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Prefabicated Truss Roof Work flow

Sigma Truss Roof Workflow diagram

The design of prefabricated roof structures by Sigma Truss.

  • Designing a prefabricated roof structure using software from abroad.

  • It can be designed to accommodate various roof types.

  • There are clear and robust calculations based on engineering principles, using the “BEST” principle in the design, namely:

  • Beauty

  • Economical

  • Safety

  • Topicality

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Standard Installation / Specifications for Sigma Truss prefabricated structure installation.

The installation area must be secured with at least 3 screws per point.

2. The truss design will allow for column spans up to 8 meters.

3. Truss spacing: For general roofing materials, the specified spacing is no more than 1.30 meters (this can be extended depending on the size of the purlins).

4. The truss spacing, in the case of metal sheet roofing, must not exceed 1.60 meters.

5. Areas with incorrect cuts, notches, and drilled holes must be touched up with spray paint.

6. On-site cutting of the truss must be done to the standard installation dimensions for each point.

7. Clean the work area every day after work.

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 Terms and conditions of the warranty. 

  • Installation must be carried out by the company using only “Sigma Truss” products and equipment. 

  • After installation is complete, if any additions or alterations are made to the roof design or installation area, the company disclaims all responsibility for any resulting damage, and this warranty shall be deemed terminated immediately.

  • If any damage occurs during installation, the company will be responsible for all procedures and costs of repair and rectification.

  • This warranty does not cover damage caused by force majeure or natural disasters.