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Standard Duty

Nylon brush seals (Therm-L) are simply the most effective way of sealing gaps for the life of your door. Featuring 100% type-6 black nylon, Therm-L brush seals are 98.5% effective in blocking air infiltration and will not freeze or become brittle in cold weather situations (even down to 70 below). Therm-L brush seals are an excellent choice for most commercial or industrial; rolling steel, sectional, mini-warehouse and other type of door that requires the most durable and effective seal possible. Install Therm-L brush seals along, headers and other door areas to reduce energy costs and avoid dirt, noise, pests and other weather elements.

Therm-L brush seals come in a variety of lengths for the best fit for your application. Constructed with thousands of flexible filaments , the nylon brush creates a solid weather tight seal against irregular surfaces and provides easy door movement. Our brush seals include a clear anodized aluminum holder and are available in standard and heavy duty models. Each model features a number of holder sizes and shapes. Holders are provided with clear anodized finish and are pre-slotted for easy installation and adjustment. Nylon brush seals are UL rated up to 4” long on 3-Hr Fire Doors. Please request the UL label when ordering. Brush filaments conform to irregular surfaces giving you a firm weather tight seal while allowing unrestricted door movement. Black polypropylene brush comes in a variety of lengths for the best fit for your project. Polypro seals have less abrasion resistance than nylon but are more resistant to moisture absorption. Note-Independent laboratory testing has proven that our nylon brush will withstand up to 2,000,000 cycle (opening & closing) without degradation due to abrasion.

Diagram of aluminum-holder brush weatherseal installed on garage door

Weatherseals & Brushseal are a NON-Returnable item. If you need help ordering please call 800-233-1487 We will gladly help you find the right product to meet your weatherseal needs.

Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 1-in Brush (BN41781) Save up to 39% Save %

Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 1-in Brush (BN41781)

$110.99
$78.75 - $137.55
$110.99
$67.20 - $137.55
$67.20 - $137.55
$67.20

1-7/8" x 45o x 1" Standard Duty Nylon Brush Seal 1" Black Nylon Brush 1-7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots for...

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$110.99
$78.75 - $137.55
$110.99
$67.20 - $137.55
$67.20 - $137.55
$67.20
Save up to 39% Save %
Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 1-1/2-in Brush (BN417815) Save up to 32% Save %

Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 1-1/2-in Brush (BN417815)

$110.99
$88.20 - $154.35
$110.99
$75.60 - $154.35
$75.60 - $154.35
$75.60

1-7/8" x 45o x 1-1/2" Standard Duty Nylon Brush Seal 1-1/2" Black Nylon Brush 1-7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched S...

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$110.99
$88.20 - $154.35
$110.99
$75.60 - $154.35
$75.60 - $154.35
$75.60
Save up to 32% Save %
Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 2-in Brush (BN41782) Save up to 31% Save %

Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 2-in Brush (BN41782)

$136.99 - $243.99
$136.99 - $243.99
$136.99
$82.95 - $169.05
$82.95 - $169.05
$82.95

1-7/8" x 45o x 2" Standard Duty Nylon Brush Seal 2" Black Nylon Brush 1-7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots for...

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$136.99 - $243.99
$136.99 - $243.99
$136.99
$82.95 - $169.05
$82.95 - $169.05
$82.95
Save up to 31% Save %
Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 3-in Brush (BN41783) Save up to 27% Save %

Brushseal, Nylon, 1-7/8-in x 45 Degree Holder, 3-in Brush (BN41783)

$157.99 - $281.99
$157.99 - $281.99
$157.99
$116.55 - $206.85
$116.55 - $206.85
$116.55

1-7/8" x 45o x 3" Standard Duty Nylon Brush Seal 3" Black Nylon Brush 1-7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots for...

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$157.99 - $281.99
$157.99 - $281.99
$157.99
$116.55 - $206.85
$116.55 - $206.85
$116.55
Save up to 27% Save %
Brushseal, Nylon, 7/8-in x 45 Degree Holder, 1-in Brush (BN4781)
Save up to 8% Save %

Brushseal, Nylon, 7/8-in x 45 Degree Holder, 1-in Brush (BN4781)

$62.99
$62.99 - $116.55
$62.99
$57.75 - $116.55
$57.75 - $116.55
$57.75

7/8" x 45o x 1" Standard Duty Nylon Brush Seal 1" Black Nylon Brush 7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots for Eas...

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$62.99
$62.99 - $116.55
$62.99
$57.75 - $116.55
$57.75 - $116.55
$57.75
Save up to 8% Save %
Brushseal, Nylon, 7/8-in x 45 Degree Holder, 1-1/2-in Brush (BN47815)
Save up to 39% Save %

Brushseal, Nylon, 7/8-in x 45 Degree Holder, 1-1/2-in Brush (BN47815)

$107.99
$68.25 - $134.40
$107.99
$66.15 - $134.40
$66.15 - $134.40
$66.15

7/8" x 45o x 1-1/2" Standard Duty Nylon Brush Seal 1-1/2" Black Nylon Brush 7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots...

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$107.99
$68.25 - $134.40
$107.99
$66.15 - $134.40
$66.15 - $134.40
$66.15
Save up to 39% Save %
Brushseal, Nylon, 7/8-in x 45 Degree Holder, 2-in Brush (BN4782)
Save up to 39% Save %

Brushseal, Nylon, 7/8-in x 45 Degree Holder, 2-in Brush (BN4782)

$119.99
$85.05 - $148.05
$119.99
$73.50 - $148.05
$73.50 - $148.05
$73.50

7/8" x 45o x 2" Standard Duty Nylon Brush Seal 2" Black Nylon Brush 7/8" x 45o Angled Aluminum Holder- Clear Mill Finish Pre-punched Slots for Eas...

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$119.99
$85.05 - $148.05
$119.99
$73.50 - $148.05
$73.50 - $148.05
$73.50
Save up to 39% Save %
Brushseal, Nylon, 7/8-in x 45 Degree Holder, 3-in Brush (BN4783)
Save up to 39% Save %

Brushseal, Nylon, 7/8-in x 45 Degree Holder, 3-in Brush (BN4783)

$140.99
$99.75 - $175.35
$140.99
$86.10 - $175.35
$86.10 - $175.35
$86.10

7/8" x 45o x 3" Standard Duty Nylon Brush Seal 3" Black Nylon Brush 7/8" x 45o Angled Aluminum Holder-Clear Mill Finish Pre-punched Slots for Easy...

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$140.99
$99.75 - $175.35
$140.99
$86.10 - $175.35
$86.10 - $175.35
$86.10
Save up to 39% Save %
Brushseal, Nylon, 2-in Straight Holder, 1-in Brush (BNS21)
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Brushseal, Nylon, 2-in Straight Holder, 1-in Brush (BNS21)

$114.99
$81.90 - $141.75
$114.99
$70.35 - $141.75
$70.35 - $141.75
$70.35

2" Straight x 1" Standard Duty Nylon Brush Seal 1" Black Nylon Brush 2" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for Easy Ins...

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$114.99
$81.90 - $141.75
$114.99
$70.35 - $141.75
$70.35 - $141.75
$70.35
Save up to 39% Save %
Brushseal, Nylon, 2-in Straight Holder, 1-1/2-in Brush (BNS215)
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Brushseal, Nylon, 2-in Straight Holder, 1-1/2-in Brush (BNS215)

$128.99
$91.35 - $159.60
$128.99
$78.75 - $159.60
$78.75 - $159.60
$78.75

2" Straight x 1-1/2" Standard Duty Nylon Brush Seal 1-1/2" Black Nylon Brush 2" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

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$128.99
$91.35 - $159.60
$128.99
$78.75 - $159.60
$78.75 - $159.60
$78.75
Save up to 39% Save %
Brushseal, Nylon, 2-in Straight Holder, 2-in Brush (BNS22)
Save up to 31% Save %

Brushseal, Nylon, 2-in Straight Holder, 2-in Brush (BNS22)

$139.99 - $250.99
$139.99 - $250.99
$139.99
$85.05 - $174.30
$85.05 - $174.30
$85.05

2" Straight x 2" Standard Duty Nylon Brush Seal 2" Black Nylon Brush 2" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for Easy Ins...

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$139.99 - $250.99
$139.99 - $250.99
$139.99
$85.05 - $174.30
$85.05 - $174.30
$85.05
Save up to 31% Save %
Brushseal, Nylon, 2-in Straight Holder, 3-in Brush (BNSD23)
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Brushseal, Nylon, 2-in Straight Holder, 3-in Brush (BNSD23)

$161.99
$114.45 - $200.55
$161.99
$98.70 - $200.55
$98.70 - $200.55
$98.70

2" Straight x 3" Standard Duty Nylon Brush Seal 3" Black Nylon Brush 2" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for Easy Ins...

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$161.99
$114.45 - $200.55
$161.99
$98.70 - $200.55
$98.70 - $200.55
$98.70
Save up to 39% Save %
Brushseal, Nylon, 1-1/8-in Straight Holder, 1-1/2-in Brush (BNS118150)
Save up to 30% Save %

Brushseal, Nylon, 1-1/8-in Straight Holder, 1-1/2-in Brush (BNS118150)

$107.99 - $192.99
$107.99 - $192.99
$107.99
$66.15 - $134.40
$66.15 - $134.40
$66.15

1 1/8" Straight Holder x 1-1/2" Standard Duty Nylon Brush Seal 1-1/2" Black Nylon Brush 1-1/8" Straight Aluminum Holder- Clear Mill Finish Pre-pu...

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$107.99 - $192.99
$107.99 - $192.99
$107.99
$66.15 - $134.40
$66.15 - $134.40
$66.15
Save up to 30% Save %
Brushseal, Nylon, 1-1/8-in Straight Holder, 2-in Brush (BNS1182)

Brushseal, Nylon, 1-1/8-in Straight Holder, 2-in Brush (BNS1182)

$73.50 - $148.05
$73.50 - $148.05
$73.50 - $148.05
$73.50

1-1/8" Straight x 2" Standard Duty Nylon Brush Seal 2" Black Nylon Brush 1-1/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

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$73.50 - $148.05
$73.50 - $148.05
$73.50 - $148.05
$73.50
Brushseal, Nylon, 1-1/8-in Straight Holder, 3-in Brush (BNS1183)
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Brushseal, Nylon, 1-1/8-in Straight Holder, 3-in Brush (BNS1183)

$140.99
$99.75 - $175.35
$140.99
$86.10 - $175.35
$86.10 - $175.35
$86.10

1-1/8" Straight x 3" Standard Duty Nylon Brush Seal 3" Black Nylon Brush 1-1/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

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$140.99
$99.75 - $175.35
$140.99
$86.10 - $175.35
$86.10 - $175.35
$86.10
Save up to 39% Save %
Brushseal, Nylon, 3-3/8-in Straight Holder, 1-in Brush (BNS3381)

Brushseal, Nylon, 3-3/8-in Straight Holder, 1-in Brush (BNS3381)

$82.95 - $169.05
$82.95 - $169.05
$82.95 - $169.05
$82.95

3-3/8" Straight x 1" Standard Duty Nylon Brush Seal 1" Black Nylon Brush 3-3/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

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$82.95 - $169.05
$82.95 - $169.05
$82.95 - $169.05
$82.95
Brushseal, Nylon, 3-3/8-in Straight Holder, 1-1/2-in Brush (BNS33815)

Brushseal, Nylon, 3-3/8-in Straight Holder, 1-1/2-in Brush (BNS33815)

$91.35 - $185.85
$91.35 - $185.85
$91.35 - $185.85
$91.35

3-3/8" Straight x 1-1/2" Standard Duty Nylon Brush Seal 1-1/2" Black Nylon Brush 3-3/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Sl...

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$91.35 - $185.85
$91.35 - $185.85
$91.35 - $185.85
$91.35
Brushseal, Nylon, 3-3/8-in Straight Holder, 2-in Brush (BNS3382)

Brushseal, Nylon, 3-3/8-in Straight Holder, 2-in Brush (BNS3382)

$98.70 - $200.55
$98.70 - $200.55
$98.70 - $200.55
$98.70

3-3/8" Straight x 2" Standard Duty Nylon Brush Seal 2" Black Nylon Brush 3-3/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

View full details
$98.70 - $200.55
$98.70 - $200.55
$98.70 - $200.55
$98.70
Brushseal, Nylon, 3-3/8-in Straight Holder, 3-in Brush (BNS3383)
Save up to 31% Save %

Brushseal, Nylon, 3-3/8-in Straight Holder, 3-in Brush (BNS3383)

$182.99 - $326.99
$182.99 - $326.99
$182.99
$111.30 - $226.80
$111.30 - $226.80
$111.30

3-3/8" Straight x 3" Standard Duty Nylon Brush Seal 3" Black Nylon Brush 3-3/8" Straight Aluminum Holder- Clear Mill Finish Pre-punched Slots for ...

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$182.99 - $326.99
$182.99 - $326.99
$182.99
$111.30 - $226.80
$111.30 - $226.80
$111.30
Save up to 31% Save %

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