
| Commercial | ✓ |
|---|---|
| DIY | - |
| Sales | ✓ |
| Hire | ✓ |
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.

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) |

Forbuild’s Alpa aluminum support props have been used on large-scale construction sites, including projects led by major general contractors. In one reported case, several hundred Alpa 75 units were supplied for a high-rise condominium project in Osaka, where they were used to support half-precast components.
Alpa is designed to reduce the strain of carrying and setting up heavy steel pipe supports while providing the strength required for temporary support work. Its lightweight aluminum body, corrosion-resistant material, and plug-in tube system help crews move, install, and adjust props more efficiently on site.
For contractors dealing with labor shortages and an aging workforce, Alpa offers a practical way to improve handling efficiency without sacrificing support performance.
Forbuild supports commercial construction projects, product sales, and rental supply. DIY support is not available.
Forbuild is a Japanese construction company and materials manufacturer that supports business customers in English. Its Alpa aluminum support props are suitable for commercial construction projects, contractor use, and rental businesses that supply temporary works equipment.
Because Forbuild works in both construction and manufacturing, its products are developed with practical jobsite knowledge. The company focuses on materials that help crews work more comfortably while improving efficiency for contractors. In addition to support props, Forbuild develops formwork systems, fittings, and other construction materials.
Forbuild can also provide technical support, including construction drawings, formwork strength calculations, shoring plans, and quantity takeoffs. This makes Forbuild a practical partner for contractors that need both physical materials and engineering support for temporary works planning.
Forbuild is not positioned as a DIY supplier for individual consumers or small private users. Its services are primarily intended for construction companies, contractors, project teams, and rental businesses that require professional temporary support products and technical coordination.
| Company Name | Forbuild Co., Ltd. |
|---|---|
| Headquarters Address | 3-14-28 Nakamiya, Asahi-ku, Osaka-shi, Osaka, Japan |
| Official Website | https://www.forbuild.co.jp/ |
Based in Japan, Forbuild offers English support for contractors and rental companies considering 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
*Based on the ARPA 45 model.
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
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