The Lapcon® Door Damper (LDD) is a self door closer that makes door operation easier and more convenient by ensuring that doors close smoothly and securely when pushed.
Designed for interior swinging doors, the LDD takes hold of the door at 15° from the closed position and softly closes the door from there, regardless of how light or strong (within reason) the user has pushed it. There’s no more slamming, and no worries about doors being left ajar.
The LDD self door closer is ideal for bustling work environments, luxury spaces, and institutional settings. It saves time, improves workflow, and adds a premium or professional factor to the setting.
This page is for Model No. LDD-S-L/WT (left-hand opening, white color). See below for additional model options in the LDD Series or browse our other Door Accessories department for different types of door hardware.
LDD Self Door Closer Features
Superior Functionality & Easy Installation
The LDD system is easy to install both on existing doors and on new ones.
The cycle-tested, sturdy steel construction is durable and has a clean, minimalistic look.
After installing the LDD you can adjust the damper strength to best fit the door weight.
The damper function on the LDD can be easily disabled and reactivated as needed.
Compatible with Many Interior Swinging Doors
The LDD self door closer has a slim vertical profile of only ¾” and fits comfortably into most door frames.
The LDD supports interior door widths up to 36” (914 mm) and door weights between 33 and 88 lbs (15 – 40 kg).
The LDD design is handed for left- and right-opening doors, so make sure you order the appropriate models as needed.
The LDD is only for use on interior doors only, and should not be installed in areas with exposure to extreme temperatures, wind, humidity, or water.
About This Model (LDD-S-L/WT)
This self door closer model is LDD-S-L/WT, which is the surface mount type, with left-hand opening (opens toward you to your left), and a white color. We make eight surface mount LDD models are in all in the LDD Series, offering a variety of color options:
Following generations of commitment to high-quality hardware in Japan, Sugatsune America was established 40 years ago to serve our North American customers. From our very beginning we have strived to design and manufacture superior hardware for project managers, architects, contractors, and others who seek the best components for their design projects. Our hardware is durable, high-performance, and premium in look and feel—perfect for professional work environments for adding value in luxury settings.
We stock over 6,000 products in addition to the LDD self door closer, with new products launching every year in response to our customers’ needs, and we are AS9120 B and ISO 9001:2015 certified.
Contact us if you have any questions about the LDD Series or need help with product recommendations or technical support. We look forward to serving you!
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CAD files are available on each product’s detail page. Click the “CAD/BIM Files” tab, located in the middle of the page to download the different formats. If CAD files are not available for a specific component, please contact our Support Team