Q: Can door bottom seals be used in damp bathrooms?

A: Yes, choose waterproof silicone/rubber styles to stop water leakage and moisture. Avoid ordinary foam types as they easily absorb water, get moldy and degrade quickly.

Q: What is the service life of a door bottom seal?

A: Silicone/rubber seals last 1-3 years under normal use; foam/sponge ones only last about 6 months to 1 year. Replace when hardened, cracked or peeling.

Q: Can I cut the door bottom seal to adjust its length?

A: Yes, you can trim it with a utility knife or scissors. Keep the cut straight to maintain good sealing performance.

Q: Can door bottom seals block all outside noise completely?

A: No. They mainly reduce medium and high-frequency noise passing through door gaps. For better sound insulation, use them together with door frame seals and soundproof curtains.

Tobs Automatic Drop-Down Seal - Fire & Soundproof Aluminum Threshold for Doors/Windows

Name: Tobs Automatic Drop-Down Seal - Fire & Soundproof Aluminum Threshold for Doors/Windows
Brand: Kejian Polymer Material(Shanghai) Co., Ltd.
SKU: 2303860115

Shanghai, ChinaKejian Polymer Material(Shanghai) Co., Ltd.

US$5.50-9.80

100 Pieces

Sample price:US$7.50/piece.Request sample

Product profile

Customization

Available

Material

Sponge Rubber

Usage

Doors & Windows

Model NO.

Under Door Seal

Type

Metal Rubber Compound Sealing Strip

Sectional Shape

Rectangle

Performance

Wear

Standard

Standard, Nonstandard

Product Name

Automatic Heavy Duty Metal Door Bottom Sweep

Materials

Synthetic Fiber/Rubber

Application

Door Bottom

Included Components

Automatic Door Bottom Mortised

Color

Silver, Clear Aluminum

Transport Package

Polybag+Carton

Specification

Determine based on product size

Trademark

TOBS

Origin

Shanghai, China

HS Code

39263000

Production Capacity

5000000PCS/Month

Key features

Sealing with the Automatic Door Bottom: it drops down tightly when the door closes (eliminating gaps) and retracts when opened-no manual adjustments needed. Crafted from durable aluminum.

All-Round Protection as an Automatic Door Sweep: Block drafts, dust, small creatures, and noise effectively: this automatic sweep creates a seamless barrier between your door and floor.

The Automatic Drop Down Door Seal: Designed to leave zero gaps when closed, this drop-down seal enhances privacy, blocks light leakage, and keeps small creatures out of your space.

This sweep is tough enough for high-traffic commercial spaces (offices, retail stores, hotels, homestays, apartments) and homes while remaining easy to install.

Company profile

Importers and ExportersCooperated with Fortune 500High Repeat Buyers ChoiceYears of Export Experience

Kejian Polymer Material(Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤5.12h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, and R&D capabilities. Evidence indicates established procedures for supplier assessment, corrective and preventive actions, customer complaints, and finished-product inspection. It offers OEM and ODM services, broad customization, five production lines, stated output capacity, in-stock service, and overseas-agent or branch support. However, it has no valid manufacturing-capacity contract with associated subcontractors, no overseas warehouse or showroom, no new product reported in the past year, and its overseas-service country count is stated as zero. Certification holdings, specific financial performance, and customer case details are not sufficiently documented.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaints, provides in-stock service, and supports overseas agents or branches. Countervailing limitations include no overseas warehouse, no overseas showroom, and a stated overseas-service country count of zero.

R&D capabilityThe supplier reports 30 total years of R&D-engineer experience, available SDK capability, ODM services, and multiple design-support options. However, it also states that no new product was developed in the past year, so the evidence shows established capability but limited recent innovation activity.

Production capacityProduction evidence includes five production lines, stated annual productivity for several product categories, in-stock capability, standardized finished-product inspection, and lead times within 15 workdays in both peak and off seasons. The lack of a valid manufacturing-capacity contract with associated subcontractors is a documented weakness, but the supplier has substantial direct capability indicators.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full and minor customization, flexible customization, and ODM services. This is direct evidence of broad customization support.

Product Q&A

Q:What is the main function of the door bottom seal?

A: It mainly fills door gaps to reduce noise, block wind, dust, insects and rodents, save energy for heating and air conditioning, prevent moisture damage and extend door service life.

Q:Q: What types of doors are suitable for door bottom seals?

A: It works for most swing doors, including wooden interior doors, security doors, aluminum alloy doors, plastic steel doors, bathroom doors and balcony doors. Please check the gap height first.

Q:Do I need to drill holes to install it? Will it damage the original door?

A: Most self-adhesive versions require no drilling and will not damage door paint when removed properly. Clip/screw styles need drilling for permanent installation.

Q:Q: What gap size fits the door bottom seal?

A: Standard products fit 3mm~15mm gaps. Please measure the actual door gap accurately before purchase to avoid jamming or poor sealing.

Q:Q:How to fix easily falling self-adhesive seals?

A: It wont jam the door if the correct size is chosen and trimmed properly. If jamming occurs, trim excess material or adjust the position.