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SB5

Custom Component Manufacturing Partner

Custom Brush Seals,
Weatherstripping & Components.

B2B manufacturer of custom brush seals, pile weatherstripping, EPDM seals, roller tubes, idlers and endcaps for window covering, shading, fenestration and access-system OEMs. Save 15-20%+ vs. incumbents with free verification samples before any production commitment. High-volume items are in stock in Plant City, FL and ship within days of a confirmed match.

Or see how our process works · Stocked items ship in days · Custom runs 21–55 days (60–90 for fully custom tooling) · Warehoused reorders

15-20%+

Cost Savings

100%

Custom-to-Spec

1-3 day

Stock Ship Times

Free

Samples Before Orders

Industries We Serve

18 Industries. One Partner.

Our core components - brush seals, EPDM weatherstripping, idlers, endcaps, brackets, and fasteners - serve manufacturers across 18 industries.

Also Serving — $8-12B Addressable Market

🏢

Self-Storage Doors

28.4M installed doors across 52,000+ US facilities

🔥

Fire Protection

NFPA 80 mandated inspections drive recurring seal replacement

🚛

Loading Dock Equipment

Every dock leveler requires 20-30 ft of perimeter brush seal

🛗

Elevator & Escalator

1.1M US elevators; NYC mandated escalator skirt deflectors

🌾

Agricultural Equipment

A single grain bin uses 5,000-15,000+ bolts

🏭

Food Processing

FDA 21 CFR 177.2600 compliant seals replaced weekly/monthly

🚧

Rolling Doors & Gates

Closest adjacency - same seals, rollers, and brackets

Electrical Enclosures

NEMA 4/4X and IP65+ enclosures require full perimeter gaskets

✈️

Aerospace & Hangars

Hangar doors 100-300+ ft wide with massive seal requirements

🚆

Rail & Transit

Buy America provisions favor US-based component suppliers

🤖

Industrial Automation

Brush plates, cable entry seals, and machine guard gaskets

Marine & Maritime

316L stainless fasteners and marine-grade EPDM hatch seals

Why Manufacturers Choose SB5

Proven 15-20% reduction vs incumbents. Same design. Zero risk.

We're a custom component manufacturing partner, not a stock distributor. Every relationship starts with free verification samples so there's zero risk before you commit to production.

Free Verification Samples

Before you commit to any production order, we manufacture free samples so your engineering and QC teams can verify quality firsthand. No risk, no surprises.

Request samples

Custom Made to Your Specs

Every part manufactured to your exact drawings, dimensions, and tolerances. Send us a sample or CAD file - we'll match or improve on what you're already using.

Start a quote

Equal or Better Quality

We don't cut corners - we cut costs. We source through a vetted network of manufacturers and run quality verification before anything ships to your facility.

How we vet partners

Warehoused for Reorders

After your initial sample approval, we stock your parts in our Plant City, FL warehouse. Reorders ship fast - no more waiting through the full production cycle every time.

See our process

The Domestic Advantage

Custom First. Stocked After. Zero Surprises.

We're a custom component manufacturing partner. First orders start with free samples and 21–55 day production runs for standard configurations (60–90 days for fully custom tooling). Once your parts are approved, we warehouse them in Plant City, FL so reorders ship fast.

Day 1-2

Step 01

Quote

Send specs, drawings, or a current part. We quote within 24-48 hours.

1-3 weeks

Step 02

Free Verification Sample

We manufacture and ship samples at no cost. Verify fit, finish, and quality.

21–55 days standard / 60–90 custom tooling

Step 03

Production

Once you approve the sample, we place the production order and manage the supply chain end-to-end.

Reorders ship in days

Step 04

Warehoused in Plant City

After approval, we stock your parts in our FL warehouse. Reorders skip the full production cycle and ship fast.

Our Products

Featured Components

View All Products
Pile weatherstrip brush seal with polypropylene bristles on woven backing strip
Brushes & Seals

Pile Weatherstrip

Polypropylene pile weatherstrip for fenestration, shading, and access system applications. Available in a wide range of pile heights and backing widths to fit any track or channel profile. Custom lengths and densities available.

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T-slot channel brush seal with long black bristles in aluminum carrier on dark studio background
Brushes & Seals

T-Slot Brush Seal

Industrial brush seal with rigid T-slot or snap-in carrier for guide track channels, side rails, and housing extrusions. Slides or snaps directly into aluminum T-slot channels. Available in standard and high-density filament options.

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Double-fin brush seal strip with black bristles on white studio background
Brushes & Seals

Brush with Fin Seal

Combination brush and fin seal for enhanced air and light blocking. The rigid center fin provides a true weather seal while the surrounding pile filaments fill gaps and reduce vibration.

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Brush membrane seal with fin and dense pile bristles on dark studio background
Brushes & Seals

Brush + Membrane Seal

Heavy-duty brush seal with integrated rubber membrane backing for maximum sealing performance. Used in overhead door bottoms, loading dock seals, and industrial enclosure perimeters.

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Large format weatherstripping brush seal with dense dark bristles and metal backing channel
Brushes & Seals

Large-Format Brush Seal

Extra-wide brush seals for bottom bars, weight bars, and industrial applications requiring extended pile reach. Available with 12.5mm and 12.8mm wide carriers for heavy-duty mounting.

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Dense polypropylene fur strip brush weatherstrip with woven backing on dark background
Brushes & Seals

Fur Strip

Continuous fur strip for acoustic damping, dust sealing, and light blocking in shading housings, commercial doors, and residential applications. Available with 12.5mm or 12.8mm backing widths for motorized screen channels. Sold in bulk spools.

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Zero Risk. Zero Obligation.

Start With Free Verification Samples

Send us your specs or a current part. We'll quote it within 48 hours and ship you free verification samples so your team can test quality firsthand — before committing to any production order.

  • Free samples manufactured to your exact specs
  • Unlimited revisions until you approve
  • No production order until you sign off
  • Most customers save ~18% switching to SB5

Industry Sample Kits

  • Fenestration Seal Kit

    Pile weatherstrip, bulb seals, corner keys

  • Shading Solutions Kit

    Brush seals, roller tube samples, endcaps

  • Access Systems Kit

    Perimeter brushes, bottom seals, rollers

  • Data Center Brush Grommet Kit

    Various cable pass-through sizes

Free to qualified manufacturers. We review usage requirements first.