---
title: "Block rows"
slug: "block-rows"
updated: 2025-09-19T11:09:08Z
published: 2025-09-19T11:09:08Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://documentation.deltatre.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Block rows

This article provides examples of Block rows, detailing the devices they support.

Each accordion represents a row type with examples of how the row displays, alongside row information.

💡 Find out more about [page templates and supported rows](/v1/docs/pages-and-supported-rows).

## Block rows – (B)

### **B1 – Standard (4:3) row**

he B1 Standard row displays standard 4:3 assets and supports the display of [badges](/v1/docs/badges) on TV targets, including tvOS, Android TV, Web TV, and Xbox One.

![B1 row.png](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360023096459.png)

| Platform support | iOS/iPadOS ✅ | tvOS ✅ | Android ✅ | Android TV ✅ | Responsive web ✅ | Web TV ✅ | Xbox One ✅ | Roku ✅ |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Required image type | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block |

Select an option below to see how this looks in the Apps:

Responsive WebTV AppsiPad/TabletMobile

![B1_Standard__4.3__Responsive_Web.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012131179.jpg)

![B1_Standard__4.3__TV.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012131199.jpg)

![B1_Standard__4.3__Tablet.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012131219.jpg)

![B1_Standard__4.3__Mobile.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111240.jpg)

### **B2 – Large (4:3) row**

The B2 Large row displays large 4:3 assets and supports the display of [badges](/v1/docs/badges) on TV targets, including tvOS, Android TV, Web TV, and Xbox One.

![B2 row.png](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360023047460.png)

| Platform support | iOS/iPadOS ✅ | tvOS ✅ | Android ✅ | Android TV ✅ | Responsive web ✅ | Web TV ✅ | Xbox One ✅ | Roku ✅ |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Required image type | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block |

Select an option below to see how this looks in the Apps:

Responsive WebTV AppsiPad/TabletMobile

![B2_Large__4.3__Responsive_Web.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111540.jpg)

![B2_Large__4.3__TV.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012131479.jpg)

![B2_Large__4.3__Tablet.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012131519.jpg)

![B2_Large__4.3__Mobile.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111560.jpg)

### **B3 – Double row**

The B3 Double row displays a double row of 4:3 assets and supports the display of [badges](/v1/docs/badges) on TV targets, including tvOS, Android TV, Web TV, Roku, and Xbox One.

The B3 Double row on Roku displays as a single row.

![B3 row.png](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360023047480.png)

| Platform support | iOS/iPadOS ✅ | tvOS ✅ | Android ✅ | Android TV ✅ | Responsive web ✅ | Web TV ✅ | Xbox One ✅ | Roku ✅ |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Required image type | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block | 4:3 Block (Displays as a single row of assets) |

Select an option below to see how this looks in the Apps:

Responsive WebTV AppsiPad/TabletMobile

![](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111660.jpg)

![B3_Double__4.3__TV.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111680.jpg)

![B3_Double__4.3__Tablet.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111780.jpg)

![B3_Double__4.3__Mobile.jpg](https://cdn.document360.io/2e698e3c-4773-44a4-9476-1d05bac85eee/Images/Documentation/360012111800.jpg)