied to trusted DOM dealers to ensure maximum security.
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