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Environmentally Friendly Choice, Green, High Performance, Energy-Efficient Prefab Homes, Material Management, Air Qualiy


An Eco-Responsible Choice

High Performance Energy-Efficient Prefabricated Homes

We’ve come to realize that we all need to do something to protect the environment. However we often feel uncertain as to how to go about it. In fact, when comes the time to choose eco-friendly products, it is not always as easy a process as it seems. 

The purchase of a home may be particularly daunting as it involves comparing different building materials and systems, each with their own advantages and inconveniences. To help you make a clear and comfortable  decision, we would like to present a few of the eco-friendly components featured in our homes. We use the same set of criteria as the ones applied by North American ecological ‘green’ building programs.  

When you choose a Laprise® home, you are helping to preserve the environment as well as providing you and your family with a comfortable and healthy living environment. We implement a variety of techniques and methods that allows us to minimize the use of resources (i.e. materials, energy and water), limit pollution and greenhouse gas emissions as well as reduce sources of indoor air pollution.


We manage our building materials effectively and recycle leftovers

Our factory controlled environment allows us to use or recycle 98% of the materials necessary to build your home which keeps several tons of waste from ending up in landfills each and every year. 


We select materials that have a low environmental impact
Did you know that plywood is less harmful to the environment than oriented strand board (commonly referred to as OSB)? Through the use of BEES (Building for Environmental and Economic Sustainability), a sophisticated software developed by the National Institute of Standards and Technology, Laprise® compared plywood and OSB and their impact on 12 environmental problems throughout each product’s complete life cycle; beginning with raw materials and considering the impact of manufacturing, transportation, installation, maintenance  and disposal. The BEES software allowed us to determine that plywood is 3 times less harmful to the environment than OSB.


We use high quality, long-lasting materials

Quality FSC dry wood combined with our proven construction techniques, our quality PVC windows, aluminum exterior trimmings and 25-year warranty asphalt shingles will save you maintenance costs, provide long-lasting benefits and spare valuable resources.  


We use engineered wood products

The beams, columns and lintels we use are made from wood chips or laminated wood glued together with synthetic resins. These products represent a conscientious use of resources as they are often made from smaller trees that cannot be used to produce timber. The manufacturing process also helps eliminate the wood’s natural defects and produces superior quality products.


We use low-emission materials and provide a highly efficient air exchange system to ensure indoor air quality

The expanded polystyrene insulation used in the manufacturing of our wall panel system does not emit harmful vapours and is impervious to mould formation. Additionally, the engineered wood products we select are made from stable resins that help provide a pollution-free indoor environment. Moreover, we install heat recovery ventilators (HRV) that constantly replenish the air inside the home by providing a fresh flow of air from the outside. 


We build high performance energy efficient homes

By subscribing to the Novoclimat program, a Laprise® home can  help you save as much as 25% in energy costs which in turn reduces greenhouse gas emissions and pollution related to producing this energy.


We use ENERGY STAR® certified doors and windows

Doors and windows are the main sources of heat loss in most buildings. Laprise® has its own door and window manufacturing facility giving us much greater control over the quality of our products. Our double-glazed, Low-E argon, low-maintenance PVC windows provide great thermal comfort and energy savings.


We encourage the use of low-flow water fixtures

In Canada, each and every person consumes an average of 300 litres of water per day. A normal 10-minute shower with a standard shower head uses nearly 170 litres of water, while a low-flow shower head uses only 95 litres of water. As water heating represents 20 to 30% of a home energy consumption, efficient appliances will allow you to save money, reduce water demand and diminish the production of polluted waste water.


Laprise® values innovation and progress and is committed to studying and developing eco-friendly solutions that will help build a greener future.



References et complementary informations

Statements made by Laprise® are based on the study of eco-friendly measures supported by many North American green building programs. Only the most influential programs were studied as they are considered to be highly representative of the current trends in ‘green’ construction. Among others, we have studied the following programs: Built Green, EnviroHome, LEED for Homes and NAHB Model Green Home Building Guidelines.  


Engineered wood products

Not only are engineered wood products made from smaller trees, they are often made from waste resulting from manufacturing of other wood products. In fact, this type of product helps control clear-cutting of old-growth forests and maximizes the use of available resources. Moreover, engineered wood structural products used by Laprise® are free of urea formaldehyde (UF) and comprised of MDI and phenolic resins. These resins are chemically stable and safe for residential living. 



Web site of the Canadian Wood Council:

- Wood: Sustainable Building Solutions, 2005, APA- The Engineered Wood Association



Expanded polystyrene insulation (EPS)

Expanded polystyrene insulation (EPS) has been used to insulate buildings for more than fifty years. It is also widely used in food packaging products. It is an ozone-friendly and recyclable product that is safe for the environment. 


The EPS used by Laprise® has a high insulation rating that helps reduce home energy consumption and consequently, helps reduce its impact on the environment. Furthermore, EPS effectively uses resources, as it primarily comprise air (98%) and very little plastic (2%). It is also 100% recyclable and its production process produces very little waste. In fact, most stuffed toys are filled with recycled EPS filling and the potting soil used to grow flowers and household plants contains recycled EPS. Moreover, EPS is not affected by humidity, moisture or mould and bacteria, which makes it a healthy and long-lasting product. It is an inert and stable material, which means that should EPS end up in a landfill at the end of its life cycle, it will not impact surrounding plant and animal life nor will it pollute air and water. 

Unfortunately, expanded polystyrene is often confused with extruded polystyrene, which often contains CFC or HCFC that have been proven to damage the ozone layer. The difference is enormous as expanded polystyrene contains absolutely no CFC or HCFC.




• Rigid Thermoplastic Foams.  National Research Council Canada., document # CBD-167, 1976, A. Blaga.

• Polystyrene Packaging Council.

• Alliance of Foam Packaging Recyclers.

• Isolofoam, manufacturer of polystyrene products.

• Polyform, manufacturer of polystyrene productS.



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