# Rubber insulation tape K‑flex K-FLEX ST 3 mm x 50 mm x 15 m (850NS020050)

**URL:** https://aio.lv/en/product--k-flex-850ns020050--11686091
**Data updated:** 2026-02-03 09:27 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** K-flex
**Manufacturer code:** 850NS020050
**EAN:** 8027409101475
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 18.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--k-flex-850ns020050--11686091

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

K‑flex K-FLEX ST rubber insulation tape, 3 mm thickness, 50 mm width and 15 m length. Designed for thermal and acoustic insulation of pipes, ducts and fittings. Provides flexible coverage for sealing joints, wrapping irregular shapes and reducing heat loss or condensation. Suitable for HVAC, plumbing and refrigeration applications where a thin, resilient insulation layer is needed.

## Long description

K-flex rubber tape K-FLEX® ST, 3 mm thick, 50 mm wide and 15 m long is a flexible thermal insulation tape designed for insulating pipes, ducts and vessels. The tape provides thermal protection, resistance to water vapour and low water absorption, making it suitable for refrigeration, air-conditioning and plumbing systems that require condensation control and improved energy efficiency.
Advantages
The K-FLEX ST tape combines thin cross‑section insulation with good vapour resistance and low water uptake, helping to reduce heat loss and prevent condensation. Its flexibility and dimensional specifications allow easy application on curved and straight runs while maintaining service temperature range from -40 °C to +85 °C.
Suitable for
Insulation of refrigeration and air‑conditioning pipes
Thermal and condensation control on plumbing and drain lines
Sealing and insulating small ducts, fittings and vessel connections
Key specifications
Material: rubber (closed-cell elastomeric insulation)
Length: 15 m
Width: 50 mm
Thickness: 3 mm
Operating temperature range: -40 °C to +85 °C
Water vapour resistance (EN 12086): μ ≥ 7000
Low water absorption tested according to EN 13472
How to use
Measure and cut the required tape length, then wrap it around the pipe, duct or fitting ensuring full contact and overlap as needed to avoid gaps. Smooth the tape by hand to ensure adhesion and conformity to curved surfaces. For best thermal performance, ensure joints are tight and, where necessary, seal edges with compatible adhesive or tape recommended for elastomeric insulation.
Usage recommendations
Store rolls flat in a dry, shaded area and avoid prolonged exposure to direct sunlight. For installations exposed to mechanical damage or outdoor use, provide additional protection or cladding. Follow local codes and manufacturer instructions for jointing and fire‑safety requirements.

## FAQ

### How much does the K‑flex K-FLEX ST rubber insulation tape 3x50x15 m cost, and is it available for purchase?

The price is 22.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 99 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 08.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All K-flex products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized K-flex service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11686091/67034051_large.webp