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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
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Description
Danosa Fonodan 900 Double Layer Acoustic Membrane - 10m x 0.92m (9.2m2)Fonodan 900 is a two layer product made of a self adhesive high density bitumen membrane thermally bonded to a cross linked polyethylene. Fonodan 900 acoustically works as shock absorber in mass spring mass system in floor, and removing resonant frequencies in plasterboard system. Scope Damp proof and separation barrier for floating floor finishes. Complements the IMPACTODAN system. Acoustic renovation of slabs. High acoustic performance sprung floor
Fonodan 900 is a two layer product made of a self-adhesive high density bitumen membrane thermally bonded to a cross-linked polyethylene. Fonodan 900 acoustically works as shock absorber in mass-spring-mass system in floor, and removing resonant frequencies in plasterboard system.
Scope
- Damp-proof and separation barrier for floating floor finishes.
- Complements the IMPACTODAN® system.
- Acoustic renovation of slabs.
- High acoustic performance sprung floor systems, such as hotels, residences, etc. and wherever less interior noise is required.
Advantages & Benefits
- Offers minimal irregularities to exisiting flooring.
- Vapour barrier.
- Good resistance to compression.
- Reduces the noise of the platform itself. Lower volume.
- Long life expectancy.
- High resistance to tearing.
- Inexpensive, easy and efficient installation.
- The aluminium sealing tape reduces the static charge.
- Improvement of airborne sound level between rigid elements ΔRA>4 dBA.
- Improved impact noise level under floorboards ΔLw>22 dB.
- Improved impact noise level under 5 cm mortar ΔLw>21 dB.
- Optimum chemical and thermal resistance.
- Feeling of comfort in the tread.
- Loudness of 70 sone.
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
Good Food
Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)
I have had South African Billtong before and I loved it, so I thought I would try SA Droewars and see if they were as satisfying. The answer is yes! They are delicious and nothing like your typical mass marketed jerky snacks sold in the US. Droewars are lightly seasoned beef jerky sticks and, although I have not seen the numbers, they seem to be only lightly salted (important for me). The meat is not chewy or grisly, so the beef cuts they use must be prime.
This is the first time I have tried the Ayoba-Yo brand and I am happy with my purchase. I am awaiting delivery of several varieties of Billtong from Ayoba-Yo presently and I will report back.
Not inexpensive, but the value is there for sure.
Jimmy
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Reviewed in the United States on January 17, 2019
★★★★★ 1
Almost not edible
Flavor Name: Traditional, Size: 2 Ounce (Pack of 3), Flavor Name: Traditional, Size: 2 Ounce (Pack of 3)
I am south african, an afrikaaner. I grew up eating droewors and biltong. I'm not sure what went wrong with this product. I have to believe it was off quality product and not what they are choosing to ship. The flavor was ok. Nothing spectacular. Thr big issue was texture of the droewors and the fact that the meat had shrunk away from the casing leaving the casing inedible. See my pic. This is not what droeworse looks like. Also, being from south africa I've never heard anyone say the word ayoba....
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Reviewed in the United States on July 28, 2023
★★★★★ 4
Good taste. A bit dry texture.
Flavor Name: Traditional, Size: 4 Ounce (Pack of 1)
Great taste. Unusual flavor but still good. It was a very dry texture. I do want to try another flavor.
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Reviewed in the United States on September 19, 2025
★★★★★ 3
Meh
Flavor Name: Traditional, Size: 2 Ounce (Pack of 3)
It’s just okay. I’ve been looking for something that is as close to possible as dry wors in South Africa. This is not it. Is it dry wors? Yes. But is it good dry wors? No; it is very average. I wouldn’t buy it again. I’ll have to keep on searching for that yummy, moist, soft, flavorful dry wors that seems so elusive on this side of the pond.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Droewors + WHY BARS
Flavor Name: Traditional, Size: 1 Ounce (Pack of 12)
I like them as they are a quick snack on the go. I go for these beef sticks and I eat lots of tasty WHY BARS to get high-quality nutrition for my busy lifestyle. Why not!
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Reviewed in the United States on August 25, 2025
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