Acoustic Drywall in Regina, SK | Commercial Sound Control Systems
Regina Drywall has over 20 years of experience constructing commercial acoustic drywall systems for businesses and facilities in Regina, Saskatchewan. Sound-control partitions can combine multiple gypsum layers, acoustic insulation, resilient channel, isolation clips and acoustical sealant to reduce airborne sound transmission between adjoining spaces. Assembly performance is commonly expressed using Sound Transmission Class (STC), allowing demising walls and other interior separations to be selected according to the degree of speech privacy required rather than simply increasing drywall thickness.
Acoustic performance depends on the entire transmission path, not only the visible gypsum surface. Electrical boxes, perimeter gaps, doors and open ceiling plenums can allow sound to bypass an otherwise high-performing partition, while rigid connections can reduce the benefit of resilient components intended to decouple wall surfaces. Coordinating framing, cavity insulation, gypsum layers and perimeter sealing as one assembly helps preserve the tested or designed STC performance instead of relying on a single acoustic product.
Commercial acoustic drywall services are available throughout Regina and surrounding communities including Pense, Belle Plaine, Rouleau, Milestone, Yellow Grass, Ogema, Avonlea, Mossbank, Central Butte, Craik, Davidson and Chamberlain. Commercial properties across southern Saskatchewan can require substantially different levels of speech separation depending on adjoining room use, background noise and privacy expectations, making assembly selection by acoustic objective more effective than applying the same partition construction throughout an entire building.
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We’ll contact you within 24 hours to discuss your drywall project, assess your repair, renovation, or installation requirements, recommend the most suitable drywall solution, and provide a clear, no-obligation estimate for your home or commercial property.
Planning Commercial Acoustic Separation
Setting STC Targets By Room Use
Commercial partitions should be selected according to the privacy required between adjoining spaces rather than assigning one STC target throughout the building. An STC 35 partition provides substantially less speech isolation than an STC 50 assembly, for example. Establishing the acoustic objective before framing allows wall construction to be matched to conversations and activities occurring on each side.
Extending Acoustic Walls Above Ceilings
A partition that stops at a suspended ceiling can allow sound to travel through the shared plenum and descend into the neighbouring room. Where stronger separation is required, acoustic walls may continue above the ceiling grid toward the structure overhead. This treats the concealed portion of the partition as part of the sound-control boundary rather than relying on lightweight ceiling tiles to contain speech.
Separating Adjoining Demised Spaces
Demising walls between independently occupied commercial spaces can require greater airborne-sound control than ordinary internal partitions. Construction is planned around the complete boundary between the adjoining occupancies, including wall ends and perimeter interfaces. This reduces direct sound transfer where neighbouring businesses operate different schedules or generate substantially different indoor noise levels.
Identifying Flanking Paths Before Construction
Sound can bypass the primary partition through intersecting walls, ceiling cavities, floor assemblies and other connected construction. These indirect routes are known as flanking paths and can limit real-world performance even when the wall itself has a high laboratory STC rating. Reviewing surrounding construction before selecting the assembly helps determine whether improving the partition alone will meaningfully increase room-to-room isolation.
Building High-STC Wall Assemblies
1. Adding Mass With Multiple Gypsum Layers
Additional gypsum layers increase partition mass, which can improve resistance to airborne sound transmission when incorporated into a tested acoustic assembly. High-STC walls may use two layers of 15.9 mm (5/8 in.) gypsum on one or both sides of the framing. Joint locations between successive layers are typically offset so the wall does not contain continuous seams through multiple layers.
2. Filling Stud Cavities With Acoustic Insulation
Mineral wool or fibreglass batt insulation installed within the stud cavity absorbs sound energy that would otherwise resonate inside the hollow partition. Batts should fill the intended cavity without large gaps or excessive compression. Insulation contributes to the complete assembly but does not provide the same sound isolation by itself as the combined mass, cavity depth and decoupling of a properly designed wall.
3. Decoupling Gypsum With Resilient Channel
Resilient channel creates a flexible connection between the gypsum and supporting framing, reducing direct vibration transfer through the partition. Channel orientation, spacing and screw placement are critical because fasteners that unintentionally connect the gypsum directly to the studs can short-circuit the resilient layer. Installation therefore needs to follow the tested assembly rather than treating the channel as ordinary furring.
4. Isolating Walls With Acoustic Clips
Isolation clips paired with hat channel provide another method of mechanically decoupling gypsum from the underlying framing. The resilient element within the clip reduces vibration transfer while the channel supports the drywall face. Clip spacing, channel orientation and perimeter clearances are system-specific, making manufacturer installation requirements important when targeting the assembly's published acoustic performance.
Managing Doors, Plenums & Flanking Paths
- Controlling Sound Through Door Openings
A high-STC partition can be undermined by a lightweight door with gaps around its perimeter. Where speech privacy is important, solid-core or acoustically rated doors can be paired with perimeter seals and automatic door bottoms designed to restrict airborne sound leakage. The complete opening, including the frame and seals, must support the acoustic objective rather than relying on the wall rating alone.
- Sealing Partition Perimeters
Small gaps where gypsum meets floors, ceilings and adjoining construction can create direct sound paths through an otherwise continuous wall. Non-hardening acoustical sealant is applied at specified perimeter joints so the assembly remains sealed while accommodating minor movement. Sealant locations and bead dimensions follow the tested wall design or acoustic specification.
- Treating Shared Ceiling Plenums
Sound can travel over partitions through the open space above suspended ceilings and re-enter neighbouring rooms through ceiling tiles or service openings. Where extending the primary wall is impractical, specified plenum barriers or other acoustic treatments may be used to interrupt this path. Their effectiveness depends on maintaining continuity around ducts, conduits and other overhead services.
- Offsetting Electrical Boxes
Back-to-back receptacle or data boxes can reduce the effective separation between adjoining rooms by creating closely aligned openings through both gypsum faces. Boxes can be offset into different stud cavities and detailed according to the acoustic assembly to reduce this direct transmission path. Putty pads or other specified treatments may also be used where the tested system requires additional sealing.
Acoustic Commercial Drywall FAQs
What Does An STC Rating Actually Measure?
Sound Transmission Class (STC) is a single-number rating derived from laboratory testing of how effectively an assembly reduces airborne sound transmission across a range of frequencies. A higher STC generally indicates greater isolation, but the rating does not describe every frequency equally and should not be interpreted as a percentage of sound blocked.
What Is The Difference Between STC & ASTC?
STC describes laboratory-tested performance under controlled conditions, while Apparent Sound Transmission Class (ASTC) accounts for sound reaching the receiving space through both the separating assembly and surrounding flanking paths. ASTC can therefore be lower than the laboratory STC of the wall itself, which is why real-building performance depends on adjoining floors, ceilings and wall intersections as well as the partition.
Does Doubling The Drywall Double The STC Rating?
No. Adding gypsum increases mass and can improve airborne-sound isolation, but STC does not increase proportionally with the number of board layers. Framing arrangement, cavity depth, insulation, mechanical decoupling and sealing all influence the result, so a tested assembly provides a more reliable performance target than estimating STC from drywall thickness alone.
What Is A Double-Stud Acoustic Wall?
A double-stud wall uses two separate rows of framing with little or no rigid connection between the gypsum surfaces on opposite sides. This creates greater mechanical separation and a deeper cavity than a conventional single-stud partition, substantially reducing direct vibration transfer when incorporated into a properly designed assembly. Such systems are useful where particularly high airborne-sound isolation is required.
What Is A Staggered-Stud Acoustic Wall?
A staggered-stud partition positions alternating studs on opposite edges of a wider common track so each gypsum face attaches primarily to a different set of studs. This reduces direct mechanical coupling between the two wall surfaces while requiring less overall thickness than many double-stud systems. Its actual STC depends on the complete tested configuration, including gypsum layers and cavity insulation.
Need better speech privacy or room-to-room sound separation in a Regina commercial space? Request an acoustic drywall quote using the contact form below.
Speak With a Regina Drywall Specialist
✓ 20+ Years of Drywall Experience
✓ Installation, Repair, Ceiling Repair & Finishing
✓ Settlement Crack & Basement Drywall Specialists
✓ Residential, Commercial & Rental Property Drywall
✓ Serving Regina Homes, Basements & Businesses
We’ll contact you within 24 hours to discuss your drywall project, assess your repair, renovation, or installation requirements, recommend the most suitable drywall solution, and provide a clear, no-obligation estimate for your home or commercial property.