Cal-Royal BTN-133 Door Bottom ...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$28.79
Cal-Royal Cal-Royal BTN-133 Door Bottom Sweep made of Extruded Aluminum Retainer and Neoprene Insert CAL-BTN-133

Cal-Royal BTN-133 Door Bottom Sweep with Extruded Aluminum Retainer and Neoprene Insert

(No reviews yet) Write a Review

Model: BTN-133DN-36
Selected Finish is

In Stock (leaves warehouse same day if ordered before 3pm ET)

$28.79
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Cal-Royal BTN-133 Door Bottom Sweep with Extruded Aluminum Retainer and Neoprene Insert

The Cal-Royal BTN-133 Door Bottom Sweep is engineered to seal the gap at the bottom of a door, restricting air, light, smoke, and insect infiltration for an energy-efficient opening. Constructed with an extruded aluminum retainer and a neoprene insert, this surface-mounted sweep is commonly used on the exterior of outswing doors and is compatible with both wood and hollow metal doors. It features a 1/4" (6.4mm) width, 1-1/4" (31.8mm) profile height, and 1-11/16" (42.9mm) total height, with punched slotted holes for easy adjustment during installation.

Key Features

  • Width: 1/4" (6.4mm) for a low-profile, unobtrusive seal along the door bottom.
  • Profile Height: 1-1/4" (31.8mm) sized to properly bridge the threshold gap.
  • Total Height: 1-11/16" (42.9mm) accounting for the full retainer and insert assembly.
  • Heavy-Duty Construction: Extruded aluminum retainer paired with a neoprene insert provides durable, long-lasting weather sealing performance.
  • Universal Door Compatibility: Designed for use on either wood or hollow metal doors for flexible installation options.
  • Adjustable Mounting: Punched with slotted holes to allow for fine positioning adjustment during installation.
  • Surface-Mounted Design: Applied to the face of the door, commonly used on the exterior of outswing doors.
  • Rain Drip Option Available: Also offered in a rain drip design (prefix BTSR) that deflects water away from the opening.

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Series: Brush Weatherstrips Series
  • Product Subgroup: Door Bottom Sweeps and Door Shoes
  • Product Type: Door Sweeps and Bottoms
  • 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 BTN-133?

Cal-Royal weatherstripping products are engineered and tested for durability and reliable performance to meet or exceed industry standards. The BTN-133's extruded aluminum retainer and neoprene insert construction delivers dependable, energy-efficient sealing for commercial door openings where consistent performance against air, light, smoke, and insect infiltration is essential.

Product Specs

Product Group:
Door Trim and Accessories
Series:
Brush Weatherstrips Series
Product Subgroup:
Door Bottom Sweeps and Door Shoes
Product Type:
Door Sweeps and Bottoms
Subcategory:
Gaskets & Weatherstripping
Commercial/Residential:
Commercial
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Cal-Royal BTN-133DN-36 – Frequently Asked Questions

1) Will the Cal-Royal BTN-133 door sweep fit a standard 36 inch commercial door?
Yes. The BTN-133 comes in 36 inch and 48 inch lengths, so a 36 inch door leaf takes the 36 inch piece as-is. For a 48 inch leaf use the 48 inch length. Aluminum retainer cuts down cleanly with a hacksaw if you need to trim to an exact leaf width.
2) Does this door sweep mount on the door face or under the door bottom?
It surface mounts to the face of the door. The BTN-133 is applied to the door face, and is most commonly run on the exterior face of an outswing door so it seals down onto the threshold when the door closes. It is not a shoe that wraps the bottom edge, and it is not mortised.
3) Can the BTN-133 sweep be installed on a hollow metal door, or is it wood only?
Both. The BTN-133 is made for wood and hollow metal doors. On hollow metal you will want self-drilling or sheet metal screws sized to the punched slots; on wood, standard wood screws.
4) I need rain deflection at the bottom of an exterior door - does the BTN-133 do that?
The standard BTN-133 is a surface-mounted sweep without a drip, typically applied to the exterior face of an outswing door. Cal-Royal offers the same design in a rain drip version under the BTSR prefix, which deflects water away from the opening. From another brand, the Pemko 3452 is a surface plate rain drip door bottom. Choose one of the rain drip forms where the door is exposed to driving rain, and the BTN-133 where a plain seal is sufficient.
5) What is the closest equivalent to the Cal-Royal BTN-133 door bottom sweep from another brand?
The BTN-133 pairs an extruded aluminum retainer with a neoprene insert for surface mounting on the face of a wood or hollow metal door. The NGP 197NA is the nearest match in material terms, a neoprene door sweep in an anodized aluminum housing. If you want to stay with an anodized housing to match the BTN-133 dark bronze anodized aluminum option, the 197NA is the one to look at; if you are matching mill finish aluminum, confirm the housing finish before ordering.
6) I need a door sweep that holds up to high heat - is the BTN-133 the right choice?
The BTN-133 uses a neoprene insert, which is a general purpose weather seal for air, light, smoke, and insect infiltration on commercial openings. For an opening with extreme temperature exposure, the NGP 200SA is a silicone door sweep in an anodized aluminum housing rated over a temperature range of -100 F to 500 F. Use the 200SA where heat is the driving requirement and the BTN-133 where standard commercial weather sealing is the requirement.
7) How far does this sweep stick out from the door face?
A quarter inch. The BTN-133 retainer is 1/4 inch (6.4mm) wide, so it sits close to the face and stays out of the way of trim, a stop, or an adjacent door in a pair.
8) What finishes does the Cal-Royal BTN-133 come in?
Two: mill finish aluminum and dark bronze anodized aluminum, both with the neoprene insert. Mill is the usual pick on aluminum storefront and unpainted hollow metal; dark bronze anodized matches bronze storefront and dark painted doors. Both are offered in 36 inch and 48 inch.
9) Neoprene or nylon brush, which door sweep should I use?
Neoprene like the BTN-133 is a solid wiping seal, better for blocking air, light, smoke and insects on a door that closes over a flat threshold. A brush sweep such as the NGP 600 1/2 inch nylon brush or the Pemko 29326NB brush door bottom drags less and tolerates uneven or carpeted floors, but it does not seal as tightly. Rough floor or high cycle counts favor brush; sealing performance favors neoprene.
10) Can I fine-tune the height after the screws are in?
Yes, that is what the slotted holes are for. The BTN-133 retainer is punched with slots rather than round holes, so you can set the screws loosely, slide the sweep up or down until the neoprene just kisses the threshold, then tighten. Too much compression drags on the door and wears the insert early.
11) I'm standardizing sweeps across a building. What are the close equivalents to the BTN-133 from other brands?
If you want the same neoprene-in-aluminum construction, the NGP 197NA neoprene door sweep with anodized aluminum housing is the direct counterpart. For a different insert material, the NGP 200SA uses silicone and is rated for minus 100F to 500F, which matters on boiler rooms or freezer vestibules. The Pemko 345V and Pemko 56 Series use Pemko's Eco-V insert instead of neoprene, with the 345V carrying GREENGUARD Gold certification if you are chasing green building credit.
12) Is there a vinyl version of this sweep instead of neoprene?
The Cal-Royal BTN-133 is supplied with a neoprene insert in every finish offered. If you prefer a vinyl seal in an aluminum housing, the NGP 101V is a vinyl door sweep with an aluminum alloy housing. Vinyl and neoprene are different insert materials, so match whichever your existing openings already carry when you are standardizing a building.
13) Is there a door bottom sweep with a green building certification I can use in place of the BTN-133?
The BTN-133 is a commercial weatherstrip with an extruded aluminum retainer and neoprene insert. If your project is chasing green building credits, the Pemko 345V is a professional door bottom sweep with a GREENGUARD Gold certified Eco-V insert, and the Pemko 56 Series door bottom sweep also uses the Eco-V insert and is offered in a 36 inch length that matches one of the BTN-133 lengths.
14) Is the BTN-133 a commercial grade sweep or a residential one?
Commercial. It is an extruded aluminum retainer with a neoprene insert, rated as a commercial product and used on office buildings, schools, healthcare, retail, warehouse, multi-tenant residential and government openings. Extruded aluminum holds its shape under repeated door slams far better than a roll-formed residential sweep.
15) Will the mounting screws show once this sweep is installed?
Yes. The BTN-133 fastens through punched slotted holes in the face of the aluminum retainer, so the screw heads are visible on the door face. If exposed fasteners are a problem on a visible entrance, the Pemko 29326NB uses a concealed fastener design instead.
16) Will this sweep work on an inswing door?
It can be mounted on the interior face of an inswing door, but the common application for the BTN-133 is the exterior face of an outswing door, where the sweep closes onto the threshold and sheds weather outward. On an inswing opening, many spec writers go with a door bottom or an automatic door bottom on the interior face instead so the seal is not fighting the swing over the threshold.
How fast can I get the Cal-Royal BTN-133DN-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 BTN-133DN-36 come with a warranty?
Absolutely. The Cal-Royal BTN-133DN-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 BTN-133DN-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 BTN-133DN-36 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!