--- title: "Acoustic Insulation Installation" description: "Acoustic insulation in Orange County. Sound batts, sealed penetrations, and assemblies designed so the whole system actually performs." url: "https://hanenburg-drywall.vercel.app/services/insulation-installation/acoustic-insulation" section: "Services" business: "Hanenburg Drywall" location: "Irvine, California" updated: "2026-09-25" --- # Acoustic Insulation Installation Acoustic insulation reduces sound transmission between spaces by absorbing energy inside wall and ceiling cavities. It is only one part of an acoustic assembly, and its benefit is easily undone by an unsealed gap at a penetration or perimeter. Acoustic insulation is where the gap between what people buy and what they get is widest. Sound batts in the cavity are genuinely effective, and they are also only one component. Sound travels through any air path it can find, and a wall with excellent insulation and an unsealed gap at the top plate will perform barely better than an uninsulated one. This is why we treat acoustic work as an assembly rather than a product. Insulation goes in, then every penetration gets sealed with acoustic sealant: electrical boxes, plumbing, the perimeter at floor and ceiling, and the gaps at the top plate. Where the target is real privacy rather than modest improvement, decoupling the board from the studs with resilient channel or isolation clips makes a much bigger difference than any insulation choice. ## Why this matters - Treated as a full assembly rather than a single product - Every penetration and perimeter sealed with acoustic sealant - Mineral wool specified where the acoustic target justifies it - Honest advice about what insulation alone will and will not achieve ## Our Process 1. **Assess the Assembly**: We look at cavity depth, framing spacing, the space above or behind, and what the assembly needs to achieve thermally or acoustically. 2. **Written Scope**: Estimate stating insulation type, R value or acoustic target, coverage area, and how it coordinates with the drywall schedule. 3. **Protect and Prepare**: Area protected and any existing material removed. Insulation work generates airborne fibre, so containment matters. 4. **Install to Full Contact**: Material installed to fill the cavity completely without compression or gaps, because both destroy performance. 5. **Inspect Before Close In**: We inspect coverage before board goes up, because once the wall is closed nobody will ever see it again. ## What's Included - Acoustic target discussion and assembly design - Sound batt installation to full contact - Electrical box sealing and offsetting - Perimeter and penetration acoustic sealing - Resilient channel or isolation clips where specified - Coordination with double layer board where used ## Frequently Asked Questions ### Will insulation alone soundproof my wall? It will help meaningfully but it will not soundproof it. Insulation absorbs sound energy inside the cavity. It does nothing about sound travelling through the structure itself, from board to stud to board. For genuine privacy you need insulation plus sealing plus some form of decoupling, and often a second layer of board. We will tell you what your actual target requires rather than selling you batts and letting you be disappointed. ### Where does sound leak in a wall? Electrical boxes installed back to back in the same cavity, gaps at the top and bottom plates, plumbing penetrations, and any unsealed perimeter. Those small air paths carry a surprising amount of sound, which is why sealing them matters as much as what is in the cavity. --- **Hanenburg Drywall** 12 Elksford Ave, Irvine, CA 92604 Phone: (949) 446-1300 Email: info@hanenburgdrywall.com Hours: Mon to Fri, 8:00am to 4:00pm Serving all of Orange County with no travel surcharge. Request a free written estimate: https://hanenburg-drywall.vercel.app/contact/request-estimate *Last updated: 2026-09-25*