RT Card File
The RT Card File brings together the key guidelines, regulations, and established best practices of the construction industry in a single service. You do not need to spend time searching for or compiling information from multiple sources. Instead, you can focus on what matters most: making effective decisions and ensuring high-quality results.
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The content of the RT Card File is produced through committees of the Rakennustieto Foundation.
A broad range of construction-sector experts contribute to the content, including:
The content is based on:
The result is a reliable knowledge base that supports high-quality, compliant construction.

Alvari searches for information on your behalf from card indexes and RYL services to which you have access.

The RT Card File has become an established part of Finnish construction practice. It combines practical experience with expert knowledge and proven working methods.
When essential construction guidelines, regulations, and best practices are available through a single service, you save time and gain confidence in:
The RT Card File supports the entire construction process by providing a shared foundation for sound technical and professional solutions.
A broad collection of guidance covering different areas of construction, including:
Suitable for both:
Essential construction-related guidance gathered in one place:
Easy to use in both design and implementation phases.
Product cards provide information on construction products and technical solutions.
They support:
The benefits of the RT Card File could fill an endless list because it is an absolutely essential source of information in the construction industry. Its greatest advantage is that it provides commonly accepted and precise information for people working in different roles within construction projects.
Maini Alho-Ylikoski
Architect, Espoo Facilities Services
The RT Card File is a valuable knowledge repository containing guidance, regulations, and solutions for a variety of design challenges. It has evolved over decades and continues to provide up-to-date information for industry professionals.
Mikko Kaira
Architect, UKI Arkkitehdit
Provides ready-made requirements and solutions to support design work, reducing detailed specification effort and improving constructability.
Helps define project quality requirements and supports the achievement of high-quality outcomes.
Clarifies implementation requirements and helps ensure compliance with project specifications.
Provides a clear basis for quality assessment and project documentation.
RT Guideline Cards Are Now Available Directly in Your Browser
Alvari AI Assistant Has Enhanced Information Retrieval in the RT Card File
Explore the Content of the RT Card File