Vertical reinforcing is the most common form of reinforcing for an Interbloc wall. This article explains how standard and 'top and bottom' vertical reinforcing works.
Walls are vertically reinforced by inserting threaded steel reinforcing bars through 60mm dia reinforcing ducts cast into the blocks at 600mm centres. The reinforcing bar is then tied into the underlying foundation to form a cantilever wall, or used to tie the wall together.
Fixing kits are a collection of components supplied by Envirocon along with the blocks to complete the installation.
Types of Vertical Reinforcing
Envirocon uses the term ‘fixing kits’ to describe the set of components required to vertically reinforce walls. There are two types of fixing kits;
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‘Top and Bottom’ Kits These are used to tie the wall together. |
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‘Standard’ Kits These are used to tie the wall to the foundation. |
Fixing Kit Components
A fixing kit is made up of different components. The components required differs based on whether it is a Top and Bottom kit of Standard kit.
Top and Bottom Kit
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Name |
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Notes |
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Base washer and nut |
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The Washer and Nut tie off the bottom of the main bar in the wall.
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Mainbar |
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The Main Bar is a length of threaded Reidbar and forms the core part of the vertical reinforcing kit. The Main Bar is joined to the Starter Bar using a Coupler. |
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Washer |
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The Washer and Nut tie off the top of a wall. |
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Nut |
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Standard Kit
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Name |
Image |
Notes |
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Epoxy |
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It is most common for Fixing Kits to be epoxied into the concrete foundation - Chemset C8 Extreme or Hilti Hit-500RE are common epoxies. |
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Starter Bar |
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The Starter Bar is a short length threaded Reidbar epoxied into the underlying concrete foundation. |
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Coupler |
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The Coupler joins the Main Bar to the Starter Bar. |
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Mainbar |
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The Main Bar is a length of threaded Reidbar and forms the core part of the vertical reinforcing kit. The Main Bar is joined to the Starter Bar using a Coupler. |
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Washer |
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The Washer and Nut tie off the top [and bottom in the case of a top and bottom fixing kit] of a wall. |
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Nut |
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How to read a Fixing Kit Product Code
Every fixing kit will have a unique product SKU i.e. RB20STD4200G
RB20 - refers to the diameter of the bar
Std - refers to the type of fixing kit - STD = Standard, and TAB = Top and bottom.
4200 - refers to height of the wall (mm)
G - refers to weather the bar is galvanised (G) or plain (B)
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