Hettich HDS D1 Automatic Drop Seal (650-850 mm Door Width)

Overview

The Hettich HDS D1 is an automatic drop seal designed for timber (wooden) doors. It lowers automatically when the door closes to block dust, insects, light, and noise from passing under the door gap, and it also helps prevent heating or air-conditioning spillover between rooms.

What It Does

• Automatically drops a sealing bar against the floor when the door closes, and lifts when the door opens
• Blocks dust, mosquitoes/insects, and light from entering under the door
• Reduces noise transfer between rooms
• Helps prevent conditioned air (heating or air-conditioning) from escaping under the door
• Rated for 1,00,000 (100,000) operating cycles

Who It Helps

• Homeowners and interior fit-out teams sealing timber doors for bedrooms, home offices, or media rooms
• Builders and carpenters specifying door hardware for new construction or renovation
• Facility and office managers wanting quieter, dust-free, and energy-efficient room separation

Product Facts

Key Capabilities and Materials

• Button material: Copper
• Dust bar material: Rubber & Plastic
• Finish: Aluminium color
• Unit of sale: Set
• Cycle testing: 1,00,000 cycles

Available Door Width Variants

The HDS D1 drop seal is offered in multiple door width ranges. Confirm the exact door width before ordering:

Buyer Questions This Page Should Answer

What does the Hettich HDS D1 drop seal do?

It is an automatic drop seal fitted to the bottom of a timber door. When the door closes, a sealing bar drops to close the gap between the door and floor, blocking dust, insects, light, and sound, and reducing air spillover between rooms.

What door width does the HDSD1-850 fit?

This variant is sized for timber doors with a width between 650 mm and 850 mm. For wider doors, the 850-1000 mm or 1000-1200 mm variants are available.

What is the price and stock status?

What is it made of?

The button component is copper, the dust bar is rubber and plastic, and the visible finish is aluminium color.

How durable is it?

Hettich states the HDS D1 is tested for 1,00,000 operating cycles and carries a 2-year warranty.

Where is it manufactured?

Country of origin is listed as China.

Does it come with a warranty?

Yes, a 2-year warranty is included.

Resources or Next Steps

• Buy Hettich HDSD1-850 (650-850 mm) online
• Hettich Fittings online store
• For other door widths, ask about the 850-1000 mm or 1000-1200 mm HDS D1 variants, or enquire in-store for exact door measurement and fitting guidance.