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1 - What is the difference between dry method and wet method?
 
2 - What is a Porcelain tile?
 
3 - What is Polished and rectified?
 
4 - What is porcelain paste?
 
5 - What are rectified products?
 
6 - What is Abrasion Resistance (PEI rating)?
 
7 - What is the importance of PEI?
 
8 - Do Porcelain tiles have PEI?
 
9 - What is Deep Abrasion?
 
10 - What do PEI and MOHS stand for?
 
11 - What is Scratch resistance?
 
12 - What ceramic tiles are Scratch resistant?
 
13 - What is absorption? How are ceramic tiles classified in relation to absorption? ***TABLE***
It is the empty space occupied by water in the body of a ceramic tile, as shown in the following table:

Water Absorption

Commercial Name

Classification Standard

< que 0,1 % - Technical Porcelain tiles

< que 0,5 % - Enameled Porcelain tiles

Porcelain tiles

BIa

0,5 a 3,0 %

Gres

BIb

3,0 a 6,0 %

Semi – Gres

BIIa

6,0 a 10 %

Semi – Porous

BIIb

10 a 20 %

Porous

BIII
 
14 - How to identify, or to know if a ceramic tile is slip resistant?
 
15 - What resistance does a ceramic tile have to contact with chemical products?
 
16 - What is Tonality?
 
17 - What is Shade variation?
 
18 - What is rotocolor decoration?
 
19 - What is serigraphy or silk screen decoration?
 
20 - How can Technical Porcelain tiles be decorated?
 
21 - How can ceramic tiles be classified, regarding tonality?
 
22 - How can ceramic tiles be classified, regarding size?
 
23 - How is tonality and size Classification important?
 
24 - What is cracking?
 
25 - What are anti-graffiti products?
 
26 - What type of product can I use for wheelchair ramps?
 
27 - What products can be used in swimming pools?
 
28 - What CEUSA products can be used for covering outside areas such as: barbecues, fireplaces and wood ovens?
 
29 - What product is recommended for open garages, gardens, paths and ramps?
 
30 - What is the advantage of spreading the tiles out in the area to be covered before beginning the laying process?
 
31 - Why is it important to level the laying base? What are the consequences of laying ceramic tiles on an uneven base?
 
32 - What is the dry joint system?
 
33 - What types of adhesive mortars are there on the market?
 
34 - Are there any restrictions for laying rectified ceramic slabs with Dry Joints?
 
35 - What rectified material can be laid with Dry Joints?
 
36 - What type of mortar is used for laying CEUSA rectified ceramic tiles, with Dry Joints?
 
37 - When laying with Dry Joints is it necessary to use grout between the ceramic tiles?
 
38 - When is it necessary to wet the ceramic tiles before laying?
 
39 - When is it necessary to lay with double adhesion?
 
40 - How can a perfect cut be performed on rectified and porcelain tiles ceramic slabs?
 
41 - What are laying joints?
 
42 - What are dilation and movement joints?
 
43 - Can joints smaller than those specified on the packaging for non rectified products be used?
 
44 - I have an area with wall and floor tiles which I want to change. Do I have to remove the old tiles or can I put new ones on top of the old ones?
 
45 - Can surfaces covered with paint or waterproofing such as on cement slabs be covered in ceramic tiles?
 
46 - How can the excess mortar, grout and other dirt be removed from the surface of the ceramic tile during laying?
 
47 - Before leaving the factory, the Polished, Rectified and Porcelain tiles receive a special wax layer to protect their sheen from damage during transporting, handling and laying. How can they be cleaned?
 
48 - How can chipping be avoided on the surface of a ceramic tile?
 
49 - Are there specific waxes for ceramic floors?
 
50 - Does the non shiny Legno line require wax maintenance?
 
51 - In addition to wax, what is used in the factory, between the polished paving pieces, porcelain tiles and wall tiles to protect the pieces?
 
52 - If the surfaces of ceramic floor tiles, wall tiles and polished paving pieces show paraffin marks, how can these be removed?
 
53 - Is there any special care in the laying and daily care of decorative strips decorated in gold, platinum and luster?
 
54 - What tests can be performed to check for defects in the ceramic materials, according to the NBR 13818 standard?
 
55 - The ceramic products present tolerance regarding geometric characteristics. Where does the standard specify these tolerances?
 
56 - What laying mortar should I use?
 
57 - What are the main causes of ceramic tiles becoming unstuck?
 
58 - What is efflorescence and how can it be avoided?
 
59 - What is the correct way to store the boxes containing the ceramic tiles?
 
60 - How can the useful life of your ceramic tile be increased?
 
 
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