Do You Know The Advantages Of Prefabricated Houses?

Prefab house is a house construction system that uses a light steel structure frame and other thermal insulation and decoration materials to integrate production and field installations in the factory. The main features of this house are safety, comfort and fast construction.

Compared with traditional residences, prefabricated houses have the following advantages:

First, the insulation function

Prefabricated house: Use high-efficiency energy-saving system, fill glass fiber wool in the keel grille of the wall as insulation material, and use extruded board or polyurethane insulation material in the outer wall to avoid the "cold bridge" phenomenon of the wall and reach better Insulation effect. Completely reached the national energy-saving code of 65%.

Traditional residence: high thermal conductivity, average thermal insulation function

Moistureproof and breathable

Light steel prefabricated villa: Use high-efficiency energy-saving system. The entire periphery of the wall is sealed with moisture-proof seals using one-way breathing paper to adjust the indoor humidity and humidity. Indoors, the insulation cotton with aluminum foil veneer can completely block the entry of humid air.

Traditional house: no overall moisture-proof method, poor breathability

Third. Seismic strength

Prefabricated house: The construction is light in weight and has good durability. Because the “cage” structure has good integrity, it has the least damage under the effect of earthquake load, and it is easy to rescue when an earthquake comes

Traditional construction: brittle structure, severely damaged under earthquake loading

Fourth, fire resistance rating

Prefabricated house: all materials used for exterior and interior walls can satisfy the requirements of fire rating

3e Prefab House

Traditional house: better

Five. Structure span

3E prefab house: can complete a wide range of diversified, rich structural methods

Traditional house: a single way to complete a large span, costing a lot of data

Six. Construction cycle

Prefabricated house: Compared with the traditional brick structure, it can save half or more construction time, and you can move in after completion. Founding cycle about 2 months

Traditional residence: long construction period, no construction during cold weather

Seven, factory prefabrication

Prefabricated houses: most structures such as keel, floor, and roof truss can be prefabricated in the factory and standardized production

Traditional house: very few prefabricated components, you can buy as much as you like

Eight, take back

Prefabricated houses: primary structural components can be recovered and reused

Traditional House: Unrecoverable

Nine, low-carbon environmental protection

Prefabricated house: The construction process is dry operation, no pollution and noise during the construction process, and the light steel structure system can be recycled.

Traditional houses: lots of construction waste and noise

Ten, utilization rate

Prefabricated house: The light steel structure wall is thin, and the yield rate is about 15% higher than that of traditional construction.

Traditional house: the walls are too thick and the room price is low

Eleven convenient installations

Prefabricated house: The construction process is the assembly process of the factory's prefabricated components. Simple and clean construction, all dry work construction

Traditional houses: the construction process is messy and requires a long-term water extraction protection cycle

Twelve, appearance style

Prefabricated houses: sensitive planning, free from the constraints of traditional residences, strong artistic appreciation of the appearance of residences

Traditional house: single style

Why Choose Polyurethane Composite Board?

Polyurethane composite panel is also called pu sandwich panel.

The polyurethane-based composite board is composed of upper and lower color steel plates and intermediate foamed polyurethane. It adopts the world's advanced six-component on-line automatic operation mixed casting technology, which can complete the online mixing process of the social batching center or factory at once It can be adjusted freely online according to the temperature, so as to produce a distinctive high-strength, energy-saving, green and environmental-friendly building board.

Pu Sandwich Panel

Due to its good fire and moisture resistance, it is also commonly used for edge banding core materials of other material composite boards. Polyurethane edge banding composite boards use high-quality color-coated steel plates as the face material, continuous rock wool and glass wool as the core material, and high density and rigidity. Foamed polyurethane is filled with tongue and groove. After high-pressure foaming and curing, it is automatically compacted with cotton and formed by super-long double-covered tape. It has better fireproof and thermal insulation effects and longer-lasting performance than traditional cotton maintenance materials. , Easy installation and elegant appearance. Is a leader in steel building maintenance materials.

Sandwich panel supplier believes that as a new type of building energy-saving insulation material, polyurethane composite board has been widely used in different countries, and its use plays an important role in promoting the continuous innovation of building materials. With the increasing requirements of modern construction industry, especially for the use of interior materials, the selection of polyurethane composite panels is a general trend.

Application:

Polyurethane composite board as a building energy-saving insulation material has been widely used in developed countries such as Europe, the United States, and Japan, with a penetration rate of 80%, and its application in China is less than 10%. Polyurethane sandwich panel is an excellent energy-saving insulation material. Its excellent thermal insulation, fire resistance and thermal insulation performance can provide an efficient solution to China's energy consumption crisis.

Polyurethane sandwich panels are widely used in large industrial plants, cold storage, garages, mobile homes, exhibition halls, exhibition halls, stadiums, shopping centers, airports, power plants, villas, hospitals, ground floors and high-rise office buildings. Performance is mainly used in roofs and walls of industrial and civil buildings.

The Development Trend Of Prefabricated Houses

Prefabricated villa is a prefabricated structure house in a prefabricated building. The main material is a prefabricated keel made of hot-dip galvanized steel strip through cold rolling technology. After accurate calculations, the support and combination of accessories To play a reasonable bearing capacity. This is a mature construction system with excellent physical properties, flexible space and shape, easy to build, and various forms.

Light steel prefabricated villa has the following characteristics:

(1) The wall of the steel structure building is thin, light in weight and high in strength of steel. The weight of the dwelling built with the steel structure is about 1/2 of that of the reinforced concrete dwelling; it meets the needs of the large apartment, and the use area is larger than that of the reinforced concrete About 4%, and because of its own weight, the foundation cost is lower than traditional buildings. Safety and reliability, good earthquake resistance, wind resistance and structural performance.

(2) The steel structural members are manufactured in the factory, the quality is ensured, the field workload is effectively reduced, the construction period is shortened, and the industrialization requirements are met. The steel structure factory has reliable production quality, accurate dimensions, convenient installation and easy coordination with related parts.

(3)The recycling and recycling of steel is a guarantee of resource recycling. It has less environmental pollution during construction and removal, and is more energy-efficient and environmentally friendly than masonry and concrete. Construction waste is almost zero, which is the only choice for the development of green buildings. . The construction adopts dry construction, there is no wet operation on site, and pollution problems such as dust will not occur. The structural member has a small cross-section and a thin wall, so the usable area is relatively large.

Easy Assembled Villa

(4) Easy assembled villa is integrated, integrating good functions and effects of energy saving, sound insulation, fire prevention and facade. It selects the outer protective structure with good thermal insulation performance, and uses high-performance insulating glass and shading system, which can effectively reduce building energy consumption. Insulating glass with built-in shutters is selected. Insulating glass has better sound absorption and sound insulation, which can reduce external noise and create a quiet indoor environment. The venetian blind in the middle of the glass has good dimming and shading effects. Their combination is one of the measures to achieve energy efficiency in prefabricated buildings.

(5) Industrialization of the production of prefabricated villas. External wall panels are produced by molds in the production plant, which can realize the production of industrialized assembly lines.

(6) Prefabricated villa construction and assembly, because the building components have been prefabricated, so in the construction of the building, the construction speed is fast, the labor intensity of the workers is reduced, and the construction operations are more convenient and orderly; site waste, wastewater, noise A corresponding reduction, while reducing construction costs.

Door and window system of prefabricated villa:

The prefabricated prefabricated villa doors and windows should have various functions of the traditional transparent envelope structure, such as lighting and ventilation. Therefore, various properties are required, such as wind pressure resistance, air tightness, water tightness, heat insulation, shading, and insulation. Acoustic etc. Therefore, like traditional doors and windows, prefabricated villa doors and windows should integrate these functions. The doors and windows are integrated on the wall as a component, and they also need to produce energy-saving effects when they function, and even integrate the latest smart shading technology and door and window systems.

Prefabricated villa doors and windows require product standardization, manufacturing industrialization, construction assembly, functional integration and product informationization. It is foreseeable that in the vigorous development of prefabricated construction, the construction of doors and windows will usher in a new round of reshuffle. Those enterprises with strong R & D strength, rapid response and excellent production technology will achieve great development. Villa doors and windows should have various functions of traditional transparent envelope structure, such as lighting, ventilation, etc., so various properties are required, such as wind pressure resistance, air tightness, water tightness, heat insulation, shading, and sound insulation. Wait. Therefore, like traditional doors and windows, prefabricated villa doors and windows should integrate these functions. The doors and windows are integrated on the wall as a component, and they also need to produce energy-saving effects when they function, and even integrate the latest smart shading technology and door and window systems.

Prefabricated villa doors and windows require product standardization, manufacturing industrialization, construction assembly, functional integration and product informationization. It is foreseeable that in the vigorous development of prefabricated construction, the construction of doors and windows will usher in a new round of reshuffle. Those enterprises with strong R & D strength, rapid response and excellent production technology will achieve great development.

Facing natural disasters, choose prefabricated houses and small houses

China's disaster-resistant housing market and the post-disaster reconstruction market are currently more and more important markets for domestic housing companies. Aiming at such a market, at present, there does not appear to be a housing product specially designed according to demand in China. Many of the houses constructed are copied from the existing housing system. And foreign countries have made special house designs and thoughts on disasters such as fire, flood and wind. I believe that no matter which custom prefab house company makes the layout in these markets first, it will greet a rich harvest in the future.

Now that natural disasters are becoming more common—from forest fires to floods and hurricanes—we can’t help but think about how prefabricated and small homes can play a role in reconstruction.

In the critical period after a natural disaster, whether it is a prefabricated or small house, it is possible to play a huge role in providing the necessary support and temporary or even permanent housing. This is due to a number of factors: their small size, short construction time, building structures that can withstand road transport and crane installation requirements (and thus also resist future natural disasters), and they are often designed and manufactured locally.

Prefab House

Although government-issued mobile homes and trailers are often used in local communities after floods, hurricanes, or wildfires, they often lack the long-term durability and aesthetics of long-term homes and are therefore used exclusively as temporary housing. Although the ideal situation for many people is to return to their original homes after completing the required repairs and inspections, this is not always possible. In these cases, new housing is a viable solution, but time and resources may be scarce and need to be completed immediately.

Prefabricated houses provide a viable alternative to temporary housing for a number of reasons.

Thanks to the prefab houses, which can be prefabricated in the factory, they can be quickly constructed, which means that they can build a house in weeks instead of months (this requires a traditional home) . This shortened period of time may have an inestimable impact on residents, from missing days to school or work to being aware of the psychological expectations of safety and shelter. Moreover, standardized home modular components are more cost-effective than custom new buildings.

Generally, prefabricated houses have many different characteristics that make them resilient to disasters.

They are symmetrical in structure (so that loads such as wind and precipitation are evenly distributed), made of durable materials, lightweight (especially roofs), able to withstand strong winds and earth vibrations, and flexible (to a certain extent), It will not collapse and soil assessments will be performed. Site selection is usually on soil with a solid foundation.

Of course, depending on the possible local disaster, the characteristics of some prefabricated houses need to be emphasized or added.

For example, in prefabricated houses designed for areas prone to wildfires, the materials should also be flame retardant and waterproof, so structures and external elements (such as columns and beams) should be constructed of steel and / or concrete instead of wood. In areas prone to earthquakes, single-story low cost prefabricated house is the safest option and structural connections need to be strengthened.

In the face of future disasters, another major advantage of small houses is the ability to easily move during evacuation or to demolish and relocate if necessary.

In areas that are particularly prone to floods or frequent evacuation, the ability to safely leave the area and maintain your own home is essential.

In the end, small houses and modular prefabricated houses provide safe, disaster-conscious housing space for new homes. Small and prefabricated homes are more cost effective and energy efficient than repairing existing homes or buying new homes. Flexible small and prefabricated houses are designed with three major risks in mind: wind, flood, and fire, and we may start to see more risk considerations in the future.

Why Are Prefabricated Houses Developing So Slowly?

Design magazines like prefabricated buildings, as do movie stars and environmental activists.New technologies, including the use of robots in factories, have made prefabricated buildings easier to produce in factories.

So why do proponents of prefabricated homes still talk about their slow progress?

Author Sheri Koones says: "architects, environmentalists and some forward-thinking builders have embraced prefabricated buildings -- products ranging from affordable homes to stylish small houses and ultra-modern renovated mansions -- and every family should opt for prefabricated homes in the future."

Although prefabricated homes have been around for decades, prefabricated or modular homes accounted for just 2 percent of new single-family homes built in the United States in 2016, according to the census bureau.

Prefabricated buildings gained momentum in the 1970s when builders and architects realized that they could save construction time and labor costs by moving most of the construction process to factories. Initially, the shape of the modular home was basically square, but over time, architects, builders and factory owners have refined their approach, and buildings of almost any shape can now be assembled in a factory first, Koons said.

Although light steel prefabricated villa costs less than traditional building houses, but financial savings is not always the people the most compelling reason to choose this construction method."Prefabricated houses usually take 50 percent of the construction time of conventional houses."Building houses in factories can be weatherproof and make delivery dates more predictable.Changing orders is usually not allowed, which also speeds up construction.

Shorter field hours can save labor costs.Prefabricated buildings can save up to 15 to 20 percent of the cost of traditional custom construction."Cool" has also boosted interest in prefabricated homes.

A major turning point for prefab homes came in 2002-03, when Dwell magazine held an architect competition to design a $200,000 prefab home, says Ryan e. Smith, director of collaborative integration technology for architecture at the university of salt lake, Utah.

"Some of the noise around prefabricated buildings continues," says Tanney. "architects need to be guided to create renderings of prefabricated buildings and occasionally build a house. Resolution of the 15 to 20 homes built each year, more than half is prefabricated villa. But the truth is that most prefabricated homes are mediocre, and most modular factories are building traditional types to attract more buyers. And the reason modern prefabricated buildings are exciting is simply because they're more fun."

Prefabricated Villa

Easy assembled villa was more common in other countries, especially in Sweden, Japan and Germany.The difference is that they tend to be production-based, so even though they are high-end, all homes look similar. The prefab preference in North America is more custom prefab architecture that has not changed architecture, although it has attracted more interest from outside the architecture community and the quality of architecture has improved over the past 15 years.

Today, modular parts can even be produced by robots in some factories, which solves the current shortage of construction labor. Components can be assembled on site in weeks, not months.

The process of designing and building a prefabricated house requires similar steps to a traditionally built house: finding a lot, designing the house, and obtaining a permit. The difference is that the builder needs to sign a contract with the factory to build the house and transport it to the site, and then the construction workers will provide post work and landscaping. Custom home buyers can work with design and construction companies, hire their own architects, or work with in-house architects of modular house factories.

Like every construction method, prefabricated parts have their troubles. He believes that the prefabricated houses in the factory have excellent building quality and thermal insulation.

National transportation rules also affect the design of prefabricated houses.

Some people say that living in a modular house is no different from living in a traditional house. He has lived in the modular house he built for 19 years. The house takes only four months to complete the occupancy plan, while a traditional house usually takes 6 to 10 months.

Many people are interested in prefabricated houses. Every day a prefabricated house project or prototype is being developed, and investors are excited about prefabricated buildings. But the construction industry has always been difficult to accept. But the construction industry has been slow to accept it. One reason is that, like many industries, because new things are always controversial. People have a greater tendency to do what has already been done.

Whether it's to save time, reduce construction waste, implement a cool design, or externally say your home is made of robots, a prefabricated house will not lack its supporters. But even they acknowledge that it may take years for prefabricated houses to become the most popular way to build a home.