They must come from renewable sources, like major forest plantations, and the processing and manufacturing involved in preparing them to be used for construction must be efficient and non-toxic.
They should as well be created that will last for a long time, minimizing the necessity to repair or replace.The construction materials that you need would first be based on the design that you have.
The problem in just simply buying materials without putting the design in mind is that unnecessary purchases can be made which will just put your spare construction essentials to waste.
To avoid unnecessary expenses on the materials which you can't use, it would be best to know what you need and what you don't need based on the design plan for the house.
As another example, if your design plan gives you a house that is oriental in nature, then you might want to invest on wood that you find appealing for your house.
System FormworkFormwork is a complex technique involved in construction which requires specialist contractors for proper use.