Coatings for Floors and Walls (1)

Among the suggestions I asked for during our last promotion (I would like to thank everyone who gave very good ideas), some of them asked me to talk about coatings. So, I’ll do a series of posts on this subject, each one talking about characteristics, uses, advantages, disadvantages, in short, important data on the coatings in general. This one is a “general” type. The others will be more specific.

In functional terms, each environment needs coatings of different characteristics, since they will be exposed to different agents. In decorative terms, its color and texture influence the atmosphere that is desired and can not be forgotten in the composition of the colors of the environment.

Areas And Needs:

1) Kitchens, bathrooms, laundries-Calls Wet areas require coatings that resist water and grease and are easy to clean, hard (resistant to constant friction) and impermeable.Also they can not be slippery when wet, to avoid accidents.

2) External Areas – Coatings for these areas must withstand rain and sun , can not be slippery (near swimming pools and under rain) and preferably installed to allow rainwater to drain from the ground, avoiding (It is ecological to use drainage materials.) One of the great villains of the floods is the fact that there are coatings in the houses and streets that do not allow the passage of water to the earth. Currently, there are on the market coatings that, due to their composition and/or form of manufacture, allow the drainage of water.

3) Social and intimate areas-For rooms and bedrooms there is an immense range of materials. The always important items are the work for the maintenance and the resistance of the material. The choice in these areas has much to do with the desire of the “climate” of the environment: If you want cosiness, I can use the fabrics, like silk and linen; A more modern tone is given by the cement plates and a classic air by the printed papers;For rustic environments, demolition brick is a possibility and so on. What also requires attention is noise-the higher the level of acoustic absorption of the material, the less the sounds will be heard in other environments.

For any environment and any coating, a point of great attention is the grout and the mortar used in some materials. They should be chosen according to the material and the environment and applied by qualified professional. Have a lot of attention to this item and will avoid numerous problems later.

Another point to consider is the ease of installation: Some materials (wood, for example) ask for more work and others (wood carpets, laminates, etc.) can be installed on the old flooring.

Features You Need To Know:

Coefficient of friction-Measures resistance to slipping. The larger it is, the more rough the coating is, the less slippery it is. In internal locations that have contact with water, the Brazilian standard recommends a coefficient of friction equal to or greater than 0.4. In external wet areas with ramp, the coefficient of friction should be higher than 0.8.

Water absorption-The lower the number, the lower the porosity, the lower the absorption;Water absorption is directly related to Stain resistance (cleanability) that determines the ease of cleaning of the ceramic: The less porous, but easy to clean. There are five classes of cleanability:

Class 1 – Impossibility of Stain Removal

Class 2 – Removable with special product (dilute hydrochloric acid)

Class 3 – Removable with strong ammonia-based product

Class 4 – Removable with weak product (conventional detergents)

Class 5 – Ease of removal (water and neutral detergent)

Resistance to loads (mechanical resistance to impact)-Very important, especially if you are doing the flooring of your garage! He has to put up with the weight of the car, right?

Enamel Abrasion Resistance (PEI)-Resistance to surface wear of the material due to traffic and contact with objects. It varies from 0 (for walls only via to 5 (even for industrial areas).

Resistance to scratches-all floors scratch, but shiny floors have low scratch resistance, so scratch more easily than rustic, sturdier floors in this respect.

Ceramic And Grout For Each Environment

Room: As it is subject to dust and sand residues, use ceramics with at least PEI 3, class 5 cleanability, and good quality industrialized grout.
Room: Use at least PEI 3, cleanability 5 and industrialized grout of good quality, additives and/or waterproofing.
Kitchen: Use at least PEI 3, cleanability 5 and waterproof grout (base and epoxy) or cement based, additive and/or waterproofing.

Bathroom: Laying and grouting should prevent the proliferation of fungi and bacteria. Use at least PEI 3, cleanability 5 and waterproof (epoxy-based) or based grout, additive and/or waterproofing.
Yard, garages and corridors: Use at least PEI 4, cleanability 5 and grout the cement base, additive and/or waterproofing.
Commercial areas: Shops, snack bars, banks, restaurants, schools, hospitals, hotels and offices, use at least PEI 4. In areas with high traffic (shopping malls, bus stations, airports, Extreme hygiene (hospitals), use waterproof (epoxy-based) grout. In other areas, use good quality, additives and / or waterproofed grouts.

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