Forbuild

Table of Contents
Table of Contents
   
Forbuild_公式HPキャプチャ画像
Image Source: Forbuild Official Website
https://www.forbuild.co.jp/

Forbuild is a Japanese company engaged in construction and formwork projects, while also offering construction materials developed in-house.

One particularly notable product is the lightweight and strong aluminum falsework prop, Alpa. This article introduces the features of Alpa and the suitable site conditions for its use.

An Example of Falsework Prop Product Offered by Forbuild

Alpa

アルパの画像
Image Source: Forbuild Official Website
https://www.forbuild.co.jp/material/alpa.php

Suitable Conditions for Alpa

Alpa is well suited for material rental companies that want to reduce the risk of damage and replacement frequency, as it is designed to maintain durability even under high-frequency rental use and harsh job-site conditions.

Because of its lightweight aluminum construction, Alpa is less prone to damage from falls or collisions during work, which in turn reduces costs for repairs and re-procurement. Alpa is made from superior anti-rust materials. This enables long-term reuse and allows for high turnover while minimizing material loss.

Its stackable design enables space-saving storage and retrieval, contributing to reduced workload and increased efficiency in warehouse operations. As a distinctive material that is easy to differentiate within the rental lineup, the introduction of Alpa can be expected to enhance sales appeal.

Weight Alpa 45: 8.9 kg
Alpa 75: 11.1 kg
Load-Bearing Capacity • Alpa 45:
Both ends: Timber batten / 14.0 kN
Top end: Timber batten; Bottom end: Concrete / 19.0 kN
• Alpa 75:
Both ends: Timber batten / 24.0 kN
Top end: Timber batten; Bottom end: Concrete / 36.0 kN
Material Aluminum
Overall Length Alpa 45 and Alpa 75: Minimum 2,300 mm / Maximum 3,490 mm
*The length of the column can be customized according to requirements (Types: 90, 70, 60, 50, 40, 30)

Company Information of Forbuild

Company Name Forbuild Co., Ltd.
Headquarters Address 3-14-28 Nakamiya, Asahi-ku, Osaka-shi, Osaka Prefecture
Official Website https://www.forbuild.co.jp/
3 Recommended
Shoring Props
for Various Site Conditions
3 Recommended
Shoring Props
for Various Site Conditions
For Sites with Frequent Short-TermInstallation and Removal
  • Reinforced Concrete Construction in Urban Areas
  • Detached House Construction
  • Construction Equipment Rental Business
ForbuildAlpa
Alpa

Source: https://www.forbuild.co.jp/material/alpa.php

Unit
Weight
8.9/11.1 kg
Load
Capacity
19.0~36.0 kN*
Material Aluminum
Max
Length
3,490mm

*When the upper end is fixed to timber and the lower end to concrete

  • Weighing only 8.9 kg*, this prop significantly reduces handling effort and improves efficiency for manual installation and removal on short-duration sites.
  • Made of lightweight, corrosion-resistant aluminum, it withstands repeated use without damage—minimizing repair and disposal costs.

*Based on the ARPA 45 model.

For Sites Requiring Fine Adjustment Under Load
  • Construction Equipment Rental Business
  • Creating New Openings
  • Demolition Sites
PERIFlex Heavy-Duty
Prop HD
PERI

Source: https://www.peri.ltd.uk/products/peri-up-flex-heavy-duty-prop-hd.html

Unit
Weight
91.03~265.98kg
Load
Capacity
Up to 200 kN
Material Steel
Max
Length
Approx.8,330mm

https://www.peri.ltd.uk/dam/jcr:cb5a5bf0-8e05-4d70-b6fd-780f3cf91333/peri-up-flex-hd-prop.pdf

  • The hydraulic cylinder mechanism allows for controlled adjustment even under load, enabling fine-tuning as construction progresses.
  • Pre-applied prestress supports the self-weight of beams and slabs, along with live loads, helping to prevent dangerous collapse during dismantling.
For Sites with Long-Term Outdoor Installations
  • Bridge Construction
  • Tunnel Excavation
  • Port Facility Construction
AltradTetrashor
Altrad

Source: https://www.altrad-coffrage.com/en/solutions/shoring/props/tetrashor.html

Unit
Weight
Approx. 131–159 kg
Load
Capacity
Up to 400 kN*
Material Hot-Dip Galvanized High-Tensile Steel
Max
Length
17,000mm*

*Applicable to single-leg prop configuration onl

  • Made of high-strength steel with key components hot-dip galvanized for enhanced durability, this prop is built to withstand long-term outdoor use.
  • Its integrated modular design resists lateral forces, minimizing horizontal displacement and tilting—offering stability against weather and seismic risks during extended installations.