Cal-Royal BWR-301 Nylon Brush ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$26.75
Cal-Royal Cal-Royal BWR-301 Nylon Brush with Extruded Aluminum Seal Retainer and Rain Drip CAL-BWR-301

Cal-Royal BWR-301 Nylon Brush Weatherstrip with Extruded Aluminum Seal Retainer and Rain Drip

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Model: BWR-301A-36
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$26.75
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Cal-Royal BWR-301 Nylon Brush Weatherstrip with Extruded Aluminum Seal Retainer and Rain Drip

The Cal-Royal BWR-301 is a nylon brush weatherstrip encased in an extruded aluminum seal retainer, engineered to seal the gap between the bottom of a door and the top of the threshold or floor surface. Featuring a 1/4" (6.4mm) width, a 1-1/4" (31.8mm) profile height, and a 1-5/8" (41.3mm) height including the brush, this weatherstrip is designed for use on wood or hollow metal doors in sweep, jamb/header gasketing, and split astragal applications. The integrated rain drip design deflects water, adding an extra layer of protection for exterior door openings, while the punched slotted holes allow for adjustment during installation.

Key Features

  • Width: 1/4" (6.4mm) for a low-profile fit against the door bottom.
  • Profile Height: 1-1/4" (31.8mm) aluminum retainer profile for durable mounting.
  • Height Including Brush: 1-5/8" (41.3mm) overall for full gap coverage.
  • High-Quality Nylon Brush Construction: Encased in an extruded aluminum seal retainer for long-term durability and reliable performance.
  • Energy-Efficient Sealing: Restricts air, light, sound, drafts, insects, moisture, smoke, and fire infiltration around the door opening.
  • Rain Drip Design: The BWR-301 configuration deflects water away from the opening for added weather protection.
  • Versatile Door Compatibility: Suitable for wood or hollow metal doors, including door sweep, jamb/header gasketing, and split astragal applications.
  • Adjustable Mounting: Punched with slotted holes to allow for fit adjustment during installation.

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Series: Brush Weatherstrips Series
  • Product Subgroup: Astragals, Gaskets and Weatherstripping
  • Product Type: Weatherstripping
  • Subcategory: Gaskets & Weatherstripping
  • Commercial/Residential: Commercial
  • Product Category: Door Trim and Accessories
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Cal-Royal BWR-301?

Cal-Royal weatherstripping products are engineered and tested for durability and reliable performance to meet or exceed industry standards. The BWR-301's nylon brush and extruded aluminum retainer construction, combined with its rain drip design, deliver dependable, energy-efficient sealing for demanding commercial door openings.

Product Specs

Product Group:
Door Trim and Accessories
Series:
Brush Weatherstrips Series
Product Subgroup:
Astragals, Gaskets and Weatherstripping
Product Type:
Weatherstripping
Subcategory:
Gaskets & Weatherstripping
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Cal-Royal BWR-301A-36 – Frequently Asked Questions

1) Will the Cal-Royal BWR-301 brush weatherstrip fit a hollow metal door, or is it only for wood?
Both. The BWR-301 nylon brush weatherstrip is built for wood or hollow metal doors, which covers most commercial openings on a school, office, or warehouse. The brush sits in an extruded aluminum retainer that screws to the door face or the frame, so the substrate only has to hold a fastener.
2) Can I use one BWR-301 for the door bottom and the jamb, or do I need different parts?
One part covers all three. The BWR-301 is made for door sweep, jamb and header gasketing, and split astragal applications, so a property manager standardizing a building can stock a single item and cut it for the bottom, the strike jamb, and the meeting stile on a pair. Order enough length for each run.
3) Is a nylon brush weatherstrip better than a neoprene or foam seal for my door?
Different jobs. A nylon brush like the BWR-301 sweeps over uneven or rough floors and tolerates constant traffic without dragging, which is why it suits warehouse, service, and high-cycle openings. A compression seal shuts tighter against a flat surface: the Hager 862S and 864S use a neoprene insert, and the Pemko Q103W is a kerf-in foam seal at 1-1/4 inch by 3/16 inch. If you need a hard air seal on a smooth threshold, look at the compression types; if the floor is uneven or the door drags, the brush is the one that keeps working.
4) I need a smoke seal on a rated door opening. Is the BWR-301 the right part?
For a smoke or fire-rated opening, specify a seal that carries the listing. The Hager 726S is a smoke seal weatherstrip with press-on installation, the Hager 862S is a 48 inch neoprene-insert strip for smoke and draft control, and the Pemko 68 is a fire-rated door top weatherstrip in 40 inch with a black sponge neoprene insert. Pick from those where the opening is rated, and use the BWR-301 nylon brush on the unrated exterior and service doors.
5) My door frame is kerfed. Will the Cal-Royal BWR-301 go in it?
No. The BWR-301 mounts as a surface-applied retainer with punched slotted holes for screws, not into a kerf. For a kerfed frame, the Pemko Q103W Series is a kerf-in foam weatherstrip with an extended flange at 1-1/4 inch by 3/16 inch. Use the BWR-301 where you are fastening to the door face or the frame face.
6) What is the difference between the Cal-Royal BWR-301 brush weatherstrip and the Pemko Q103W kerf-in foam weatherstrip?
They seal the same gaps by different means and mount differently. The BWR-301 is a nylon brush carried in an extruded aluminum seal retainer, surface applied with punched slotted holes so the strip can be adjusted at install, and it carries a rain drip that deflects water away from the opening. The Pemko Q103W is a kerf-in foam weatherstrip with an extended flange at 1-1/4 inch by 3/16 inch, and it is fire rated. Kerf-in means the frame has to have a kerf groove cut for the strip to push into; if the frame is a flat-face wood or hollow metal jamb with no kerf, the surface-applied BWR-301 is the one that mounts. If the opening is fire rated, the Q103W is the one that carries that rating.
7) I need weatherstripping for a fire rated door opening - can I use the Cal-Royal BWR-301?
For a fire rated opening, specify a strip that states the rating. The Pemko 68 is a fire rated door top weatherstrip in a 40 inch length with a black sponge neoprene insert, and the Pemko Q103W is a fire rated kerf-in foam weatherstrip with an extended flange at 1-1/4 inch by 3/16 inch. The Cal-Royal BWR-301 is a nylon brush in an extruded aluminum retainer with a rain drip, built for exterior weather sealing on wood or hollow metal doors in sweep, jamb and header gasketing, and split astragal applications - the right tool for keeping water, drafts and insects out of an exterior opening rather than for a listed fire assembly.
8) What should I use instead of the Cal-Royal BWR-301 if I am sealing an interior door for smoke and draft control?
Smoke and draft is a different job from rain and weather. The Hager 726S is a smoke seal weatherstrip with press-on installation in a charcoal finish, which mounts without drilling the frame. The Hager 862S is a 48 inch weatherstrip with a neoprene insert for smoke and draft control. The Cal-Royal BWR-301 is a nylon brush strip whose rain drip is there to deflect water away from an exterior opening, so on an interior corridor or stair door the drip profile is doing nothing for you and one of the neoprene or press-on smoke seals is the closer match.
9) Is the Hager 864S an equivalent to the Cal-Royal BWR-301 for gasketing a door frame?
They both gasket a frame but they seal with different material and come in different lengths. The Hager 864S is an 84 inch clear anodized aluminum adjustable jamb weatherstrip with a neoprene insert, so it arrives long enough to run a full jamb leg in one piece and it seals with a compressed neoprene bulb. The Cal-Royal BWR-301 seals with a nylon brush in an extruded aluminum retainer, is punched with slotted holes for adjustment at install, and comes in 36 inch and 48 inch lengths in Aluminum and Duronodic finishes. If you are gasketing an 84 inch jamb leg, the 864S covers it uncut; if you want a brush seal that sweeps across an uneven floor or a door with a wide bottom gap, the brush is what handles that.
10) How much does the BWR-301 stick out from the door face?
A quarter inch. The BWR-301 retainer is 1/4 inch (6.4mm) wide, so it adds very little to the door face and clears most thresholds, stops, and pull hardware without fouling the swing.
11) What lengths and finishes does the Cal-Royal BWR-301 come in?
Two lengths, 36 inch and 48 inch, each in Aluminum or Duronodic. The 36 inch covers a standard 3-0 door leaf and the 48 inch is for wider openings or for cutting down to jamb and header runs. Both finishes are offered in both lengths.
12) What does the rain drip on the BWR-301 actually do, and do I need it on an interior door?
The rain drip is a lip that throws water off the face of the door away from the opening, which matters on an exterior entrance taking wind-driven rain. On an interior opening it does nothing for you. If you only need a brush sweep on an interior door, the drip is extra profile you can skip.
13) I have a pair of doors with no mullion. Can the BWR-301 seal the gap between them?
Yes, that is the split astragal application. Mount a BWR-301 on the meeting stile so the brush closes on the opposite leaf, and the gap between the two doors seals without a center mullion. Use the 48 inch length if you need to run the full height of a leaf in one piece.
14) I need a 48 inch weatherstrip for a pair of doors - how does the Cal-Royal BWR-301 compare to the Hager 862S?
Both come at 48 inches. The Hager 862S is a 48 inch weatherstrip with a neoprene insert intended for smoke and draft control. The Cal-Royal BWR-301 is offered in a 48 inch length in both Aluminum and Duronodic finish, seals with a nylon brush carried in an extruded aluminum retainer, and is rated by the manufacturer for sweep, jamb and header gasketing, and split astragal use on wood or hollow metal doors - the split astragal application is the one that matters on a pair, since it seals the meeting stile gap between the two leaves. The rain drip on the BWR-301 also deflects water off an exterior pair.
15) Which weatherstrip installs without drilling into the frame?
The Hager 726S is a smoke seal weatherstrip with press-on installation in a charcoal finish, so it applies to the frame face without fasteners. The Cal-Royal BWR-301 is fastened - it is punched with slotted holes so the strip can be shifted for fit and then screwed down, which is what lets you dial in brush contact against the floor or threshold after hanging. On a leased space or a frame you do not want to drill, press-on is the option; where the seal has to be adjusted and hold position under traffic, the fastened slotted retainer is the reason to pick the BWR-301.
16) For standardizing weatherstripping across a building, which strips seal with neoprene and which seal with brush or foam?
Three sealing materials across the common commercial strips. Brush: the Cal-Royal BWR-301 uses a nylon brush in an extruded aluminum seal retainer, which tolerates an uneven or out-of-level floor because the bristles conform. Neoprene: the Hager 862S is a 48 inch weatherstrip with a neoprene insert for smoke and draft control, the Hager 864S is an 84 inch clear anodized aluminum adjustable jamb weatherstrip with a neoprene insert, and the Pemko 68 uses a black sponge neoprene insert. Foam: the Pemko Q103W is a kerf-in foam weatherstrip at 1-1/4 inch by 3/16 inch. Neoprene bulbs give a positive compressed seal on a true frame; brush is the forgiving one where the gap varies door to door.
17) Will Duronodic match the dark bronze hardware already on my doors?
Duronodic is the dark bronze anodized aluminum finish, and it is one of the two offered on the BWR-301 alongside plain Aluminum. If your existing closers, thresholds, and push plates are dark bronze, order Duronodic; for clear anodized or brushed aluminum trim, take the Aluminum finish.
18) Can I cut the BWR-301 weatherstrip down to length on site?
Yes. The brush sits in an extruded aluminum retainer, which cuts cleanly to length with a hacksaw or a miter saw with a non-ferrous blade. Order the 48 inch and trim it for a 36 inch leaf or for jamb runs; the slotted mounting holes still let you adjust the height after the cut.
19) Which weatherstrip comes in a dark finish to match bronze doors?
The Cal-Royal BWR-301 is offered in Duronodic as well as Aluminum, in both 36 inch and 48 inch lengths, so a dark bronze anodized appearance is available without painting the retainer. Among the neighboring strips, the Hager 726S smoke seal comes in a charcoal finish and the Hager 864S is clear anodized aluminum. If the doors and frames are dark bronze, Duronodic on the BWR-301 or the charcoal 726S will read closer than a clear anodized retainer.
How fast can I get the Cal-Royal BWR-301A-36 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Cal-Royal BWR-301A-36 come with a warranty?
Absolutely. The Cal-Royal BWR-301A-36 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Cal-Royal BWR-301A-36?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Cal-Royal BWR-301A-36 from ZenSupply?
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