Knauf Acoustic Roll Insulation - 100mm
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Product Information
Full details
The Knauf Acoustic Roll Insulation 100mm is an ideal choice for contractors and DIY enthusiasts seeking to enhance sound insulation in internal walls, floors, and plasterboard partitions. Engineered with premium glass mineral wool and ECOSE® Technology, this product provides effective noise reduction while ensuring a healthier indoor environment by minimizing dust and VOC emissions. While it delivers excellent acoustic performance, users should note that the roll requires precise cutting and careful handling to ensure a proper friction-fit between studs.
All features
| Model Part Number | 715843 |
|---|---|
| Brand | Knauf Insulation |
Extended Product Information
FAQs
Does this insulation provide thermal benefits as well as acoustic?
Yes, while primarily designed for sound absorption, the glass mineral wool structure also provides excellent thermal insulation properties.
Can I use this in an external wall?
This product is specifically optimized for internal walls, floors, and partitions. For external walls, consult your local building code for specific thermal resistance (R-value) requirements.
What tools do I need to cut the roll?
A sharp, long-bladed insulation knife is the best tool for clean, accurate cuts through the 100mm mineral wool.
Is it safe to handle without protective gear?
It is highly recommended to wear protective clothing, gloves, and a mask to prevent irritation caused by glass fibres.
What is the total coverage of one roll?
Each roll provides a total coverage area of 12.36m².
Will this product settle over time?
No, when installed correctly with a proper friction-fit, the product is designed to maintain its form and performance throughout the life of the building.
Troubleshooting
Insulation keeps falling out of stud gaps.
Ensure you have cut the material slightly wider (approx. 5-10mm) than the stud spacing to allow for a proper friction-fit.
Material feels itchy on skin during installation.
This is a natural characteristic of glass mineral wool. Wear long sleeves, gloves, and a mask; wash skin with cold water after installation to close pores.
Sound reduction is not as effective as expected.
Check for gaps or voids in the insulation coverage. Ensure no plumbing or electrical conduits have created paths for sound to travel through the partitions.
Pros and Cons
Pros
- Significantly reduces sound transmission between rooms
- Environmentally friendly composition with no added formaldehyde
- Easy to handle and install thanks to perforated width options
- Non-combustible A1 fire safety rating
- Excellent resistance to mould and bacteria
Cons
- Requires protective equipment to prevent skin irritation
- Must be cut accurately to maintain a friction-fit
- Bulky material can be difficult to transport in small vehicles
- Requires proper storage to prevent moisture damage before use
Setup, Compatibility & Care
Installation is straightforward: measure the distance between your studs or joists and use the pre-perforated lines on the roll to achieve the correct width. Aim for a slightly wider fit than the gap to ensure the insulation stays in place through friction.
Compatibility: This 100mm roll is compatible with most standard metal and timber stud systems. It is tested for use with all major plasterboard manufacturers to ensure compliance with building regulations.
Care: Store the insulation in a dry, covered area away from direct moisture. While the material is resistant to mould, prolonged exposure to wet conditions can compromise the thermal and acoustic structure of the glass mineral wool. Always wear long sleeves, gloves, and a dust mask during installation to avoid skin and respiratory irritation.
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