Our Therm-L-Brush weatherseal is made of 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 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 weatherseal 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. We can also ship brush weatherseals cut to your specifications.

How much brush do you need? What angle holders do you need?
We offer worksheets that guide you in addressing these and other questions. Complete the appropriate worksheet and email or fax it to us and we will provide you with a quote. Visit the downloads center for a complete list of worksheets.

For a more cost-effective weatherseal brush,
check out our ProSeal brush weatherseals!

Download the Overhead Door worksheet available as a PDF. Once completed, you can send it to us and we’ll send you a quote.
Toll free fax: 800 448 2908
Or scan it and email it to us.

ThermLBrush diagram2

Therm-L-Brush - 100% Nylon Brush Weatherseal
Product Code Holder Color (B) Exposed Filament Length (H) Holder Length (A) Angle Holder Stock Length (in feet)
D480CLA09BL clear (silver) 0.94" 1.102" 180° 3, 7, 8, 9, 10 ,12
D480DUR09BL dark brown 0.94" 1.102" 180° 8, 10, 12
D480CLA12BL clear (silver) 1.19" 1.102" 180° 3, 7, 8, 9, 10 ,12
D480DUR12BL dark brown 1.19" 1.102" 180° 8, 10, 12
D480CLA16BL clear (silver) 1.61" 1.102" 180° 3, 7, 8, 9, 10 ,12
D480DUR16BL dark brown 1.61" 1.102" 180° 8, 10, 12
D480CLA20BL clear (silver) 2.00" 1.102" 180° 3, 7, 8, 9, 10 ,12
D480DUR20BL dark brown 2.00" 1.102" 180° 8, 10, 12
D480CLA30BL clear (silver) 3.00" 1.102" 180° 3, 7, 8, 9, 10 ,12
D480DUR30BL dark brown 3.00" 1.102" 180° 8, 10, 12
D482CLA09BL clear (silver) 0.94" 1.811" 180° 10
D482CLA12BL clear (silver) 1.19" 1.811" 180° 10
D482CLA16BL clear (silver) 1.61" 1.811" 180° 10
D482CLA20BL clear (silver) 2.00" 1.811" 180° 10
D482CLA30BL clear (silver) 3.00" 1.811" 180° 10
D483CLA09BL clear (silver) 0.94" 3.391" 180° 8, 10
D483CLA12BL clear (silver) 1.19" 3.391" 180° 8, 10
D483CLA16BL clear (silver) 1.61" 3.391" 180° 8, 10
D483CLA20BL clear (silver) 2.00" 3.391" 180° 8, 10
D483CLA30BL clear (silver) 3.00" 3.391" 180° 8, 10
D445CLA09BL clear (silver) 0.94" 0.844" 45° 7, 8, 10, 12
D445DUR09BL dark brown 0.94" 0.844" 45° 8, 10
D445CLA12BL clear (silver) 1.19" 0.844" 45° 7, 8, 10, 12
D445DUR12BL dark brown 1.19" 0.844" 45° 8, 10
D445CLA16BL clear (silver) 1.61" 0.844" 45° 7, 8, 10, 12
D445DUR16BL dark brown 1.61" 0.844" 45° 8, 10
D445CLA20BL clear (silver) 2.00" 0.844" 45° 7, 8, 10, 12
D445DUR20BL dark brown 2.00" 0.844" 45° 8, 10
D445CLA30BL clear (silver) 3.00" 0.844" 45° 7, 8, 10, 12
D445DUR30BL dark brown 3.00" 0.844" 45° 8, 10
D45XCLA09BL clear (silver) 0.94" 1.890" 45° 10, 12
D45XCLA12BL clear (silver) 1.19" 1.890" 45° 10, 12
D45XCLA16BL clear (silver) 1.61" 1.890" 45° 10, 12
D45XCLA20BL clear (silver) 2.00" 1.890" 45° 10, 12
D45XCLA30BL clear (silver) 3.00" 1.890" 45° 10, 12
D45RCLA09BL clear (silver) 0.94" 1.000" 45° REV 10
D45RCLA12BL clear (silver) 1.19" 1.000" 45° REV 10
D45RCLA16BL clear (silver) 1.61" 1.000" 45° REV 10
D45RCLA20BL clear (silver) 2.00" 1.000" 45° REV 10
D45RCLA30BL clear (silver) 3.00" 1.000" 45° REV 10
F580CLA15BL clear (silver) 1.50" 1.000" 180° 10
F580CLA20BL clear (silver) 2.00" 1.000" 180° 10
F580CLA25BL clear (silver) 2.50" 1.000" 180° 10
F580CLA30BL clear (silver) 3.00" 1.000" 180° 10
F580CLA40BL clear (silver) 4.00" 1.000" 180° 10
F580CLA50BL clear (silver) 5.00" 1.000" 180° 10
F582CLA15BL clear (silver) 1.50" 1.500" 180° 10
F582CLA20BL clear (silver) 2.00" 1.500" 180° 10
F582CLA25BL clear (silver) 2.50" 1.500" 180° 10
F582CLA30BL clear (silver) 3.00" 1.500" 180° 10
F582CLA40BL clear (silver) 4.00" 1.500" 180° 10
F582CLA50BL clear (silver) 5.00" 1.500" 180° 10
F545CLA15BL clear (silver) 1.50" 1.500" 45° 10
F545CLA20BL clear (silver) 2.00" 1.500" 45° 10
F545CLA25BL clear (silver) 2.50" 1.500" 45° 10
F545CLA30BL clear (silver) 3.00" 1.500" 45° 10
F545CLA40BL clear (silver) 4.00" 1.500" 45° 10
F545CLA50BL clear (silver) 5.00" 1.500" 45° 10
G680CLA18BL clear (silver) 1.75" 1.312" 180° 8, 10
G680CLA25BL clear (silver) 2.53" 1.312" 180° 8, 10
G680CLA30BL clear (silver) 3.00" 1.312" 180° 8, 10
G680CLA40BL clear (silver) 4.00" 1.312" 180° 8, 10
G680CLA50BL clear (silver) 5.00" 1.312" 180° 8, 10
G680CLA60BL clear (silver) 6.00" 1.312" 180° 8, 10
G680CLA70BL clear (silver) 7.00" 1.312" 180° 8, 10
G682CLA18BL clear (silver) 1.75" 2.000" 180° 8, 10
G682CLA25BL clear (silver) 2.53" 2.000" 180° 8, 10
G682CLA30BL clear (silver) 3.00" 2.000" 180° 8, 10
G682CLA40BL clear (silver) 4.00" 2.000" 180° 8, 10
G682CLA50BL clear (silver) 5.00" 2.000" 180° 8, 10
G682CLA60BL clear (silver) 6.00" 2.000" 180° 8, 10
G682CLA70BL clear (silver) 7.00" 2.000" 180° 8, 10
G685CLA18BL clear (silver) 1.75" 5.470" 180° 8, 10
G685CLA25BL clear (silver) 2.53" 5.470" 180° 8, 10
G685CLA30BL clear (silver) 3.00" 5.470" 180° 8, 10
G685CLA40BL clear (silver) 4.00" 5.470" 180° 8, 10
G685CLA50BL clear (silver) 5.00" 5.470" 180° 8, 10
G685CLA60BL clear (silver) 6.00" 5.470" 180° 8, 10
G685CLA70BL clear (silver) 7.00" 5.470" 180° 8, 10
GG680CLA18BL clear (silver) 1.75" 1.778" 180° 10
GG680CLA25BL clear (silver) 2.53" 1.778" 180° 10
GG680CLA30BL clear (silver) 3.00" 1.778" 180° 10
GG680CLA40BL clear (silver) 4.00" 1.778" 180° 10
GG680CLA50BL clear (silver) 5.00" 1.778" 180° 10
GG680CLA60BL clear (silver) 6.00" 1.778" 180° 10
GG680CLA70BL clear (silver) 7.00" 1.778" 180° 10
G645CLA18BL clear (silver) 1.75" 1.000" 45° 10
G645CLA25BL clear (silver) 2.53" 1.000" 45° 10
G645CLA30BL clear (silver) 3.00" 1.000" 45° 10
G645CLA40BL clear (silver) 4.00" 1.000" 45° 10
G645CLA50BL clear (silver) 5.00" 1.000" 45° 10
G645CLA60BL clear (silver) 6.00" 1.000" 45° 10
G645CLA70BL clear (silver) 7.00" 1.000" 45° 10
K1082CLA30BL clear (silver) 3.00" 2.690" 180° 10
K1082CLA40BL clear (silver) 4.00" 2.690" 180° 10
K1082CLA50BL clear (silver) 5.00" 2.690" 180° 10
K1082CLA60BL clear (silver) 6.00" 2.690" 180° 10
K1082CLA70BL clear (silver) 7.00" 2.690" 180° 10
K1082CLA110BL clear (silver) 10.00" 2.690" 180° 10
K1082CLA120BL clear (silver) 12.00" 2.690" 180° 10