# Concrete Foundation Block ROSA B-50 (model 311150) — concrete base element for foundations

**URL:** https://aio.lv/en/product--rosa-311150--12115115
**Data updated:** 2026-03-20 10:07 (EET)
**Category:** Home & DIY Accessories
**Manufacturer:** ROSA
**Manufacturer code:** 311150
**EAN:** 5903800029606
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 70.49 €
**Prices and availability valid until:** 2026-08-07 23:59
**Price without VAT (21%):** 58.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rosa-311150--12115115

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.07.2026 | free |
| Pickup points | 31.07.2026 | 1.89 EUR |
| Courier delivery to door | 31.07.2026 | 4.99 EUR |

## Summary description

ROSA Fundament betonowy B-50 (311150) is a precast concrete foundation block designed as a base element for building foundations and structural supports. Manufactured by ROSA, this concrete element suits use in residential and light commercial foundation works, providing stable load-bearing support and compatibility with standard masonry and foundation assembly methods.

## Long description

ROSA B-50 concrete foundation block is a precast base element intended for use in building foundations and structural supports. Manufactured from cured concrete with dimensions and mass suitable for load-bearing applications in residential and light commercial construction, this block is designed to integrate with standard masonry and foundation assembly techniques. The product provides a compact, standardized unit for creating continuous or isolated footing systems where stability and compatibility with other concrete and masonry elements are required.
Advantages
The precast concrete design ensures consistent geometry and compressive strength compared with cast-in-place alternatives. ROSA B-50 blocks offer predictable bearing performance, ease of handling on site, and reduced formwork and curing time. Their standardised shape simplifies alignment and stacking during foundation assembly and supports reliable contact with reinforcing elements and adjacent masonry. The product is suitable for common soil conditions when used according to engineering guidance.
Suitable for
Construction of strip and isolated foundations for residential buildings
Base support for load-bearing walls and columns in light commercial structures
Foundations requiring modular, repeatable concrete units for faster installation
Projects where compatibility with standard masonry and reinforcement practices is needed
Key specifications
Material: precast cured concrete
Function: load-bearing foundation/base element
Application environment: residential and light commercial foundation works
Compatibility: designed for integration with standard masonry and reinforcement methods
How to use
Place ROSA B-50 blocks on prepared, level subsoil or compacted aggregate base according to the project’s foundation plan and local building regulations. Align blocks to ensure continuous bearing and consistent contact with adjacent elements; use mortar or approved bedding material where specified. Incorporate reinforcement and connection details as required by structural drawings, and backfill and compact around installed blocks to provide uniform support. Ensure drainage and moisture protection measures are in place to protect the foundation system.
Usage recommendations
Before installation, confirm block dimensions and bearing capacity with project documentation and follow local building codes. Use appropriate lifting and handling equipment to avoid damage. If ground conditions are uncertain or loads exceed typical residential values, consult a structural engineer to verify suitability and design reinforcement and foundation layout.

## FAQ

### How much does the ROSA B-50 concrete foundation block 311150 cost, and is it available for purchase?

The price is 70.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 31 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 28.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can ROSA B-50 concrete foundation block 311150 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 ROSA 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 ROSA 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/12115115/67650365_large.webp