The original 1892 building was a furniture manufacturing plant located in downtown Grand Rapids, MI. In 2000, the building received a complete urban makeover and converted into condominiums.
The original wall between units was inadequate for sound isolation. Casual voices were easily audible as well as television and light music. In 2002 an attempt was made to correct the poor sound isolation performance of the original wall, to no avail. In 2007 the building received extensive remodeling, with plans to adequately soundproof the common walls between units. The original planned solution – building new walls over the originals – didn’t work.
Finally, the developers worked with the Soundproofing Company’s Ted White, adding a layer of Green Glue and an additional sheet of drywall. Though simple, the solution deadened ambient sound beyond all expectations, eliminating noise issues for Broadway Condominiums residents.
230 Condominium Units
940 Monroe Ave.
Grand Rapids, MI 49503
2000 – Original Condo Walls
- 2×4 stud wall
- One layer of 5/8” drywall on each side of wall.
- Insulated wall cavities
RESULT: Poor sound isolation
2002 – First Acoustical Upgrade
- A new 2×4 stud wall was built in front of the existing condo wall.
- No insulation in new wall.
- 1⁄2” drywall on finished side of new wall.
RESULT: The noise was still “a serious problem.”
2007 – Final Upgrade With Green Glue
- Add one sheet of 5/8” drywall with 2 tubes of Green Glue.
- Sealed perimeter of walls and caulk around outlets.
RESULT: “Amazing…. we have not had a single complaint since we treated the walls.”