TMS 402/602 PDF: A Comprehensive Download Guide (Updated 2026)
Accessing the TMS 402/602 PDF requires careful navigation. While a completely free download is unlikely, public comment drafts (like the 2021 version) are sometimes available from The Masonry Society.
What is TMS 402/602?
TMS 402/602 represents the current, leading-edge standards for masonry design and construction in the United States. Formerly known as ACI 530, these standards – TMS 402-16 (Building Code Requirements) and TMS 602-16 (Specification for Masonry Structures) – provide comprehensive guidelines for engineers, architects, and contractors.
These documents detail requirements for materials, design, construction, and quality control of masonry structures. They cover a wide range of masonry elements, including walls, columns, and foundations, utilizing materials like brick, concrete block, and stone. The standards are developed and maintained by Committee TMS 402/602 of The Masonry Society, ensuring they reflect the latest research and best practices.
Understanding TMS 402/602 is crucial for ensuring the safety, durability, and performance of masonry structures. While a completely free PDF download of the latest edition is generally unavailable, accessing public comment drafts or older versions can provide valuable insight. The standards are essential for compliance with building codes and industry regulations.
Historical Context: From ACI 530 to TMS Standards
Historically, masonry design in the US was governed by ACI 530, developed jointly by the American Concrete Institute (ACI), the Masonry Institute of America (MIA), and the American Society of Civil Engineers (ASCE). However, in 2010, The Masonry Society (TMS) assumed primary responsibility for maintaining and updating these standards.
This transition led to the renaming of the standards to TMS 402/602, reflecting TMS’s leadership. While the core principles remained consistent, TMS brought a renewed focus on masonry-specific research and innovation. The 2016 editions – TMS 402-16 and TMS 602-16 – marked a significant milestone in this evolution.
Although finding a free PDF of the very latest version can be challenging, understanding this historical shift is vital. Older versions, previously designated as ACI 530, still offer valuable foundational knowledge; The change to TMS standards signifies a commitment to advancing the field of masonry engineering and construction practices.
TMS 402-16: Building Code Requirements for Masonry Structures

TMS 402-16 establishes the minimum requirements for the design of masonry structures, encompassing various materials like concrete masonry, clay brick, and stone. It details acceptable stresses, load combinations, and detailing provisions to ensure structural safety and serviceability. This standard is crucial for architects, engineers, and contractors involved in masonry construction projects.
The document covers aspects like flexural and compressive strength, shear resistance, and stability against overturning. It also addresses specific considerations for reinforced masonry, unreinforced masonry, and composite construction. While a free PDF of the complete standard is typically unavailable, understanding its scope is essential for compliant design.
TMS 402-16 serves as the foundation for building codes across the United States, ensuring consistent and reliable masonry construction practices. It’s a key reference for professionals seeking to create durable and safe masonry structures.

TMS 602-16: Specification for Masonry Structures

TMS 602-16 complements TMS 402-16 by providing detailed material specifications and quality control requirements for masonry construction. It outlines acceptable materials, testing procedures, and construction tolerances to ensure that the built structure meets the design intent. This specification is vital for maintaining the integrity and performance of masonry systems.

The document covers aspects like mortar properties, masonry unit characteristics, and reinforcement detailing. It establishes clear criteria for material acceptance and workmanship, minimizing the risk of construction defects. While obtaining a free PDF copy of the full specification is challenging, awareness of its contents is paramount for quality assurance.

TMS 602-16 is often referenced in project specifications to define the required standards for masonry materials and construction practices, ensuring a durable and reliable final product.
Key Differences Between TMS 402 and TMS 602
TMS 402, the Building Code Requirements, establishes the prescriptive rules for designing masonry structures – essentially, what you are allowed to do. Conversely, TMS 602, the Specification for Masonry Structures, dictates how those designs must be implemented in the field, focusing on material quality and construction methods.
Think of TMS 402 as the ‘design guide’ and TMS 602 as the ‘construction manual’. TMS 402 provides allowable stresses and design procedures, while TMS 602 details material testing, mixing requirements, and acceptable construction tolerances. Both standards are crucial, but serve distinct purposes throughout a project’s lifecycle.
Finding a free PDF of both documents simultaneously is unlikely; purchasing options are available through The Masonry Society and the ACI Store. Understanding this distinction is key to proper application and compliance.
Why Download the TMS 402/602 PDF?
Downloading the TMS 402/602 PDF is essential for anyone involved in masonry design, construction, or inspection. These standards ensure structural safety, code compliance, and project longevity. Access provides detailed requirements for materials, design calculations, and construction practices, minimizing risks and potential liabilities.
Having the PDF allows for offline access, convenient referencing during site visits, and detailed study of specific clauses. While a completely free, legally compliant PDF is difficult to obtain, accessing the standards – even through purchase – is a vital investment.
Staying current with the 2016 edition (and future updates) is crucial, as building codes evolve. The Masonry Society and ACI Store offer reliable access to the latest versions.
Legal Considerations and Copyright
Downloading TMS 402/602 PDFs from unofficial sources carries significant legal risks. These documents are protected by copyright, owned by The Masonry Society (TMS) and the American Concrete Institute (ACI). Unauthorized distribution or use constitutes copyright infringement, potentially leading to substantial penalties.
“Free” downloads often violate these copyrights, and may contain outdated or inaccurate information, compromising structural integrity and code compliance. Purchasing a legitimate copy from masonrysociety.org or concrete.org ensures you have the most current, legally sound version.
Using unlicensed copies can invalidate insurance coverage and expose professionals to legal liabilities. Always verify the source and ensure compliance with copyright regulations when accessing these critical standards.
Respecting intellectual property rights is paramount in the construction industry.
Finding Legitimate Download Sources
Locating authorized TMS 402/602 PDFs requires focusing on official channels. The primary sources are The Masonry Society (TMS) website (masonrysociety.org) and the ACI Store (concrete.org). While a completely “free” PDF of the full, current standard is generally unavailable, TMS occasionally releases public comment drafts for review – these are time-limited and not for construction use.

The ACI Store offers purchase options for the 2016 edition (and newer versions when available) in various formats: Inch-Pound units, printed documents, and protected PDF/Web View access. Be wary of third-party websites offering downloads, as these are frequently unauthorized and potentially harmful.
Prioritize official sources to guarantee you’re using a legally compliant and up-to-date standard, ensuring project safety and adherence to building codes.
Always verify the authenticity of the source before making a purchase.

The Masonry Society Website (masonrysociety.org)
The Masonry Society’s website (masonrysociety.org) serves as a central hub for information regarding TMS 402/602. While a direct, free download of the complete standard PDF isn’t typically offered, the site frequently hosts public comment drafts for review and feedback. As of March 23, 2026, a 2021 public comment draft was available, requiring JavaScript and cookies to enable access.
These drafts are invaluable for staying informed about proposed changes but should not be used for construction purposes. The website provides details on purchasing the official PDF from the ACI Store, alongside membership benefits that can reduce the cost.

Regularly checking the TMS website is recommended to discover any newly released draft versions or updates regarding PDF availability and pricing. It’s the most reliable source for legitimate information.
Explore the resources section for related publications and educational materials.
ACI Store (concrete.org) ⎻ Purchase Options
The ACI Store (concrete.org) is the primary source for purchasing the official TMS 402/602 PDF. As of March 23, 2026, the 2016 edition is available in multiple formats: inch-pound units (IN-LB), printed document, and a protected PDF/Web View. The standard price is $164.00 USD, but ACI members receive a discounted rate of $124.00 USD, representing a $40.00 USD saving.
While a completely free download isn’t offered, the ACI membership provides a cost-effective solution for frequent users. The store clearly indicates that a newer version of the document exists, encouraging users to consider the latest edition for up-to-date code requirements.
Purchasing through the ACI Store ensures access to a legally compliant and officially recognized version of TMS 402/602, essential for professional applications. Explore membership options to maximize savings.
Secure online transactions are guaranteed.
Public Comment Draft Availability
The Masonry Society occasionally releases public comment drafts of TMS 402/602 for review and feedback. These drafts, while not the final published standards, can offer a temporary avenue for accessing the document’s content without immediate purchase. As of today, March 23, 2026, a public comment draft from May 31, 2021, is available on the Masonry Society’s website (masonrysociety.org).
However, accessing these drafts typically requires enabling JavaScript and cookies within your web browser. It’s crucial to remember that these are drafts, subject to change before final publication, and shouldn’t be used for official construction or compliance purposes.
These drafts provide valuable insight into proposed revisions and updates to the standards. Checking the Masonry Society’s website regularly is recommended to identify any newly released public comment versions. This is the closest option to a “free” download.
Always verify the draft’s date and status.
Cost of TMS 402/602: Member vs. Non-Member Pricing
Directly obtaining a full, legally compliant TMS 402/602 PDF typically involves a purchase. The ACI Store (concrete.org) offers the 2016 edition (formerly ACI 530) with distinct pricing tiers. Non-members can expect to pay $164.00 USD for the document. However, ACI members benefit from a reduced rate of $124.00 USD, representing a $40.00 USD savings.
These prices cover access to the standards in various formats, including a protected PDF/Web View, a printed document, and versions utilizing inch-pound units (IN-LB). While a completely free download isn’t readily available through official channels, the membership discount significantly lowers the cost for professionals who frequently utilize these standards.
Consider the long-term value and frequency of use when deciding whether to purchase a membership alongside the document.
Membership offers broader access to ACI resources.
Units and Formats Available (IN-LB, Printed, PDF/Web View)
When purchasing TMS 402/602 through the ACI Store, several format options cater to diverse user preferences. The standards are available in inch-pound units (IN-LB), a common measurement system within the United States. Beyond digital access, a traditional printed document can be ordered for offline reference.
For convenient access on various devices, a protected PDF/Web View is also offered. This digital format ensures document security and allows for easy searching and navigation. While a free PDF download of the complete document is unlikely, these format choices provide flexibility for how you integrate the standards into your workflow.
The availability of these options ensures professionals can access TMS 402/602 in the most suitable manner for their projects and needs, despite the lack of a free, full-version download.
Choosing the right format enhances usability.
Understanding the 2016 Edition and Newer Versions
The TMS 402/602 standards underwent a significant transition, formerly known as ACI 530. The 2016 edition, while widely used, is now considered superseded. The ACI Store clearly indicates that a newer version of the document exists, implying updates and revisions have been implemented since 2016.
Finding a free PDF download of the latest version is challenging, as standards organizations typically require purchase for access to the most current information. Utilizing older, freely available drafts, like the 2021 public comment draft from The Masonry Society, may offer some insight, but should not be used for compliance purposes.
Professionals must prioritize using the most up-to-date standards to ensure projects adhere to current building codes and best practices. Staying informed about revisions is crucial, even if it necessitates a purchase.
Always verify the edition you are using.
Committee TMS 402/602: Development and Sponsorship
The Masonry Society’s Committee TMS 402/602 is responsible for the development and maintenance of these crucial standards. Previously, these standards were developed through joint sponsorship with ACI (American Concrete Institute) and ASCE (American Society of Civil Engineers). This committee comprises experts dedicated to advancing masonry design and construction practices.
The collaborative effort ensures the standards reflect the latest research, technological advancements, and industry needs. While the committee doesn’t directly offer free PDF downloads, their work is the foundation of the standards available for purchase. Accessing the official documents supports the ongoing efforts of this dedicated group.
Understanding the sponsorship highlights the rigorous process behind these standards. Seeking a legitimate source, like The Masonry Society or the ACI Store, ensures you’re utilizing a document vetted by industry professionals.
Their dedication ensures quality and accuracy.
Applications of TMS 402/602 in Construction
TMS 402/602 standards are fundamental to ensuring the structural integrity and safety of masonry construction projects. These standards govern the design, materials, and construction techniques for a wide range of structures, including buildings, walls, chimneys, and bridges. They are crucial for architects, engineers, contractors, and inspectors.
Proper application of these standards minimizes risks and ensures compliance with building codes. While a free PDF download isn’t readily available, utilizing the official documents – purchased from sources like the ACI Store – guarantees adherence to best practices. This is vital for project success and public safety.
The standards cover load-bearing masonry, reinforced masonry, and various construction details. Investing in the official documentation ensures projects meet the required safety and performance criteria.
Knowledge of these standards is essential for all construction professionals.

Navigating the Document: Table of Contents and Key Sections
TMS 402/602 is a comprehensive document, and understanding its structure is key to efficient use. The Table of Contents provides a roadmap to its various sections, covering everything from material specifications to design requirements. Key sections include those detailing allowable stresses, detailing requirements for reinforced masonry, and provisions for seismic design.
While searching for a free PDF download might seem appealing, the official document offers a detailed index and cross-referencing, making information retrieval much easier. The commentary sections provide valuable explanations and interpretations of the code provisions.
Familiarizing yourself with these sections allows for targeted access to the information needed for specific design or construction challenges. The document’s organization is logical, but a thorough review of the Table of Contents is highly recommended.
Effective navigation saves time and ensures accurate application of the standards.
Where to Report Issues with the PDF Document
Encountering issues with a downloaded TMS 402/602 PDF, particularly those obtained from unofficial sources, is possible. Corrupted files, missing pages, or rendering errors can hinder usability. If you’ve purchased the document from the ACI Store (concrete.org), their customer support is the primary point of contact for reporting technical problems.
For public comment drafts obtained from The Masonry Society (masonrysociety.org), reporting issues directly to them via their website’s contact form is advisable. Clearly describe the problem, including the specific page number or section affected.
When reporting, specify the PDF version and the software used to view it. While free downloads may lack dedicated support, noting any errors contributes to improving future versions. Always prioritize official sources for reliable documentation and support channels.
Prompt reporting helps ensure the document’s integrity and accessibility.














































































