CRL Gunther Ultra/Bond® and Extra/Build® Mirror Mastics are high quality adhesives formulated to provide a strong, permanent bond between electro-copper-plated glass mirror and various substrates. Both have been field tested for compatibility with silver, copper, and mirror backing. Both have an easy working consistency year round, and will adhere to a wide variety of substrates including Drywall, Wood, Metal, Glass, Marble, and Tile but should be tested for Bleeding.

Keep away from heat, sparks and flame. Vapors may ignite explosively. No smoking. Delete all flames, burners or ovens. Turn off heating and lights are off, and disconnect all electrical motors and appliances before use disappeared until all vapors. Prevent formation of vapor present in the open all the windows and doors. The central nervous system may be affected, as the fumes can cause dizziness, headaches and nausea. Direct contact of the skin, eyes or clothing should be avoided. Avoid breathing vapors. Repeated or prolonged inhalation can cause brain damage, nervous system, liver or the kidneys can be attacked, as it can lead to heart rhythm disturbances. ABUSE AND INHALATION OF THE INGREDIENTS MAY RESULT IN SERIOUS INJURY.

CRL, Gunther Mirror Mastics, the manufacturer or Royal Adhesives and Sealants LLC., shall not be liable for consequential damages for use of Gunther products. Damages incurred in connection with the use of Gunther products by the buyer, seller, user or any other person are strictly limited to the purchase price of the goods purchased, the customer takes full responsibility. All installation guidelines must be met. For installation instructions please refer to the installer.

CRL gives no warranty, express or implied on any mirror mastic. It is the user's responsibility to determine the mastic's suitability to different types of mirror backing and each specific installation.