Prefab construction was once primarily linked to mobile homes, but as sustainable building practices gain popularity, prefab homes have evolved significantly. Deciding between prefab and traditional construction isn't straightforward, as the best choice depends on your specific circumstances. In this article, we’ll explore the benefits and drawbacks of both prefab and traditional homes. By weighing these factors, you'll be able to make an informed decision about which type of home is the right fit for you.
Prefab homes are specialized dwellings that are manufactured off-site. Unlike traditional construction, where materials like 2x4s and plywood are transported to the site, prefab builders purchase materials in bulk and assemble the homes in a central warehouse. Once completed, the finished house is then shipped to the building location.
Typically, the only on-site construction involved is preparing the foundation. Once the foundation is ready, the prefab home is delivered and lifted into place using a crane. Depending on the builder, some prefab homes come fully finished and turnkey, while others are shipped as a completed shell, with interior finishes added on-site.
Prefab homes are known for being pre-manufactured in standard sections, which can be quickly shipped and assembled, offering a more efficient and streamlined building process compared to traditional methods.
Many people mistakenly think that prefab homes and stick-built homes only differ in the materials used during construction. In reality, the difference lies more in how and where the home is built. While both types of homes can use similar building materials, they follow different construction methodologies and technologies.
Stick-built homes are constructed primarily or entirely on-site, using traditional methods. The term "stick-built" refers to the framework of the walls and roof, which are typically made from 2x4s, although metal posts and poles are also commonly used.
On the other hand, prefab homes are built in factories or warehouses before being shipped to the construction site. Prefab homes can be made from various materials and methods, including 2x4 post and beam structures, as well as insulated concrete forms, panelized homes, and structural insulated panels (SIPs). This off-site construction process allows for faster assembly and more controlled conditions compared to on-site stick building.
The lifespan of both prefab and traditional homes largely depends on the quality of the builder. Unfortunately, with the housing market becoming more competitive, some builders cut costs by using inferior materials and practices, which can lead to shorter-lasting homes. A traditional home built to high standards, such as passive house requirements with a super-tight building envelope and high-performance insulation, can last a lifetime. Similarly, a prefab home made from structural insulated panels (SIPs) can also be durable and long-lasting.
One key advantage of prefab homes is that, due to the shipping and handling process, builders often place extra emphasis on durability. Because prefab homes are built in factories and warehouses, they must be structurally sound enough to withstand the rigors of shipping and crane-lifting onto the foundation. To avoid the costs associated with fixing damage that occurs during transport and installation, prefab builders prioritize structural integrity and tight building envelopes. As a result, many prefab homes are exceptionally durable and built to last.
It depends on the builder. Many prefab companies can reduce costs by purchasing materials in bulk. The controlled factory-building process also helps minimize construction waste and debris, which is a significant cost-saving factor. In fact, in 2017, the construction industry generated over 20 million tons of waste, which not only takes up valuable landfill space but also adds to the overall costs for builders.
Since prefab expandable homes are more efficient in material usage, builders may be able to invest in higher-quality resources without significantly raising the cost of the final product. While the choice of materials varies by contractor, some prefab builders specialize in using sustainable, low-VOC materials, bamboo plywood, and FSC-certified wood. For homeowners seeking healthy and eco-friendly homes, these options are often available without a major price increase.
One of the most oft-cited advantages of prefab homes is that they are widely considered less expensive than stick-built homes. The efficiency in resource and material use alongside mass-production models with factory-built homes makes them more affordable. Nonetheless, it is crucial to recognize that there can be hidden costs associated with the final home cost.
Homeowners considering prefab container homes should confirm that the quoted price includes delivery and crane fees. If purchasing an unfinished prefab home, obtaining a detailed estimate for the complete turnkey product is essential. A finalized quote is especially important when working with multiple contractors to avoid unexpected costs. Additionally, it's important to remember that prefab home prices do not include the cost of land. In some areas, land value can be equal to or even exceed the price of the home itself.
