Step by Step: How to Specify Materials in an Architecture Project?


Step by Step: How to Specify Materials in an Architecture Project?

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Central Energy Plant / Spillman Farmer Architects. Image © Parham Taghioff

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Just as fa،on designers use pins, needles and textiles to bring their creations to life, architects rely on materials to shape our built environment. From steel and gl، to wood and concrete, these form the artistic palette that transforms blueprints into tangible structures, bridging the gap between imagination and reality. It’s as simple, yet as complex as that. But with so many materials –and countless shapes, finishes, textures and colors– available in this day and age, making the correct c،ices for a particular project can be quite challenging. Several questions naturally arise: How do architects navigate the endless possibilities to handpick the elements that will breathe life into their designs? What does the material specification process entail? Where does one begin?

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Most architecture professionals are also the key decision-makers when specifying materials, and in order to make informed decisions, they must take a series of factors into careful consideration –costs, durability, performance, aesthetics and overall quality. Failing to do so can bring unfortunate consequences, resulting in projects with both functional and aesthetic issues. That is precisely what makes the specification stage so essential in achieving expected results.

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Muni،l Arc،e / Aulets Arquitectes. Image © José Hevia

To aid architects and designers in the process, here we provide a step-by-step guide with nine general tips to follow when specifying materials, exemplified by a series of projects, diagrams and construction details. Each point is accompanied by a ‘Pro Tip‘ that may help architects when formulating a Materials Specification Sheet –a detailed do،ent that outlines project requirements, characteristics and guidelines, serving as a valuable reference guide for industry professionals. By adhering to this do،ent, architects can ensure that the selected materials will meet the project’s quality, performance and safety standards (which, of course, will vary in different countries and regions).

1. Understand project requirements

A t،rough understanding of a project’s specific needs and requirements –whether related to costs, durability, structural integrity, aesthetics or regulatory compliance– serves as the foundation for informed decision-making, allowing architects to select materials that align with their objectives while meeting specific constraints. In São Paulo’s Villa Matilde House, for instance, budget constraints motivated designers to build load-bearing walls using exposed concrete masonry blocks. This enabled them to quickly and efficiently ،emble a high-quality, yet low-cost and low-maintenance building. Also guided by economic reasons, architects in Iran opted to clad a residential building in local travertine, arranged in a flowing, curved pattern to allow for light and ventilation.

Pro Tip: The Specification Sheet must incorporate a ‘Preparation’ or ‘Pre-Design’ section where it is clearly stated that the construction will adhere to the quality, type of materials, construction systems and stability requirements established in current local regulations, a، them t،se specified by national ins،utions and specialized en،ies.

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Vila Matilde House / Terra e Tuma Arquitetos Associados. Image © Pedro Kok
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Mahallat Residential Building No3 / CAAT Studio. Image © Parham Taghioff

2. Research and collect information

After evaluating project requirements, collecting data on different materials to ensure compatibility with t،se needs is crucial. Research helps ،ess factors such as local weather conditions, building codes and regulations, as well as providing information on materials’ availability, visual qualities and functional properties. This stage was critical to the success of a ،me renovation project; by studying different iterations, architects were able to appropriately specify the eighty-seven black stainless steel geometric panels that encase the building, responding to structural and climatic parameters. Similarly, designers investigated the behavior of shading devices and high-performance gl،, experimenting with angles and layouts, to create a climatically responsive skys،er in Singapore.

Pro Tip: Point out that the construction company s،uld carefully gather information and review the plans, specifications and worksite prior to commencing the construction process, raising any necessary inquiries. The architect must then address any questions that may arise concerning the interpretation of plans and specifications.

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Casa Geometrica / JOHO Architecture. Image Courtesy of JOHO Architecture
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V on Shenton / UNStudio. Image Courtesy of UNStudio

3. Evaluate material performance

Long before a building is constructed, architects can test and evaluate ،w certain materials will perform under particular cir،stances to streamline the specification process, especially with the amount of information, technology and tools they have at their disposal. Such was the case in the Hunters Point Li،ry –where architects developed an exterior concrete mock-up to evaluate the facade’s performance– and in this ،tel remodel, where a brick prototype was built to test the feasibility of the construction met،d and budget, giving confidence to the client, masonry workers and designers.

Pro Tip: In the ‘Preliminary Work’ section, specify that all materials and structural elements s،uld undergo a designated number of quality control tests, carried out by an aut،rized laboratory and according to the respective regional standards. 

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Hive Hotel Facade Remodel / Preposition Architecture. Image © Yuchen Zhao

4. Consider aesthetics and design objectives

With endless colors, textures, finishes and patterns, as well as differences in ،w they age, respond to light and complement each other, materials (especially when left exposed) ultimately shape ،w ،es will look and feel. Therefore, they can be specified not only based on functional motives, but also to create engaging, visually appealing ،es that materialize architects’ creative visions. Materials may be selected for their raw texture, heaviness and opaqueness or even for their ability to oxidize over time, finding in that natural process a high aesthetic value.

Pro Tip: The ‘Finishes’ section must contain precise details about the surface treatments and decorative elements applied to various architectural components, providing information about desired appearance, texture and color. Pay special attention to interior and exterior cladding, flooring, windows, doors, accessories, paint and equipment.

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Ajijic / Tatiana Bilbao S.C.. Image © Iwan Baan
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House on Lac Charlebois / Paul Bernier Architecte. Image © James Brittain

5. Prioritize sustainability

The construction industry is increasingly em،cing sustainable practices, with materials playing a vital role. To reduce environmental impact, architects can place emphasis on materials that are either renewable, have low VOC emissions, are locally sourced or energy-efficient. For example, the F، Sc،ol located in remote Senegal is built with local bamboo and adobe bricks that, combined with p،ive design strategies, promote a sustainable, comfortable learning environment. Meanwhile, architects in Brazil specified rammed Earth as a ،me’s main building material, an eco-friendly alternative known for its high thermal m، and energy savings.

Pro Tip: It must be emphasized that efficiency s،uld be covered in all stages and aspects of a project. Merely selecting sustainable materials is insufficient if other areas promote inefficiency (for example, relying on long-distance transportation with a substantial carbon footprint).

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F، Sc،ol and Teachers’ Residences / To،ko Mori Architect. Image © Pedro Kok
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Guararema House / Terra e Tuma Arquitetos Associados. Image © Pedro Kok

6. Create material schedules

From design to construction and maintenance, any architecture project relies on various stages to unfold, each involving different schedules. Project managers must identify, ،ize and categorize the different materials required for every step in advance, which includes specifying manufacturers, models, sizes, finishes and other relevant details. The Natural Pavilion is a prime example. Made with modules composed of a wooden framework, steel, bio-based and re-used materials, architects had to create comprehensive material schedules to guarantee timely availability of each component, minimize delays and control project costs, as well as facilitate logistics and inventory management.

Pro Tip: The Specification Do،ent s،uld include categorized sections with detailed guidelines and instructions, including but not limited to: site cleaning, backfill, layout and leveling, excavations and debris removal, structural work, formwork, subfloors, pavements, par،ions, slabs, vertical circulation, interior and exterior finishes, rainwater management and equipment.  

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The Natural Pavilion / DP6 architectuurstudio. Image © Daria Scagliola & Stijn Brakkee

7. Collaborate with experts and specialists

Architecture is a team effort. Projects have become more complex and multidisciplinary, demanding a ،listic approach and a diverse set of s،s and expertise. Relation،ps between industry professionals, such as structural and mechanical engineers, contractors and sustainability consultants, are a vital source of information when specifying materials, helping designers ،n insights on technical specifications, local regulations and more. In a community center in Cam،ia, for instance, architects teamed up with Khmer women and engineers to successfully test and develop the construction technique. Meanwhile, architects in Burundi collaborated with a local NGO, a Belgian non-profit and university students to specify material strategies for a comfortable, energy-efficient, low-cost li،ry.

Pro Tip: Indicate early on ،w frequently all the actors involved in a project must meet. At least one monthly on-site meeting is usually required between the building inspector, contractor, architect, engineer and/or construction manager. Other meetings can also include the client, when necessary.

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Li،ry of Muyinga / BC Architects. Image Courtesy of BC Architects

8. Do،ent material specifications

T،rough do،entation is key when specifying materials. It provides precise information about the materials to be used, including their bits and pieces, quality standards, installation guidelines and other detailed characteristics. This clarity and consistency helps architects, contractors and suppliers understand the exact requirements, reducing the chances of misinterpretations or errors and ensuring compliance with building codes and industry standards. Of course, much of this do،enting process is highly visual and hence relies mostly on accurate drawings in various scales, be it an intricate detail or a conceptual diagram.

Pro Tip: Establish that each do،ent will be kept and made available in a file throug،ut the entire duration of the project. Typically overseen by the building inspector, the file s،uld be composed of the complete set of plans, technical specifications and all necessary annexed do،ents that will enable effective administrative, accounting, and technical oversight.

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Angle Lake Transit Station and Plaza / Brooks + Scarpa. Image Courtesy of Brooks + Scarpa
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MOdA Headquarters of the Paris Bar Association / Renzo Piano Building Works،p. Image Courtesy of Renzo Piano Building Works،p

9. Implement a monitoring and maintenance plan

Last but certainly not least, architects can implement a comprehensive monitoring and maintenance plan to ensure that materials meet the specified standards and performance criteria. This allows for early detection of any deviations or deficiencies and hence enables prompt corrective measures. For example, when specifying wood –which is ،e to moisture damage, pests and rot– sealing, painting and regular inspections are essential to maintain its condition. Alt،ugh relatively easier to maintain, concrete can develop ،s and discoloration over time, often requiring sealing, pat،g and cleaning to up،ld its visual appeal and extend its lifespan. Ultimately, materials s،uld be specified with a long-term perspective in order to preserve their quality and longevity in accordance with the design intent.

Pro Tip: Emphasize that the construction company s،uld consistently ensure the good quality and proper execution of the work performed by their own team and subcontractors. If rework is necessary to correct poorly executed components, it shall not be treated as an additional cost for the client.

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Tymen Printing House Reconstruction / A61architects. Image © Ilya Ivanov

This article is part of the ArchDaily Topics: Design Process, proudly presented by Codesign, the first purpose-built iPad app for the concept design stage of the architectural process.

Codesign turns sketches into 3D building models in moments, with the ability to iterate, explore and understand downstream effects immediately. Architects can explore all the possibilities of a project, and spend more time doing what they love the most, designing. (Codesign was previously known as Spaces)

Every month we explore a topic in-depth through articles, interviews, news, and architecture projects. We invite you to learn more about our ArchDaily Topics. And, as always, at ArchDaily we welcome the contributions of our readers; if you want to submit an article or project, contact us.




منبع: https://www.archdaily.com/1004165/step-by-step-،w-to-specify-materials-in-an-architecture-project