An acrylic based fire rated sealant for low movement fire rated joints and small pipes. USG ME fire rated sealant is an acrylic, latex-based sound caulk for use as a sealant in fire-rated partitions, smoke barriers and sound-rated assemblies.
One part, low modulus, neutral cure sealant is called Flexible Fire Rated Sealant. It can be used to seal gaps in the drywall systems, and construction joints after the installation. Additionally, it is excellent for weathersealing expansion joints in fire-rated walls, building facades, and curtain walling.
It has great adherence to many typical building materials and is fire rated. It exhibits exceptional resistance to UV, ozone, and extreme temperatures.