Best in 7 days
![fischer FFB-VS 50 251-300 VentiStop Cavity Barrier
[545632]](https://cdn.shopify.com/s/files/1/0657/4496/1700/files/Fischer_FFB-VS_main_130c65d5-756e-4f7f-a31b-fa4020d948e8.jpg?v=1764647096)
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Shipping Estimate
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
fischer FFB-VS 50 251-300 VentiStop Cavity Barrier [545632]FFB VS 50 251 300 is a foil faced stone wool pre cut unit with a powerful intumescent graphite strip that is bonded to the exposed face. The intumescent graphite strip is pre wrapped with a durable polythene adhesive sheet to prevent water ingress. FFB VS is designed to provide a 25 and 50 mm ventilation gap that allows air flow and moisture to pass down the back of the cladding. In the event of a fire, the intumescent graphite strip expands
![fischer FFB-VS 50 251-300 VentiStop Cavity Barrier [545632]](https://cdn.shopify.com/s/files/1/0657/4496/1700/files/Fischer_FFB-VS_app5_1d74f0bc-1e2b-4e28-af77-1cc85092b950.jpg?v=1764648005)
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
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Best in 7 days
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4.1 ★★★★★
Based on 198 reviews
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Product Reviews
★★★★★ 5
No Tangles Here!!!
Size: 4 Pack (4 PCS), Color: Black
So easy to hook into my office phone! I was so tired of tangled up phone cords! The Uvital cord detanglers are amazing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
★★★★★ 5
Works perfectly
Size: 4 Pack (4 PCS), Color: Black
Still have a landline phone on my desk at work. The tangled up chord drove me crazy everyday. This is a little thing that makes me happy at my desk. and the add on detangler has stopped the chord from getting a single new kink in it.
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Reviewed in the United States on April 13, 2026
★★★★★ 4
Detangler works
Size: 2 Pack (2 PCS), Color: White
Detangler works well with corded phone set.
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Reviewed in the United States on April 12, 2026
★★★★★ 5
The best cord ever
Size: 4 Pack (4 PCS), Color: Black
I'm so thankful for this cord detangler. This product works amazingly well. I never have to worry about the awful mess from the other tangled cord. Great product.
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Reviewed in the United States on March 3, 2026
★★★★★ 5
Best purchase
Size: 2 Pack (2 PCS), Color: Black
My phone cord constantly started tangled at work. I purchased this and it literally is the best thing I’ve bought! It doesn’t tangle and the length is perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
