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Pemko 307 Fire-Rated Door Bottom Sweep with Eco-V Insert
The Pemko 307 Door Bottom Sweep delivers comprehensive fire and smoke protection for commercial door assemblies. Its durable aluminum extrusion and advanced Eco-V insert technology meet UL10C positive-pressure fire rating and UL1784 smoke testing requirements — making it a go-to specification for fire-rated door assemblies in offices, schools, healthcare facilities, and multi-family properties. Available in Mill Finish and Dark Bronze Anodized Aluminum, in lengths from 36" to 48" (including a 36"×84" continuous-length option).
Features & Benefits
- Fire and Smoke Compliance: UL10C fire rated (positive pressure) and UL1784 smoke tested — covers life safety code requirements for fire-rated door assemblies.
- GREENGUARD Gold Certified: Low chemical emissions support healthy indoor air quality in occupied commercial and institutional spaces.
- UL 4L10 Listed: Comprehensive UL listing provides code compliance assurance for AHJ submittals.
- Eco-V Insert (EV54): Gray Eco-V insert included; black and white insert options available for finish coordination. PemkoPrene insert also compatible.
- Aluminum Construction: Corrosion-resistant aluminum substrate built for demanding commercial environments.
- Multiple Lengths: Available in 36", 42", 48", and 36"×84" — select the correct length for your opening at the variant level.
- 5-Year Warranty: Manufacturer-backed coverage for commercial installations.
Technical Specifications
- Model: 307
- Profile Dimensions: H: 1-7/8", W: 1/4"
- Available Lengths: 36", 42", 48", 36"×84" (see variant)
- Substrate: Aluminum
- Finish Options: Mill Finish Aluminum (AV), Dark Bronze Anodized Aluminum (DV)
- Insert Type: Eco-V Insert (EV54) or PemkoPrene
- UL Listings: UL10C (Fire Rated), UL1784 (Smoke Tested), UL 4L10
- Environmental: GREENGUARD Gold Certified
- Application: Commercial
- Warranty: 5 Year
Typical Applications
- Fire-Rated Door Assemblies
- Commercial Office Buildings
- Educational Facilities
- Healthcare Institutions
- Multi-Family and Multi-Tenant Residential
- Government and Municipal Buildings
- Industrial and Warehouse Facilities
Manufacturer Resources
Pemko/Markar Products Full Line Catalog
Product Specs
- Insert Type:
- Eco-V Insert or PemkoPrene
- Warranty:
- 5 Year
- Subcategory:
- Door Sweeps
- Product Group:
- Door Trim and Accessories
- Product Subgroup:
- Door Bottom Sweeps and Door Shoes
- Product Type:
- Door Sweeps and Bottoms
- Commercial/Residential:
- Commercial
- UL Listing Type:
- Smoke Tested - UL1784, Fire Rated - UL10C, Underwriters Laboratory 4L10, GREENGUARD Gold Certified
- Product Model:
- 307
- Product Length:
- 36", 42", 48", 36" x 84" (select variant)
- Product Dimension:
- H: 1-7/8", W: 1/4", L: 36"–48" (see variant)
- Product Category:
- Door Trim and Accessories
- Product Substrate:
- Aluminum
- Department:
- Door Hardware
Pemko 307DV36 – Frequently Asked Questions
1) What length Pemko 307 door sweep do I need for a 3-0 or 3-6 door?
Four lengths, and both finishes are offered in every one of them: 36 inch, 42 inch, 48 inch, and a 36 x 84 inch option. A 3-0 leaf measures 36 inches wide, so it takes the 36 inch sweep; a 3-6 leaf takes the 42 inch; a 4-0 leaf takes the 48 inch. Measure the leaf itself, not the frame opening, and on a pair of doors order one sweep per leaf rather than one for the whole opening.
2) Can I put an NGP 101V vinyl sweep on a labeled fire door in place of a Pemko 307?
Treat those as two different specifications. The NGP 101V is a vinyl door sweep with an aluminum alloy housing, sized for general weather and light sealing work on ordinary interior and exterior doors. The Pemko 307 is the unit carried with the life-safety listings on a labeled opening: UL10C positive-pressure fire rated, UL1784 smoke tested, and Underwriters Laboratory 4L10, in an aluminum extrusion with an Eco-V or PemkoPrene insert. When a door carries a fire label and the hardware schedule names the seal by its listing, order the 307 and keep the listing number with your closeout documents for the AHJ. On an unlabeled storeroom, office, or utility door, the 101V is doing the same physical job of closing the gap under the door.
3) What seal insert comes in the Pemko 307, and can I change the color or replace it later?
The 307 ships with the gray Eco-V insert, part EV54. Black and white Eco-V inserts are available if you are coordinating with a dark bronze door or a white painted frame, and the aluminum retainer also takes a PemkoPrene insert. That matters more over the life of the opening than at install: the insert slides in and out of the retainer, so when the seal is torn or worn flat from a few thousand cycles, you replace the insert and leave the extrusion and the screws in the door.
4) Is the Pemko 307 the right door sweep for a boiler room, mechanical room, or walk-in freezer door?
For a temperature extreme, look at the NGP 200SA instead. It is a silicone sweep in an anodized aluminum housing with a stated range of -100 F to 500 F, which is the spec that matters on a freezer door or next to hot equipment. The Pemko 307 is the sweep to specify when the driving requirement on the door is the fire and smoke rating, UL10C and UL1784. If the mechanical room door happens to be both rated and hot, sort out the rating first, because that one is code.
5) Which sweep is the closest match to the Pemko 307 if the rest of the building already uses neoprene seals?
The NGP 197NA is a neoprene door sweep with an anodized aluminum housing, and the Cal-Royal BTN-112 is a door bottom sweep with an extruded aluminum retainer and a neoprene insert. Both keep the same aluminum-carrier-plus-elastomer-seal construction as the Pemko 307, which uses a gray Eco-V insert (EV54) with black and white insert options and also accepts PemkoPrene. Neoprene is the older, familiar elastomer on commercial door bottoms, so if you are swapping one sweep in a corridor and want the replacement to wear and look like the units on either side of it, the 197NA or the BTN-112 keeps that material consistent. Where the door is part of a fire-rated assembly, the 307 is the one carrying UL10C and UL1784, so check the door label before you substitute on material alone.
6) Does the Pemko 307 come in dark bronze, and which finish should I order for an exterior door?
Two finishes on the 307, both aluminum: Mill Finish Aluminum, called out as AV, and Dark Bronze Anodized Aluminum, called out as DV. Mill is bare aluminum and disappears against an aluminum storefront or a hollow metal service door. Dark bronze picks up bronze storefront framing and dark painted doors, and the anodizing leaves a hard oxide layer on the surface, which is the finish to put on an opening that sees weather. Both finishes run in all four lengths, so you can standardize a building on one look without giving up a door width.
7) Will a Pemko 307 sweep stop the draft and light gap under an apartment or corridor door?
The Eco-V insert on the 307 hangs below the aluminum retainer and wipes the floor or threshold, closing the gap under the leaf to air, dust, light and smoke. The smoke side of that is measurable rather than a claim: the 307 is UL1784 tested, and UL1784 is the air leakage test for door assemblies. On a fleet of tenant or corridor doors it is the same part in every opening, which keeps the reorder simple when the seals start to wear.
8) Is the Pemko 307 door bottom acceptable for a school or hospital project with indoor air quality requirements?
GREENGUARD Gold certified, which is the low chemical emissions certification specifiers write into school and healthcare interiors. Paired with the UL10C fire rating and the UL1784 smoke test, the 307 covers both halves of what an institutional spec usually asks of a bottom seal on a rated corridor or stair door, so one part number can carry across classroom wings, patient corridors and stairwells.
9) I need the door sweep to match dark bronze anodized hardware on the rest of the openings. What are my options?
The Pemko 307 is made in Dark Bronze Anodized Aluminum and Mill Finish Aluminum, so the bronze finish is available straight from the same model in 36 inch, 42 inch, 48 inch and 36 inch by 84 inch lengths. Among the comparable sweeps, the NGP 197NA neoprene sweep and the NGP 200SA silicone sweep both use anodized aluminum housings, which is the same finishing process and the closest match in appearance and corrosion behavior. The NGP 101V uses an aluminum alloy housing and the Cal-Royal BTN-112 uses an extruded aluminum retainer. Confirm the exact finish code when you order any of them, since anodized bronze shades vary between manufacturers and a sweep sits at eye level for anyone standing at the door.
How fast can I get the Pemko 307DV36 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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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 Pemko 307DV36 come with a warranty?
Absolutely. The Pemko 307DV36 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 Pemko 307DV36?
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