# Silicone Frame Caulking Gun Topex 21B245 — manual frame applicator for sealant cartridges

**URL:** https://aio.lv/en/product--topex-21b245--11355469
**Data updated:** 2026-03-11 12:04 (EET)
**Category:** Power Tools Accessories
**Manufacturer:** Topex
**Manufacturer code:** 21B245
**EAN:** 5902062120342
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 4.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--topex-21b245--11355469

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Manual silicone frame caulking gun Topex 21B245 designed to apply sealants and silicones from cartridges. Frame-style applicator provides controlled extrusion for sealing joints, window and door installation, plumbing repairs and general sealing tasks. Suitable for standard cartridge sizes; simple mechanical design for reliable, repeatable bead control during DIY and professional maintenance work.

## Long description

The Silicone Frame Caulking Gun Topex 21B245 is a manual frame applicator designed for dispensing sealants and silicones from standard cartridges. Its open-frame construction and mechanical push-rod enable controlled extrusion of material for sealing joints, installing windows and doors, plumbing repairs and general sealing tasks. The tool is intended for both DIY enthusiasts and professional maintenance work where a reliable, repeatable bead is required.
Advantages
The frame-style design keeps cartridges securely in place while allowing quick loading and unloading. A simple mechanical drive provides consistent pressure for steady bead size and reduced material waste. The lightweight build and ergonomic handle offer easier handling during prolonged use, and the robust metal components ensure durability in regular workshop or on-site conditions.
Suitable for
 Applying silicone and acrylic sealants from standard cartridges
 Sealing window and door frames
 Plumbing repairs and sealing pipe joints
 General gap filling and construction sealing tasks
 DIY home maintenance and light professional use
Key specifications
 Manual frame-type caulking gun for cartridge sealants
 Compatible with standard cartridge diameters (typical 300 ml cartridges)
 Mechanical push-rod drive for controlled extrusion
 Open-frame construction for easy cartridge replacement
 Ergonomic handle for improved grip during use
 Durable metal frame and components for regular use
How to use
Prepare the cartridge by cutting the nozzle to the desired bead size and puncturing the inner seal if present. Insert the cartridge into the open frame with the nozzle pointing forward, engage the push rod and squeeze the trigger or press the handle to apply sealant along the joint. Maintain a steady, even movement to create a uniform bead; adjust nozzle opening or cutting angle to vary bead width. After use, release pressure using the tool’s pressure release mechanism if available and wipe excess material from the nozzle.
Usage recommendations
For best results, use cartridges suitable for the intended substrate and environment (e.g., sanitary silicone for bathrooms, exterior-grade silicone for outdoor joints). Work on clean, dry surfaces and apply masking tape along joint edges for neater lines. Store the caulking gun in a dry place and clean cured sealant from the nozzle and frame promptly to maintain long-term performance.

## FAQ

### How much does the Caulking Gun Topex 21B245 cost, and is it available for purchase?

The price is 5.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 100 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 13.07.2026 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 Topex 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 Topex 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/11355469/65821936_large.webp