Monday, August 14, 2017

By Margaret Cox


Applying sealers to your concrete surfaces can be tricky. Although you may use different rollers and other applicators, this could never produce results you are hoping for. Concrete sealer sprayers are definitely the best when it comes to applying different types of sealers on your concrete surfaces, but you still have to be very careful when choosing the right type of equipment.

There are so many sealer types today. Some are water based, while some can be solvent based. Among other things, the base determines the time needed for evaporation. Different sealers might contain various percentage of solids, as well as numerous different resins. In any case, all this might be important when you have to choose the best equipment for your work.

When it comes to sprayers, the best one is probably the one known as low-pressure, high volume, or LPHV, or airless sprayer. Besides having good quality application rates, this type is highly appreciated also for the fact it can be used for almost any type of sealers available. This includes both solvent and water based ones, with different amounts of solids and practically all types of resins.

Thanks to the fact it is highly useful, LPHV is also the most expensive one. Cheaper solution is to choose pump up sprayers, but here are some limitations that you should be aware of. In the first place, the fact is they are made for applying solvent based sealants. If you use them with different ones, you might not achieve expected results, and it could also be dangerous.

There are several types of applicators that can be useful when it comes to perfectly smooth surfaces, for example wool mops and similar applicators. The problem is that they cannot provide perfect coverage of concrete surfaces, which are generally rough and uneven. Mops cannot reach each and every part of such surfaces. That's the best reason for using spray applicators for this purpose.

High solid content sealers can be successfully applied using metal t-bar applicators. Of course, the surface should be smooth. If you want to get even better results, you can always apply a thin layer of sealer using sprayer, to achieve a perfect finish. Whatever technique you use, make sure to read the instructions first and to choose the appropriate equipment, recommended by manufacturers.

No matter what equipment you choose and which type of a sealer, it is always better to apply several thin layers instead of one thick one. This will get you much better results. Make sure to read the instructions carefully before starting the job. Little things that you forget might make a great difference, and using inappropriate equipment might also be dangerous.

Remember that sealants are aggressive substances. If something goes wrong, they will probably irritate your skin, destroy your clothes or something similar. It's important to be careful whatever you do, even if you have years of experience in this. Better be safe than sorry. Nozzles can clog, especially if you use inappropriate sealants with your equipment. Great results with minimum danger, this is always better option.




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