Sealeze Therm-L-Brush™ F580CLA15BL

Our durable, high-quality nylon filament is resistant to common chemicals, has excellent bend recovery and abrasion resistance and remains flexible and effective even down to 70°F below zero! Rugged aluminum holders are available in clear or duranodic (dark brown) finish and holes can be drilled as required. Size D brush is available with filament lengths from 1" to 3" for sealing gaps up to 1" wide. Size G brush is available with filament lengths from 1.75" to 7" and can effectively seal gaps up to 4". Therm-L-Brush with filament 4" long or less is UL labeled for use on 3-hour fire doors. Them-L-Brush is available from our stock in 8' and 10' lengths with a variety of holders. Or, it can be provided to your specifications. How much brush do you need? What angle holders do you need? Complete our Therm-L-Brush application worksheet and we will provide you with a quote for the materials you need for you sealing project.