Roxtec Lubricant is natural tallow that is used to lubricate the sealing modules, the Roxtec Wedge and the inside of the frame. This provides correct compression and a secure seal. Roxtec Assembly Gel is intended for Roxtec ComPlus, Roxtec ComSeal LW, Roxtec ComSeal, Roxtec ComShelt, Roxtec EzEntry 4 mini, Roxtec C ComShelt and Roxtec CRL for easy installation.