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QuietRock Drywall

I would like to reduce noise coming into my bedroom (wood stud single wall 16 inch OC, 1/2" drywall on both sides). Should I go over the existing drywall or remove the drywall? Insulate the wall?

You have two approaches here and each of the two options will provide a different level of sound reduction: Option # 1 (GOOD): install (1) layer Quietrock 510 over the existing drywall after first treating any electrical or switch outlets in the wall with QuietPutty. In a retrofit application like this, you would need to cut away some of the existing drywall around the outlets first so the putty can be wrapped around the back of the outlet boxes.

Can I use QuietRock on an existing concrete wall?

Yes. When using QuietRock over existing masonry or concrete construction, it is first necessary to “fur it out” by attaching wood furring, 2 1/2" steel studs, or hat-channel. This is not required when applying QuietRock over the existing gypsum wallboard on a wood or steel stud framed wall.

Is QuietRock available in 3/4" thickness? What is the cost?

QuietRock is produced in 1/2", 5/8" and 1-3/8" panel thicknesses. Currently, we do not manufacture a 3/4" QuietRock panel.

Please contact your local QuietRock dealer for pricing and availability.

Is there a 54" wide QuietRock panel available?

No, at this time we do not offer QuietRock panels in 54” widths.QuietRock is manufactured in various panel sizes dependent on the particular model of QuietRock. All panels are manufactured in 4’x8’ panel sizes and some panels can be ordered in longer lengths (4x9,4x10 and 4x12).

How much does 5/8" QuietRock cost and does it have the same fire rating as regular 5/8" gypsum panels?

For pricing on QuietRock, please contact your local QuietRock dealer. Please call us toll free at 1-800-797-8159 if you require technical assistance.

What is the installation cost versus normal gypsum wall board?

QuietRock ES, our best selling panel, is a true "score and snap" acoustic damped drywall panel and as such cuts and installs just like standard gypsum wall board. (use standard drywall fasteners and standard finishing products). Costs to install should be very similar to installing standard drywall. However, we strongly recommended the use of acoustical sealants when building any STC rated assembly. The use of sealants and accessory products can contribute to total cost but the cost is minimal and associated with the application of the accessory product.

Will QuietRock work when installed over plywood sheathing?

QuietRock works best when installed on an open stud assembly. However, if installed over 5/8" thick or less plywood sheathing, and depending on the wall construction, adding QuietRock over plywood can provide STC performance gains. Due to the variety of wall constructions (stud type, stud dimension and spacing, use of insulation, thickness of sheathing) and other wall details, additional performance cannot be guaranteed. Please contact us if you have questions about QuietRock performance on your specific application.

Would standard pictures and shelving attached to the quietrock degrade its performance?

Unlike "decoupled" approaches such as resilient channel (RC) or sound clip systems (RSIC clips), QuietRock performance is not affected by attaching shelves, TV's or other fastened items to the wall. This is because QuietRock technology uses a different approach to attenuating sound referred to as "constrained layer damping". For more information on sound transmission and constrained layer damping, see our white paper titled: Understanding Sound and Noise.

Do you have a list of contractors certified to install QuietRock?

Any experienced drywall contractor should be able to install QuietRock as there are only minor differences in how QuietRock installs as compared with standard gypsum panels. The document center includes installation guidelines and instructions which provide information on installing our QuietRock panels. We do not keep a list of contractors who are experienced in installing QuietRock nor do we certify contractors to install our products.

Can QuietRock be used over cement block walls to reduce the sound within a large room?

If you are concerned with the noise levels within the a large cement room, this could mean room itself has too many hard smooth surfaces which are causing the sound to bounce around and reflect off these hard surfaces (also known as “sound reverberation” or “echo”).

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