What is ISO 6927 about?
ISO 6927 defines technical terms for self-levelling and gun-grade (gunnable) sealants for above-ground exposed structures.
Who is ISO 6927 for?
ISO 6927 on sealant vocabulary is useful for:
- Builders
- Civil engineers
- Sealants manufacturers
Why should you use ISO 6927?
Sealants are used to connect and join the various parts and materials to the main structure of the building helping in closing the gaps between the elements and surfaces of the construction and thus, preventing fluids and other substances from passing through surfaces and mechanical joints. ISO 6927 provides technical terms for sealants to develop a better understanding.
ISO 6927 informs you about the classification of sealant to get the adhesive and cohesive properties to seal.
ISO 6927 outlines the physical characteristics of a good sealant, such as its capacity to form a strong bond with building materials and its resistance to weather changes, as well as the durability of sealants. In this manner, you’ll be able to have a good grip on the various factors affecting the quality of sealants.
What’s changed since the last update?
BS EN ISO 6927:2021 supersedes EN ISO 6927:2012. BS EN ISO 6927:2021 includes some technical changes with respect to EN ISO 6927:2012. These include:
- Modified the title
- Added important terminology for the property of the sealant to reflect the progress of the sealant technology.

