Professional Adjustable Threshold (4 in. x 36 in.)
The 4'' in. x 36 in. Adjustable Threshold with a low-profile sill directs water away from the door and provides many years of use. A simple screw adjusts the oak segment for maximum weather sealing.
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Height adjustable from 1-1/8 in. to 1-3/16 in. to ensure tight seal
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Heavy-gauge aluminum exterior with oak interior
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Thermal breaks keep cold air outside effectively
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Weather-Stripping for door bottom protection
Q1: Are you a manufacturer or trading company?
We are a professional door and windows seal, fire and acoustic seal products manufacturer with more than 20 years of experience for domestic and international markets.
Q2: What are your accepted payment methods?
For samples, we accept T/T and Western Union. For bulk orders, we prefer T/T (30% advanced payment, 70% before delivery). Other methods can be confirmed upon request.
Q3: Do you offer free samples for testing?
Yes, free samples are available for our customers to check the quality before placing an order.
Q4: Can you provide OEM services or customize based on drawings?
Yes, we offer full OEM services. We can customize products according to your technical drawings or create drawings based on your provided samples.
Q5: What is the typical delivery time for an order?
Generally, shipment is arranged within 7-30 days after receiving the deposit, depending on the specific purchasing quantities and customization requirements.
Q6: How do you ensure product quality control?
We provide sample confirmation before production. During manufacturing, our professional QC staff controls the process to ensure every item matches the confirmed samples.