Stick-built vs Prefabrication (Modular, Mobile, Prefab) … Explained
To understand modular construction a client needs to compare it to other methods of residential construction, whether for a small, average, or custom home.
Stick-built or Prefabrication — one of these methods will build your home.
“Stick-built”
Traditional housing construction means building homes piece by piece on-site. 90% of the construction is done at the location. This often causes problems: poor quality craftsmanship with fewer skilled workers. . Long construction cycle cause cost increases. Warranties become complicated due to many subcontractors.
Unseasoned or weather damaged wood cause settlement cracks leading to water infiltration. Delays and being open to weather decrease material quality and integrity generating mold, pests and pollen encapsulated when walls enclosed. Walls may crack as new lumber shrinks.
Builder subdivisions for single-family homes and townhomes use this method.
"Prefabrication" means various amounts (all, some or most) of the building parts of a house (walls, roofs & floors) are assembled in a factory before final assembly on site.
There are several types of prefabrication:
Mobile, Panelized and Modular
“Mobile” (manufactured or trailer)
“All” parts of this home are factory-made. It sits on a steel trailer frame to support the building and can be hitched to a vehicle and moved anytime. Built from standard plans with some interior options, these homes don’t follow regular residential building codes. They meet lower HUD standards and are not seen as permanent. They come fully finished with appliances. Financing works like a consumer loan, causing their value to drop. Insurance is hard to get, The only asset value comes from the land they sit on. Warranties are limited, like other consumer goods. Examples include RVs, trailer park homes, and tiny homes.
“ Prefabricated”
“Some” parts of this home are factory-made, like parts of walls, floors, ceilings, and roof. These panels are easier to ship. They are assembled on site. They can follow standard or custom designs. This method mixes prefabrication and traditional building methods. Although it uses less labor than stick-built, skilled workers are needed on site to assemble all the pieces of the walls, floors and roof. More pieces to assemble means more places for errors without skilled workers. While panels are factory inspected, onsite building code checks do not cover quality.
“Modular”
“Most” parts of this home are factory-built. Large volume sections (multiple rooms finished) are assembled in a factory. It meets the same building codes as traditional homes. Stock plans or custom designs are possible. Inspections from third parties are required for code and quality. Modular sections transported to the site are attached to a foundation making it an asset and easier to secure a mortgage. This type of home is structurally stronger than traditional homes due to shipping standards. Modular construction caps costs and ensures highest quality. The single-source controlled factory environment leads to precise construction, energy-efficiency, better indoor air quality, less waste and greater sustainability.
Modular construction offers the best consistent quality, precision and timeliness for competitive pricing,
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