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Door Seal

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Ar. Md Shahroz Alam
Ar. Md Shahroz Alam

1) The document provides instructions for installing door seals and mass dampening to improve soundproofing of solid core doors. It describes cutting felt strips and slots in the door edges and frame to create a tight seal when closed. 2) Steps include measuring gaps, installing a threshold, cutting felt to size, gluing felt into slots, adjusting for a tight fit, and adding foam pads over hinges. 3) For mass dampening, the instructions describe laying strips and squares of soundproofing material on the door, attaching moisture-resistant sheetrock on top, and optional trim molding.

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ACOUSTIC SCIENCES CORPORATION DOOR SEAL INSTALLATION Required Tools: Kit Includes: 1 This guide is intended to help sound- solid-core proof new and existing solid- core • white or carpenters glue • 222” of 1” wide felt gasket doors by adding perimeter felt wiper • table saw (with 1/4” dado blade) • 42” of 1-1/4” wide felt gasket gaskets. or • 3 self-stick foam pads • router (with 1/4” wide x 1” deep bit) • 1 threshold (*optional) • 3” long (approx.) hat pin or similar (low-profile or handicap type) SOLID CORE DOOR • scissors / knife PANELS) (NO PANELS) • flashlight (recommended) Fig-1 ig-1 • threshold (low-profile handicap type) FELT WIPER FELT THRESHOLD FLOORING FLOORING To install the door seal kit, simply follow these steps: 1) With the door closed, check the gaps between the door and the jamb on all sides. Consistent gaps of 1/8” work the best. You may need to plane or cut down the door to achieve this gap size. The gap at the bottom of the door most likely is larger than the others. The threshold will take up most of this gap, while the felt will seal the rest. 2) Remove door from jamb. Remove any hinges, locks or hardware. 3) Install a low-profile threshold (handicap type) centered under the (closed) door. Follow the manufactures installation instructions when possible. See Fig-1. 1/4” wide 1” deep slot at the top To install the felt gasket wipers to the door, simply follow these steps: 1/4” wide 1” deep slots 4) Cut or router a 1/4” wide x 1” deep slot in the center of the door edges around the Fig-2 ig-2 on the sides entire perimeter. Be sure to stop the slot short of each hinge and lock area. Cutting through these areas will affect the reinstallation of the hinges and locks. Use the standard slot cut for most applications. For more advanced applications, cut one of the other optional slot profiles 1/4” wide for a better ‘sweeping’ action by the felt wiper. See Fig-2, 3 & 4. 1” deep slot 5) Cut the felt strips to length to fit each slot. Use 1” felt on the top & sides. Use 1-1/4” felt at the bottom at the bottom. The felt is slightly stretchable (compressible) 1/4" to make fitting easier. You may need to cut the ends of the 1/4" 1/4" felt at a slight angle (tapered) to fit the profile of the slot cut 1" 1" 1" around the hinge and lock areas. See Fig-4 & 5. Fig-3 ig-3 6) If adding a mass dampening layer to the surface of the door, do so at this time. See installation guide. 7) Reinstall hinges, locks and other hardware. STANDARD SLOT STAND ANDARD SLO SLO OPTIONAL SLOT SLO OPTIONAL SLOT 8) Use white or carpenters glue for all adhesion applications. PROFILE PROFILE PROFILE
ACOUSTIC SCIENCES CORPORATION DOOR SEAL INSTALLATION 2 STOP SLOT CUTS STOP SLO SHORT SHORT OF HINGE STOP SLO STOP SLOT CUTS AREA SHORT OF LOCK SHORT LOCK PLATE PLATE AREA TYPICAL FELT FELT LAY LAYOUT HINGES LOCK Fig-4 ig-4 DOOR SHOWN FELT WITH FELT FOAM PAD PAD OVER HINGES DOOR SHOWN WITH FELT & FOAM SEAL FELT OVER HINGE PLATE PLATE 9) With the door still removed (not hung), apply a generous bead of glue into the bottom of the slot cuts and insert the felt strips. Press the felt all the way into the slots to make contact with the glue. Use 1” felt on the top & sides. Use 1-1/4” felt at the bottom. Wipe off any excess glue. Carefully pull out the felt about a 1/16” to 1/8”. Do not let the glue dry. 1” felt 10) Re-hang the door. at the top 11) Carefully close the door to check the fit of the felt to the jambs and threshold. Keep the door closed. Use a hat pin (or similar) to carefully pry the felt out to close the gap and make consistent and tight contact to the jambs & threshold. You may wish to use a flashlight. This will help you see Fig-5 ig-5 1” felt the gaps’ consistencies. at the sides 12) Let the glue completely cure (about 24 hours). 13) Carefully open the door to test the seal. The door may be difficult to open / close at first. The felt will conform in time for a smoother operation. 1-1/4” felt 14) Cut the self-stick foam pads to fit over each hinge plate on the door. Remove the backing and adhere. at the bottom 1 800 272 8823 www.asc-soundproof.com
DOOR SEAL ACOUSTIC SCIENCES CORPORATION MASS DAMPENING INSTALLATION Required Tools / Parts: Kit Includes: This guide is intended to help soundproof new and existing doors by adding exterior • 1/2” moisture resistant sheetrock (green) • 25 WallDamp Squares mass dampening. dampening. • trim moulding (optional) • 24’ WallDamp Strips • white or carpenters glue (optional) • rubber mallet • razor knife (for sheetrock) • construction adhesive (such as Liquid Nails™ or Nail Pro™) To install the mass dampening to the door surface, simply follow these steps: 1) Remove the door for ease of application. 2) Layout and cut the moisture resistant sheetrock to fit the door. The sheetrock may be cut in any size / shape to allow for hardware and/or windows, etc. Make sure to leave the proper clearances to allow for the overlap of the door jamb. The more surface coverage on the door the better. See Fig-2. Note: If you know that the door handle to be used will extend another 1/2” - 5/8” you may reinstall it directly on the sheetrock instead of cutting the sheetrock to fit around it. 3) Place Walldamp strips around the perimeter of where the sheetrock will be adhered. Use a rubber mallet to set the release adhesive. See Fig-1. 4) Place Walldamp squares, spaced evenly (about 8” on-center or 50% coverage), within the Walldamp strip border. Use a rubber mallet to set the release adhesive. See Fig-1. 5) Place a small dab (dime sized) of construction adhesive centered on each WallDamp square. 6) Set the sheetrock in place on the door and use ample pressure to set the adhesive. See Fig-2. 7) Optional -- Cut and attach trim moulding around the sheetrock edges to finish. If you do not wish to use moulding to trim the sheetrock, coat the raw edges of the sheetrock with white or carpenters glue to seal the gypsum. 8) Paint / finish as desired. dab of construction adhesive WallDamp Strips 1/2” sheetrock Fig-1 ig-1 Fig-2 ig-2 WallDamp Squares 1 800 272 8823 www.asc-soundproof.com

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Door Seal

  • 1. ACOUSTIC SCIENCES CORPORATION DOOR SEAL INSTALLATION Required Tools: Kit Includes: 1 This guide is intended to help sound- solid-core proof new and existing solid- core • white or carpenters glue • 222” of 1” wide felt gasket doors by adding perimeter felt wiper • table saw (with 1/4” dado blade) • 42” of 1-1/4” wide felt gasket gaskets. or • 3 self-stick foam pads • router (with 1/4” wide x 1” deep bit) • 1 threshold (*optional) • 3” long (approx.) hat pin or similar (low-profile or handicap type) SOLID CORE DOOR • scissors / knife PANELS) (NO PANELS) • flashlight (recommended) Fig-1 ig-1 • threshold (low-profile handicap type) FELT WIPER FELT THRESHOLD FLOORING FLOORING To install the door seal kit, simply follow these steps: 1) With the door closed, check the gaps between the door and the jamb on all sides. Consistent gaps of 1/8” work the best. You may need to plane or cut down the door to achieve this gap size. The gap at the bottom of the door most likely is larger than the others. The threshold will take up most of this gap, while the felt will seal the rest. 2) Remove door from jamb. Remove any hinges, locks or hardware. 3) Install a low-profile threshold (handicap type) centered under the (closed) door. Follow the manufactures installation instructions when possible. See Fig-1. 1/4” wide 1” deep slot at the top To install the felt gasket wipers to the door, simply follow these steps: 1/4” wide 1” deep slots 4) Cut or router a 1/4” wide x 1” deep slot in the center of the door edges around the Fig-2 ig-2 on the sides entire perimeter. Be sure to stop the slot short of each hinge and lock area. Cutting through these areas will affect the reinstallation of the hinges and locks. Use the standard slot cut for most applications. For more advanced applications, cut one of the other optional slot profiles 1/4” wide for a better ‘sweeping’ action by the felt wiper. See Fig-2, 3 & 4. 1” deep slot 5) Cut the felt strips to length to fit each slot. Use 1” felt on the top & sides. Use 1-1/4” felt at the bottom at the bottom. The felt is slightly stretchable (compressible) 1/4" to make fitting easier. You may need to cut the ends of the 1/4" 1/4" felt at a slight angle (tapered) to fit the profile of the slot cut 1" 1" 1" around the hinge and lock areas. See Fig-4 & 5. Fig-3 ig-3 6) If adding a mass dampening layer to the surface of the door, do so at this time. See installation guide. 7) Reinstall hinges, locks and other hardware. STANDARD SLOT STAND ANDARD SLO SLO OPTIONAL SLOT SLO OPTIONAL SLOT 8) Use white or carpenters glue for all adhesion applications. PROFILE PROFILE PROFILE
  • 2. ACOUSTIC SCIENCES CORPORATION DOOR SEAL INSTALLATION 2 STOP SLOT CUTS STOP SLO SHORT SHORT OF HINGE STOP SLO STOP SLOT CUTS AREA SHORT OF LOCK SHORT LOCK PLATE PLATE AREA TYPICAL FELT FELT LAY LAYOUT HINGES LOCK Fig-4 ig-4 DOOR SHOWN FELT WITH FELT FOAM PAD PAD OVER HINGES DOOR SHOWN WITH FELT & FOAM SEAL FELT OVER HINGE PLATE PLATE 9) With the door still removed (not hung), apply a generous bead of glue into the bottom of the slot cuts and insert the felt strips. Press the felt all the way into the slots to make contact with the glue. Use 1” felt on the top & sides. Use 1-1/4” felt at the bottom. Wipe off any excess glue. Carefully pull out the felt about a 1/16” to 1/8”. Do not let the glue dry. 1” felt 10) Re-hang the door. at the top 11) Carefully close the door to check the fit of the felt to the jambs and threshold. Keep the door closed. Use a hat pin (or similar) to carefully pry the felt out to close the gap and make consistent and tight contact to the jambs & threshold. You may wish to use a flashlight. This will help you see Fig-5 ig-5 1” felt the gaps’ consistencies. at the sides 12) Let the glue completely cure (about 24 hours). 13) Carefully open the door to test the seal. The door may be difficult to open / close at first. The felt will conform in time for a smoother operation. 1-1/4” felt 14) Cut the self-stick foam pads to fit over each hinge plate on the door. Remove the backing and adhere. at the bottom 1 800 272 8823 www.asc-soundproof.com
  • 3. DOOR SEAL ACOUSTIC SCIENCES CORPORATION MASS DAMPENING INSTALLATION Required Tools / Parts: Kit Includes: This guide is intended to help soundproof new and existing doors by adding exterior • 1/2” moisture resistant sheetrock (green) • 25 WallDamp Squares mass dampening. dampening. • trim moulding (optional) • 24’ WallDamp Strips • white or carpenters glue (optional) • rubber mallet • razor knife (for sheetrock) • construction adhesive (such as Liquid Nails™ or Nail Pro™) To install the mass dampening to the door surface, simply follow these steps: 1) Remove the door for ease of application. 2) Layout and cut the moisture resistant sheetrock to fit the door. The sheetrock may be cut in any size / shape to allow for hardware and/or windows, etc. Make sure to leave the proper clearances to allow for the overlap of the door jamb. The more surface coverage on the door the better. See Fig-2. Note: If you know that the door handle to be used will extend another 1/2” - 5/8” you may reinstall it directly on the sheetrock instead of cutting the sheetrock to fit around it. 3) Place Walldamp strips around the perimeter of where the sheetrock will be adhered. Use a rubber mallet to set the release adhesive. See Fig-1. 4) Place Walldamp squares, spaced evenly (about 8” on-center or 50% coverage), within the Walldamp strip border. Use a rubber mallet to set the release adhesive. See Fig-1. 5) Place a small dab (dime sized) of construction adhesive centered on each WallDamp square. 6) Set the sheetrock in place on the door and use ample pressure to set the adhesive. See Fig-2. 7) Optional -- Cut and attach trim moulding around the sheetrock edges to finish. If you do not wish to use moulding to trim the sheetrock, coat the raw edges of the sheetrock with white or carpenters glue to seal the gypsum. 8) Paint / finish as desired. dab of construction adhesive WallDamp Strips 1/2” sheetrock Fig-1 ig-1 Fig-2 ig-2 WallDamp Squares 1 800 272 8823 www.asc-soundproof.com