A mastic usually produced from butyl or poly-butylene rubber used for sealing and embedding glass into a window frame which incorporates a beading system.
![logo](https://paintcheckplus.co.uk/wp-content/uploads/2020/01/logo.jpg)
Paint Check Plus > Glossary > Glazing Compound
A mastic usually produced from butyl or poly-butylene rubber used for sealing and embedding glass into a window frame which incorporates a beading system.
You cannot copy content of this page