Will this work well if applied directly to the studs then 1 layer of drywall? Would this be more effective than 1/8" soundproofing tape?

The way to do that would be to decouple the drywall and the studs with resilient clips or channels. https://www.amazon.com/Green-Glue-Noiseproofing-Whisper-Clips/dp/B00HU5E1XA/ref=sr_1_10?camp=1789&creative=9325&keywords=%22resilient+sound+isolation+clip%22+1&linkCode=ur2&qid=1565794639&s=gateway&sr=8-10

can you use this on the back of an outdoor fence to muffle roadnoise?

This is not really meant for outdoor use.

Willl this work with an existing single wall construction house as an additional layer to reduce sound transmission?

I used it in conjuction with a second layer of drywall. It needs the second layer to spread the liquid over the surface of the first layer. Look it up on YouTube. There are a few instructional videos that explain the use rather well.

I'm adding a layer of drywall to a plaster wall. Do I need to paint primer on the plaster wall first?

No reason to in regards to the Green Glue with drywall. You do want to make sure the wall is smooth though, by sanding it down if necessary.

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Case of Green Glue Noiseproofing Compound - 12 Tubes

Case of Green Glue Noiseproofing Compound - 12 Tubes

Product ID: 10345484

Details

Brand
Green Glue
Item Form
Ounce
Material
Viscoelastic
Special Feature
Up to 90%
Specific Uses For Product
Construction

📦12 tubes per case

🔇Up to 90% noise reduction

🧪Lab-tested STC 56 rating

€ 886.73

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔇 Silence is the new luxury—lock in your peace today!

MULTI USE FOR MODERN SPACES - Ideal for offices, home theaters, studios, and apartments
VERSATILE EASY APPLICATION - Applies with standard caulk gun on walls, floors, ceilings
COMPLETE SOUNDPROOFING SOLUTION - 12 tubes per case for large projects or multiple rooms
INDUSTRY LEADING NOISE REDUCTION - Reduces up to 90% of noise, especially low-frequency sounds
SCIENTIFICALLY PROVEN PERFORMANCE - Independent lab tests confirm STC rating of 56

Green Glue Noiseproofing Compound is a viscoelastic polymer sold in cases of 12 tubes (29oz each) designed to dramatically reduce sound transfer. Tested independently with an STC rating of 56, it excels at blocking both airborne and impact noise, especially low frequencies. Easy to apply with a standard caulk gun, it’s perfect for walls, floors, and ceilings in professional and residential spaces seeking affordable, effective soundproofing.

Specifications

ASIN	B000SKWD8Y
Best Sellers Rank	#70,793 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #477 in Art Glues
Brand Name	Green Glue Company
Color	Green
Compatible Material	Wood
Container Type	Tube
Customer Reviews	4.3 4.3 out of 5 stars (282)
Full Cure Time	30 days
Included Components	12 tubes
Item Form	Ounce
Item Package Quantity	1
Item Type Name	Noiseproofing Compound
Item Weight	26 pounds
Manufacturer	Green Glue Company
Material Type	Viscoelastic Polymer
Model	10730
Number of Pieces	1
Other Special Features of the Product	Up to 90% noise reduction, particularly low-frequency noises
Part Number	1
Specific Uses For Product	Construction, Renovation, Soundproofing
UPC	767674793965
Unit Count	336 Ounce
Viscosity Level	Low to Medium
Volume	828 ml
Water Resistance Level	Water Resistant

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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