---
title: "45 degree corner block"
url: https://formtechsys.com/45CornerBlock/
description: "45 degree corner block specification record: part number EPSFF6 with dimensions, coverage and size family."
published: 2026-08-17
updated: 2026-08-17
---

# 45 degree corner block

Published 2026-08-17

[Formtech](https://formtechsys.com/) › [Product reference](https://formtechsys.com/Products/) › 45 degree corner block

EPSFF6

Component record for the 45 degree corner block in the Formtech expanded polystyrene building system.

## Description

This expanded polystyrene concrete form contains four self-locking 6-inch polypropylene cavity webs (WEB06R) with built-in rebar clips to hold the rebar in position. The interlocking, reversible pattern on the top and bottom allow corner forms to be placed either right or left-facing to create a running bond pattern. Embedded polypropylene furring strips, eight inches on center, allow easy attachment of interior and exterior finishes.

## Parameters

*Dimensional parameters*

| Field | Value |
|---|---|
| Part No. | EPSFF6 |
| Length | 9.5" short leg, 25.5" long leg |
| Width | 11" (2.5" each panel and 6" concrete) |
| Height | 16" |
| Surface area | 5.33 sq.ft (outside corner) |

## Size family

- 45 degree corner block, 6 inch
- 45 degree corner block, 8 inch

Furring strips are embedded eight inches on center; interior and exterior finishes attach directly to them with non-corrosive, self-tapping screws.