Uses
The Everflex Contract AC50 by Everbuild is a unique acoustic sealant that delivers excellent sound-reducing properties between rooms. Everbuild crafted this product to form acoustic barriers by sealing gaps between plasterboards floors, walls and ceilings, and general dry lining applicaitons. Other applications this product has been used for include as an adhesive for bonding plasterboards together, wood, metal studding and direct-to-blockwork. You may also use this product to seal and connect most Kraft-lined insulation boards.
Preparation
Before commencing the application, all surfaces must be prepared correctly to achieve optimal results. Start by removing all surface contaminants, including dirt, dust, oil, grease, debris, etc. Any old sealant or mastic joints should be removed, and if the surface is highly porous, such as new plaster, you should prime it before applying the AC50 to it. Lastly, you can apply this to damp surfaces that cannot be wet.
Application
- Cut the nozzle at a 45° angle with an opening to the desired amount.
- Puncture the top of the cartridge using a sharp, robust, pointed item.
- Place the cartridge into a large, compatible sealant gun.
- Point the tip of the nozzle to the area and extrude the material to the area; it's always best to apply it in one long bead.
- Any mess made should be cleaned using a damp cloth within 30 minutes; otherwise, it will be cured.
Limitations and Notes
- You should not apply this to bituminous materials.
- Damp or humid conditions will extend the curing time.
- This product is not suitable for abrading once cured.
- Only overpaint once fully cured; this can usually take up to 24 hours, but in some conditions, it can be as long as 4-5 days.
- Do not apply this product below 5°C.
- If you're using this for overhead applications, always use mechanical fixing in conjunction.
