Foam glueis a kind of glue with foaming and bonding properties. It is mainly used for filling the side seams of building doors and windows, component expansion joints and holes. , sealing and bonding are very commonly used decoration materials in modern home decoration. The editor below will introduce to you how to choose and identify the quality of styrofoam? Styrofoam or cement for caulking? What are the advantages of foaming agents? Let’s find out together!

1. How to choose and identify the quality of styrofoam

1. Look at the color: high-quality styrofoam is milky white (snow white) after being punched out. The color is black, gray or particularly yellow which is not good (indicating that it is made from cheap and inferior quality raw materials to reduce costs);

2. Look at the thickness: When the foam glue is released, the foam should not be too thin. It should not be too thick. If the foam is too thin, it will collapse. If the foam is too thick, it will dry out and shrink easily;

3. Look at the cells: After the foam glue is cured, cut the foam and look at the cells. If the cells are uniform and dense, it is a good foam. If the cells are large, it means the density is poor, which is not good (only when the density is high, the waterproof, sound insulation, elastic hardness and other properties of the foam can be guaranteed);

4. Look at the surface of the foam: good foam has a ravine-like surface; poor foam The foam surface is flat and wrinkled;

5. Look at the foam size: good foam foams full and round; poor foam foams small and collapses;

6. Look at the adhesion: good foam has strong adhesion, poor foam has strong adhesion Poor joint strength will cause the building surface to be weakly bonded to the aluminum alloy or door casing or even unable to hang.

2. Should we use foam glue or cement to fill the gaps?

The construction time of styrofoam is short, the texture is dense and can be completely integrated into the gaps, and there will be no cracks in the wall after use. The disadvantage is that it easily softens over time and needs to be reinforced with wooden plugs before installation to support the wall, and the cost is higher.

Cement construction takes a long time, because the sealing is tighter, so small cracks will appear on the wall over time,And it is corrosive to aluminum windows, so when using cement, pay attention to protecting the window frame. The main advantage of cement is that it is stable and the cost is much less than that of styrofoam.

In general: Due to the lower temperature in the north, it is recommended to use foam rubber with good thermal insulation performance, while in the south, cement is used. Don’t be too demanding about thermal insulation. It is recommended to use foam glue for aluminum windows, which is not easy to corrode, and cement for wooden windows. After all, it is cheap. When the gap between the window frame and the wall is less than 5 cm, it is recommended to use foam glue and then waterproof glue.�

Three, What are the advantages of styrofoam?

As a building insulation material for doors, windows and curtain walls, styrofoam breaks the traditional building material function of being waterproof but not insulating, being insulated but not being waterproof, and having a waterproof layer Once leakage occurs, it is a common problem that the insulation layer loses its insulation function. Compared with other door, window and curtain wall building insulation materials, foam rubber has obvious advantages:

Foam rubber has the function of one material with multiple functions, and it also has the functions of thermal insulation, waterproofing, sound insulation, vibration absorption, etc. Many functions.

1. Stable chemical properties, long service life, and no pollution to the surrounding environment;It self-extinguishes when exposed to an open flame, and only chars without dripping when burning. The size and shape of the charring layer remain basically unchanged, which can effectively cut off the entry of air and prevent the spread of the fire. Spread, fire safety performance is good.

2. StrongPower‘s self-adhesive properties(No need for any intermediate bonding material), firmly bonded to roofs and exterior walls, with good wind resistance and negative wind pressure resistance;Overall spraying construction, completely eliminating“heat “section” and “cold bridge”, flexible gradient technology can effectively prevent the cracking of the waterproof layer;Mechanized operation, automatic batching, uniform quality, fast construction, short cycle.

3 , Excellent thermal insulation performance , is the thermal conductivity of all domestic building materials at present蕞Low(≤0.024), thermal resistance蕞High thermal insulation material, the thermal conductivity is onlyhalf of that of EPS foamed polystyrene board.

4 , foam glue Continuously dense epidermis and nearly100%‘s high-strength interconnected wall closed cells provide ideal water impermeability. The spraying method is used to construct the waterproof and thermal insulation layer continuously and seamlessly, forming a seamless roof and an integral exterior wall thermal insulation shell with excellent waterproof and impermeability performance.

As a new building material with integrated thermal insulation and waterproofing, the application of foam rubber insulation materials in the domestic construction industry is still in its initial stage. Fortunately, in order to speed up the innovation of building insulation materials and promote the promotion and application of foam rubber in the field of building energy saving, the Ministry of Construction has specially established the “Polyurethane Building Energy Saving Application Promotion Working Group” , to promote the application of foam rubber insulation and waterproof materials in the domestic building energy-saving industry.

Foam glue can fill the gaps in doors and windows very well, and quickly expand the styrofoam glue 70-80 times. It is best to sprinkle some water on the surface of the windowsill before using the foam glue or sprinkle some water on the surface after applying the foam glue蕞Okay, it will dry faster this way.

Foam rubber is a special sealing, thermal insulation and waterproof material with complex composition. AttentionDon’t touch it on clothes, otherwise it will be difficult to clean. When decorating the entrance, install security doors, seal the balcony or When installing plastic steel doors and windows, foam products will be used in broken bridge aluminum doors and windows.

Title of this article: How to choose and identify the quality of styrofoam? Styrofoam or cement for caulking?

Link to this article: http://www.wellgo.com.cn/newb/information_2411.shtml

�Working Group” to promote the application of foam rubber insulation and waterproof materials in the domestic building energy-saving industry.

Foam glue can fill the gaps in doors and windows very well, quickly making hair Foam rubber expands70-80 times. It is best to sprinkle some water on the surface of the windowsill before use or sprinkle some water on the surface after applying the foam glue 蕞Okay, it will work faster this way.

Foam rubber is a special sealing, thermal insulation and waterproof material, and its composition is also very complex. AttentionDon’t touch it on clothes, otherwise it will be difficult to clean. When decorating the entrance, install security doors, seal the balcony or install plastic steel doors and windows. , foam products will be used in broken bridge aluminum doors and windows.

Title of this article: How to choose and identify the quality of styrofoam? Styrofoam or cement for caulking?

Link to this article: http://www.wellgo.com.cn/newb/information_2411.shtml