Rothoblaas Flexi Band Universal Airtight & Fire Sealing Tape
Stock Available
If you are planning to buy bulk quantities, contact us for discounted prices.
0330 1281212
Key Features
- High initial tack and superior adhesion
- Performs on dusty, damp, and porous surfaces
- Suitable for airtightness and fire sealing applications
- Tested fire resistance up to EI 90 in CLT joints
- Excellent low-temperature application performance
- UV resistant for up to 6 months exposure
- Passive House certified airtight component
- Solvent-free acrylic adhesive
- Very low VOC emissions
- Reinforced polyester grid for enhanced durability
AQs
What is FLEXI BAND used for?
FLEXI BAND is used for airtight sealing, membrane overlaps, CLT joint sealing, and fire stopping applications in timber and façade construction systems.
Can FLEXI BAND be applied in cold temperatures?
Yes. FLEXI BAND is designed for reliable adhesion even in extremely low temperatures, with application temperatures down to -18°C under suitable conditions.
Is FLEXI BAND suitable for damp or dusty surfaces?
Yes. The adhesive compound is specifically formulated to maintain strong adhesion on dusty, porous, and slightly damp substrates.
Does FLEXI BAND provide fire resistance?
Yes. FLEXI BAND has been tested in CLT joint sealing systems and achieved fire resistance classifications up to EI 90 in tested configurations.
Rothoblaas Flexi Band Universal Airtight & Fire Sealing Tape - 60mm x 25m
FLEXI BAND is a premium universal adhesive tape from Rothoblaas engineered for airtightness, fire stopping, and sealing applications in timber construction and building envelope systems. Designed with a reinforced PE film and solvent-free acrylic adhesive, FLEXI BAND delivers exceptional adhesion strength on a wide range of surfaces, including dusty, porous, and damp substrates.
Suitable for CLT joint sealing, membrane overlaps, and airtight building applications, FLEXI BAND maintains performance even in extremely low temperatures. The tape has been tested for fire resistance up to EI 90 in specific CLT configurations and is certified as a Passive House airtight component.
Its long-term UV durability, low VOC emissions, and high resistance to ageing make FLEXI BAND an ideal solution for professional contractors, façade installers, and timber frame specialists looking for reliable airtight and fire-sealing performance.
Technical Specifications
| Property | Value |
|---|---|
| Thickness | 0.32 mm |
| Tensile Strength | ≥ 50 N/25 mm |
| Water Vapour Transmission (Sd) | Approx. 45 m |
| UV Resistance | 6 months |
| Application Temperature | -18°C to +40°C |
| Temperature Resistance | -40°C to +80°C |
| Fire Performance | EI 90 (tested configurations) |
| Adhesive Type | Solvent-free acrylic dispersion |
| Carrier | PE film with polyester reinforcement |
Delivery
All deliveries are subject to stock and availability.
UK Mainland
**Express Delivery Cut Off – subject to cleared payments and passing of payment security checks by 12pm.
All UK Mainland orders qualify for FREE when you spend £75 ex vat or more*. *Please note certain items do not qualify for free delivery.
Consignments will be delivered using DPD, Evri, and Shipley, or direct from the supplier if stock is not readily available within our warehouse.
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Delivery Options – Consumers |
Price (ex vat) |
Timing |
|
FREE Standard Delivery when you spend £75 ex vat or more |
£0.00 |
Monday - Friday, excluding public holidays. |
|
Standard Delivery (2-5 Working Days) |
£3.99 |
Monday - Friday, excluding public holidays. |
|
Express Delivery (1-3 Working Days) |
£19.99 |
Monday - Friday, excluding public holidays. |
|
Saturday Delivery |
£29.99 |
Saturday Delivery |
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Same Day Delivery |
From £50 |
Monday - Friday, excluding public holidays. |
Certain items do not qualify for free delivery - this will be automatically applied at the checkout
Large heavy items may be subject to pallet charges - you will be notified by our customer care team.
Outside UK Mainland (Including Ireland)
*Please note the following postcodes are classed as Non-Mainland UK or Remote / Rural delivery: AB, IV, KW, PA, PH, HS, KA, ZE, PO30-PO41, IM, JE, GY, BT, TR21-TR25.
The following locations incur a carriage charge starting at £20.83 EX VAT
Europe
It is advised you arrange your own courier collection from our warehouse. If you require assistance Dortech Direct can schedule a delivery for you. Prices are dependent on box quantity and order weight. Please call our sales team for a quotation on 0330 1281212.
United States
Pricing Information
All product prices are available on quotation only. To receive a customized quote, please contact us directly with your product requirements. We will respond promptly with pricing, availability, and shipping details tailored to your request.
Shipping Information
We are pleased to offer shipping to most locations within the United States, excluding Hawaii and Alaska at this time.
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Eligible Shipping Areas: Continental United States only (Excludes Hawaii and Alaska)
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Delivery Timeframe: Estimated delivery is 10–14 working days from the date of dispatch
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Shipping Confirmation: A confirmation email with tracking details will be sent once your order is shipped
Please note: Delivery times are estimates and may be affected by external factors such as customs processing or carrier delays.
Other Information
Please Note
- All available delivery options will be displayed at checkout/basket pages
- Working days do not include Weekends or Bank holidays
- For all enquiries ring 0330 1281212 / [email protected]
BACS & Purchase Orders
- The delivery times & dates are only valid from receipt of funds or valid PO number
Damages
By ordering with Dortech Direct you agree to inspect goods upon delivery. Damaged goods should be rejected. If you notice damage after the goods are delivered, you must report this to us within 48 hours of delivery. Dortech Direct does not accept damage liability for issues reported over 2 working days from the point of delivery.
You can report damage by sending your order details and images of any issues to [email protected]
Returns
If you wish to initiate a product return within 14 days, we gladly offer a refund as long as the item is returned in its original condition, including all packaging, tags, labels, and accessories. Kindly complete the provided return form and include it in the package you are sending back.
Ensure that you diligently fill out all the necessary fields on the Returns Form.
Delivery & Returns for Trade
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Delivery Options - Trade |
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Timing |
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FREE Delivery on any Trade order |
£0.00 |
Monday - Friday, excluding public holidays. |
We will deliver into branch or direct to any customer office/site address.
Returns
If you wish to initiate a product return within 14 days, we gladly offer a refund as long as the item is returned in its original condition, including all packaging, tags, labels, and accessories. Kindly complete the provided return form and include it in the package you are sending back.
Please be aware that orders exceeding £100 excluding VAT are subject to a non-negotiable 40% restocking fee. This charge represents the administrative time and overheads to reprocess the stock.
Ensure that you diligently fill out all the necessary fields on the Returns Form.