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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
"Isover Spacesaver Loft Roll 100mm / 4"""Isover Spacesaver Loft Roll, a top tier glass mineral wool insulation designed for superior thermal performance. This insulation roll comes pre perforated into convenient 3 x 386cm and 2 x 580cm widths, perfectly fitting between common joist spacings in loft applications. It's also an excellent choice for suspended timber ground floors and flat roofs. Key Features: Thermal Conductivity 0. 044 W mK: Isover Spacesaver Loft Roll boasts a low thermal
Isover Spacesaver Loft Roll, a top-tier glass mineral wool insulation designed for superior thermal performance. This insulation roll comes pre-perforated into convenient 3 x 386cm and 2 x 580cm widths, perfectly fitting between common joist spacings in loft applications. It's also an excellent choice for suspended timber ground floors and flat roofs.
Key Features:
- Thermal Conductivity 0.044 W/mK: Isover Spacesaver Loft Roll boasts a low thermal conductivity of 0.044 W/mK, ensuring high-quality thermal insulation to enhance energy efficiency.
- Excellent Acoustic Performance: Experience outstanding acoustic performance, making this insulation roll ideal for creating a quieter and more comfortable living environment.
- Excellent Fire Safety - A1 Fire Rated: Prioritize safety with A1 fire-rated insulation, providing reliable protection against fire hazards in residential and commercial spaces.
- Energy Efficiency Boost: Enhance energy performance, reduce heating and cooling costs, and create a more sustainable living or working space.
- Eco-Friendly Construction: Crafted from recycled glass, this insulation minimizes manufacturing waste and contributes to a more environmentally conscious building solution.
- Vapour Permeable Breathable Insulation: Isover Spacesaver Loft Roll ensures optimal breathability, preventing moisture buildup and promoting a healthier living environment.
- Easy Installation: Enjoy hassle-free installation with user-friendly features, making the insulation process efficient and straightforward.
- Generous Pack Size: Each pack contains 11.78 x 1.2m (3x386mm or 2x580mm), providing a total coverage area of 14.13m2 for comprehensive insulation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Great product
Size: 36 sqft
Easy to apply, made a big difference in sound deadening on side by side. Would definitely purchase again.
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Reviewed in the United States on June 1, 2026
★★★★★ 5
AS GOOD AS ANY OTHER, WORKS GREAT
Size: 36 sqft, Size: 36 sqft
Used this in my 17 RAM 1500. This stuff works great, just as good as S...ss brand that is also sold on here. Same thickness and same tackiness. And this stuff sticks like crazy, once its laid down and rolled onto the surface, it is hard to remove, so I am pretty sure it will stay where I installed it. It is great value, one box was enough to do the whole roof of the truck with a little left over for small spots. I think it took a total of 2.5 boxes to do my whole crew cab, roof, floor and back wall and most of the firewall, and I also added a layer of their .25" foam. I do notice a difference in less outside noise, from wind and road. I will be doing my wife car soon, and this is the product I will be using again, I recommend this.
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Reviewed in the United States on January 14, 2026
★★★★★ 5
Dyna... who?
Size: 36 sqft
This stuff works great. Fraction of the cost to Dyna.. and just as good. Very sticky. Used in doors, floors and ceiling. Great product and performs flawlessly. I would highly recommend this.
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Reviewed in the United States on March 13, 2026
★★★★★ 4
Awesome, inexpensive alternative to name-brands!
Size: 36 sqft
Awesome. Stuck well with alcohol prep and time to let liquid flash-off. Very consistent, piece to piece. Backing peeled easily when desired. Compared to Amazon Basics, the butyl seemed a little thicker (infinitesimally) and stickier, foil was less thick than Amazon Basics. Very good value. Started with my nice car, but after completing project, sound dampened all cars in the immediate family it made such a noticeable difference in sound level and quality of music from soeakers. Recommended!
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Reviewed in the United States on October 21, 2025
★★★★★ 5
Easy to use
Size: 36 sqft, Size: 36 sqft
Very good and easy to use, made my 88 Chevy feel better
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Reviewed in the United States on June 2, 2026
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