The construction industry contributes significantly to many countries' gross domestic products (GDP). Global expenditure on construction activities was about $4 trillion in 2012. In 2022, expenditure on the construction industry exceeded $11 trillion a year, equivalent to about 13 percent of global GDP. This spending was forecasted to rise to around $14.8 trillion in 2030. Some construction projects are small renovations or repair jobs, like repainting or fixing leaks, where the owner may act as designer, paymaster and laborer for the entire project. However, more complex or ambitious projects usually require additional multi-disciplinary expertise and manpower, so the owner may commission one or more specialist businesses to undertake detailed planning, design, construction and handover of the work. Often the owner will appoint one business to oversee the project (this may be a designer, a contractor, a construction manager, or other advisors); such specialists are normally appointed for their expertise in project delivery and construction management and will help the owner define the project brief, agree on a budget and schedule, liaise with relevant public authorities, and procure materials and the services of other specialists (the supply chain, comprising subcontractors and materials suppliers). Contracts are agreed for the delivery of services by all businesses, alongside other detailed plans aimed at ensuring legal, timely, on-budget and safe delivery of the specified works.

Cement-bonded composites are made of hydrated cement paste that binds wood, particles, or fibers to make pre-cast building components. Various fibrous materials, including paper, fiberglass, and carbon-fiber have been used as binders. Wood and natural fibers are composed of various soluble organic compounds like carbohydrates, glycosides and phenolics. These compounds are known to retard cement setting. Therefore, before using a wood in making cement-bonded composites, its compatibility with cement needs to be assessed. Wood-cement compatibility is the ratio of a parameter related to the property of a wood-cement composite to that of a neat cement paste. The compatibility is often expressed as a percentage value. To determine wood-cement compatibility, methods based on different properties are used, such as, hydration characteristics, strength, interfacial bond and morphology. Various methods are used by researchers such as the measurement of hydration characteristics of a cement-aggregate mix; the comparison of the mechanical properties of cement-aggregate mixes and the visual assessment of microstructural properties of the wood-cement mixes. It has been found that the hydration test by measuring the change in hydration temperature with time is the most convenient method. Recently, Karade et al. have reviewed these methods of compatibility assessment and suggested a method based on the ‘maturity concept’, i.e. taking in consideration both time and temperature of cement hydration reaction. Recent work on aging of lignocellulosic materials in the cement paste showed hydrolysis of hemicelluloses and lignin that affects the interface between particles or fibers and concrete and causes degradation. Bricks were laid in lime mortar from the time of the Romans until supplanted by Portland cement mortar in the early 20th century. Cement blocks also sometimes are filled with grout or covered with a parge coat. A cement is a binder, a chemical substance used for construction that sets, hardens, and adheres to other materials to bind them together.

To facilitate and optimize the use of new materials and up-to-date technologies, ongoing research is being undertaken to improve efficiency, productivity and competitiveness in world markets. Material research and development may be commercial, academical or both, and can be conducted at any scale. Rapid prototyping allows researchers to develop and test materials quickly, making adjustments and solving issues during the process. Rather than developing materials theoretically and then testing them, only to discover fundamental flaws, rapid prototypes allow for comparatively quick development and testing, shortening the time to market for a new materials to a matter of months, rather than years. In 2017, buildings and construction together consumed 36% of the final energy produced globally while being responsible for 39% of the global energy-related CO2 emissions. The shares from the construction industry alone were 6% and 11% respectively. Energy consumption during building material production is a dominant contributor to the construction industry’s overall share, predominantly due to the use of electricity during production.