Talking about RC3, RC4, or higher levels without context only adds confusion. The key is to relate the resistance rating to the building’s exposure, the type of access, and the client’s requirements.
The level must be commensurate with the actual risk
A unit on an interior landing does not have the same level of visibility as a detached house, a ground-floor unit, or a unit that is more visible from the street.
That is why the choice of grade should be based on actual use, not just on a comparison of catalog specifications.
- location of the home
- potential attack time
- access visibility
- the level of peace of mind the customer is looking for
RC3 is a very solid choice for residential use
For many residential projects, a door that complies with the UNE-EN 1627:2021 standard and has passed the RC3 tests already provides a high level of protection.
It is a very sound starting point when seeking real security through a clear business decision.
The recommendation should be easy to understand
When the customer understands why a specific solution is being recommended, the sale is more solidly supported and the decision becomes more firm.