Polyurethane insulation - pros and cons

Question

I’m building a house, the roof construction stage is already approaching. In this regard, many questions constantly arise on various occasions. I heard that roof insulation can be carried out using polyurethane. Is it justified? Is this really such reliable material as it is often described? (September 22, 2013, Vadim)

Answer

In this case, it is rather difficult to give a definite answer. There are ardent supporters of warming with this material, and no less enthusiastic opponents of this method.

When making any decision, one must always weigh the pros and cons. Only then do in accordance with their desires and capabilities. Therefore, so that you only draw the right conclusions, let's look at what polyurethane is, its main advantages and disadvantages. It has long been known to everyone: whoever owns the information, owns the world.

Advantages :

  • it is one of the most effective materials in use (with the lowest thermal conductivity coefficients);
  • when working with it, no seams are formed, the surface is almost perfect;
  • the material not only has good hygroscopic properties, but also serves as an excellent means of waterproofing;
  • not subject to sudden changes in temperature;
  • manufacturers assure that polyurethane is one of the most durable materials, can last a long time (from 30 and up to 50 years).

disadvantages :

  • unpleasant odor, which after work for a long time remains in the room;
  • the whole rafter system when processing polyurethane should be perfectly dry;
  • during operation, it is necessary to use only equipment that is capable of spraying with high pressure, since low pressure plants may not fully mix all the components (if this happens, the components that have not reacted will leave an unpleasant odor );
  • and one of the most negative is the fact that this material cannot be considered completely fireproof.

And this is not a complete list of all the advantages and disadvantages. However, the final choice, of course, is yours, as in the modern market you can find a huge number of offers from different manufacturers of insulation.

Only you always need to remember: the success or failure of the entire construction will depend on how correctly the choice is made. And we will make every effort to provide you with only objective and reliable information to solve your problems!

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