Roof casing pipe surface treatment

Roof casing surface treatment is an important part of ensuring the anti-corrosion effect. Before surface treatment, the surface of the pipe must be cleaned first to avoid the influence of oil, debris, etc. on the surface on the subsequent coating construction. After the surface is cleaned, rust removal should be carried out to remove rust and rust scale to ensure surface finish and improve the adhesion of the coating.

Selection of anti-corrosion coating

Choosing a suitable anti-corrosion coating is also the key to ensuring the anti-corrosion of roof casing. Generally speaking, the selection of anti-corrosion coatings should be based on factors such as environmental climate, medium characteristics, surface treatment conditions, coating thickness, etc., and coatings with better anti-corrosion performance should be selected.

Common types of anti-corrosion coatings include epoxy resin coatings, chlorinated rubber coatings, polyurethane coatings, etc. Epoxy resin coatings have good anti-corrosion effects and are suitable for general industrial corrosion environments; chlorinated rubber coatings have better anti-corrosion performance and are suitable for corrosive media such as strong acids and alkalis; polyurethane coatings have excellent weather resistance and anti-corrosion performance and are suitable for outdoor use.

Construction method

Before construction, the surface of the pipe should be carefully checked to ensure that the surface is clean and dry, without debris, water vapor, etc. The paint should be stirred before construction to ensure uniform coating. During the coating construction, it should be applied layer by layer in accordance with the coating thickness specifications, using spraying, rolling, brushing and other methods to ensure that the thickness of each layer of coating is uniform. After the coating is applied, it should be dried to prevent the coating from bubbling, sagging, cracking and other phenomena.

Precautions

During the construction of roof casing anti-corrosion coating, the following matters need to be paid attention to:

1. During spraying, pay attention to the influence of meteorological factors such as ambient temperature, humidity, wind direction, etc., to avoid polluting the environment and affecting the quality of the coating;

2. When applying by brushing, rolling and other coating methods, pay attention to applying the coating fully, and pay attention to the consistency of the brushing direction to avoid uneven coating;

3. After the coating is applied, it should be cleaned, wiped or other subsequent treatments should be carried out in time to avoid adhesion and corrosion of the coating with other objects.

In short, although the anti-corrosion treatment method of roof casing seems simple, it actually needs to be strictly carried out in accordance with the specifications during construction to achieve a good anti-corrosion effect. I hope this introduction will be helpful to you.