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Sound Lock™ Soundproof Door

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Second Skin’s Acoustic Pro Wall and Ceiling Panels are designed to solve your acoustical needs while enhancing the aesthetic look of your space. With a variety of options to choose from including sizes, shapes and colors it is easy to create the perfect solution for your reverberation sound problems. Acoustic Pro Wall & Ceiling Panels provide the ultimate in acoustical performance with excellent NRC ratings as high as 1.15. They are available in two standard thicknesses: 1” and 2”. The panels are constructed with a 6-7# PCF rigid fiberglass absorber core. The panel edges are chemically hardened and are available in a square edge profile.



  • • High-quality, economical, multi-purpose panels
  • • Excellent acoustical performance
  • • Class A fire rated
  • • Custom sizes and shapes


  • • Schools / Universities
  • • Auditoriums
  • • Houses of Worship
  • • Office Spaces
  • • Theaters / Studios
  • • Multi-Purpose Rooms
  • • Conference Rooms


Second Skin Acoustic Pro Wall & Ceiling Panels are available in Guilford Anchorage 2335 in a variety of colors: colors for acoustic panels including birch, fossil, asteroid, onyx, red delicious, sunshine, green apple, lapis colors for acoustic panels including birch, fossil, asteroid, onyx, red delicious, sunshine, green apple, lapis DOWNLOAD COLOR CHART


shapes including square, rectangle, plank, circle, hexagon and triangle shapes including square, rectangle, plank, circle, hexagon and triangle DOWNLOAD SHAPE DRAWINGS


rotofast anchors
ROTOFAST ANCHORS Included with Your Order
impaling clip


edge detail


125 0.14 0.22
250 0.27 0.81
500 0.80 1.24
1000 1.11 1.30
2000 1.14 1.21
4000 1.14 1.16
NRC 0.85 1.15


Download our full spec sheet below: DOWNLOAD SPEC SHEET

Sound Lock™ Soundproof Door



Product Information

  • High performance soundproof interior finished in real oak veneer
  • STC rating up to 56
  • Attractive and durable
  • Cost-effective door soundproofing option
  • Pre-hung and pre-assembled for a simpler installation
  • Ready to stain or paint to match your design aesthetic
  • Proudly made in the USA 


  • Type of Wood: Oak (standard), Maple, Birch, Cherry, Walnut, Custom wood species
  • Size: Nearly any size specification
  • Thickness: 2-3/4"
  • Weight: Over 350 lbs
  • Window Options: 10" x 10", 6" x 28", 22" x 28", 22" x 56"
  • Custom finishes and hardware options available

Product Uses

  • Install this soundproof door anywhere an interior soundproof door is required.
  • Recording studios, offices, schools, classrooms, auditoriums, gyms, music rooms, hotels, dorm rooms, conference rooms, restaurants, bars, manufacturing facilities, entertainment venues

Select Your Door Swing

left-hand-swing-sm.jpeg   right-hand-swing-sm.jpeg


Installation Guide

  • Door is designed for a 2x4 or 2x6 construction. 6" jamb extensions available to meet any wall thickness
  • Recommended to double stud the entire opening. At minimum, must double stud the hinge side of the door. Steel studs should be backed with wooden studs.
  • The bottom seal must drop onto a hard surfaces. For carpeted floors, you must put in a hard transition.
  • Adjustable and mechanical seals are built into the door. Adjust them correctly before putting the caps on the door.
  • This door weighs 350 lbs and is designed for top end soundproofing. Installation should be done with tighter tolerances and attention to detail. READ THE GUIDE before attempting installation.
  • Sound Lock Soundproof Door Install Guide PDF


Contact us if you have questions!



Sound Transmission Class

 Type of Soundproof Door
  STC Rating 
 Standard Oak Door 56
 Oak Door with Small Window 54-55
 Oak Door with Large Window  52-53






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