What is a bituminous primer?
Repair is waiting for each of us. Some of them took a long time to this step, and others will face this problem unexpectedly. Whatever it was, but to know what a bituminous primer is, why it is needed, and how to use it, should every owner. The very same primer is a so-called liquid solution of the substance, which is called petroleum bitumen. It is fairly resistant to temperatures and other influences.
Like everything created by man, a bitumen primer for screed has its positive and negative sides. Many believe that the time of materials based on bitumen has passed, but this is far from the case.
Studies show that bitumen accounts for a huge part of the construction market. On its basis make all kinds of waterproofing materials, heaters and a large number of other materials.
To plus bitumen can be attributed quite low price, ease of installation, it can be given various states, it is sold both as a liquid( primer), and rolls( ruberoid).Also, it can be installed on its own without the involvement of professionals who take decent money for this kind of work. This, so to speak, additional savings of your means. To
minus bitumen is low melting point and fire hazard, because bitumen is made from oil waste, and the latter, as is known, burns just fine.Primer for screed - preparatory work
Having decided to use bitumen, you should conduct a number of preparatory works. They are not complicated, but they require a little free time. The fact is that the primer for the screed is best placed on a clean and even surface.
To do this, take the ax and cut off all the protrusions, if this tree, otherwise the tool will be different. We try to make the surface even. After cutting all the protruding parts with a broom, remove all the dust and other debris away to the side and, of course, remove it. Now you can safely say that the surface under the primer is ready.
Bituminous primer - let's get to work
The very process of priming a screed is very simple. If you bought undiluted bitumen, then we bred it with special oils in strict accordance with the instructions. If you have purchased the most common, already diluted bitumen, then it will go many times faster. The main thing is to carefully open the container, be sure to wear long-sleeved clothes, and also get a medium-sized roller.
Now begin to apply bitumen on the screed. This is done as follows: dunk the roller into the container and start painting our surface. If this is a wall, then the movements are made from the top down, and if this, say, the cellar floor, then put the primer is from the far corner, gradually moving to the exit. Do not be afraid to leave random drops. They will not interfere with you, the main thing is to do everything carefully. Here, as in the case of paint, you need to centimeter after centimeter to lay bitumen on the surface of the screed. Take your time and you will succeed.
Do not forget that this primer is quite viscous, so do not dunk the roller into the container for a long time. It is enough to dip it for a few seconds, and it will be covered with the optimal amount of bitumen. To keep him there minutes does not make sense, he will not take more on himself anyway.
Soiled with fresh bitumen dust? No problem. Just walk through the stained layer a second time. Strictly, is prohibited from smoking during the application of bitumen .Explode, it will not explode, but can significantly harm your health. The fact is that during combustion, it releases rather poisonous substances that have the property of accumulating in the body. This is manifested only when burning, in normal condition, bitumen is absolutely safe. Here, perhaps, and all the secrets of applying a primer under the screed.