First, do not try to choose a small cheap "street guerrillas", otherwise the quality is not guaranteed, it is also possible that "the money goes to the sky."
Second, choose a good reputation, strength of the decoration company, although the price is relatively high, but a penny a cargo.
Third, before the signing of the contract to clarify the required materials, construction procedures and decoration projects, duration, etc., be aware of.
4. In the contract, specify relevant matters such as increase and decrease of items and liability for breach of contract and penalties for breach of contract to ensure that both parties are fair and impartial in their rights and interests. Once there is a dispute, there is a legal basis.
5. Check the names, materials, quantities, practices, unit prices, and total prices of the items listed in the quotation provided by the decoration company. It is best to ask the person in the industry to check it out.
Sixth, the standard for over half of the project is: the end of wood production, the smoothing of the wall surface, the ceiling of the kitchen and bathroom wall tiles, and the completion of the hydropower reform.
7. Specify the detailed construction practices and materials brands on the construction drawings. As an attachment to the contract, the more detailed the better, to facilitate the progress of the project.
8. Specify the detailed payment method. It is best not to make a one-time payment. Sub-materials shall be accepted for acceptance in the field, qualified for the mid-term acceptance, have the conditions for preliminary inspection, and be paid for at the completion of the final acceptance and the clearing of the field. To prevent the decoration company from withdrawing halfway, the owner will not suffer financial losses when he is asked to walk unqualified companies at any time.
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Sandwich Panel
What are the methods for judging the pros and cons of sandwich panel?
The material of the sandwich panel directly affects the later use. Sandwich panels are the main building materials for Prefabricated House and Steel Structure Warehouse. If you want to choose high-quality panels, you must have an understanding of their basic quality. There are many types of boards on the market, and their core materials, steel plates, adhesives, etc. are different, and the quality will also be affected. So how to judge its pros and cons?
check edge
Because the sandwich panel has several layers, it is difficult to judge its internal quality from the surface. Therefore, it is still necessary to observe its exposed edges first, and it is necessary to pay attention to whether its cross-section is clean and ensure that it is tight. If there are problems such as graying and impurities, then there must be problems in quality, so it is still necessary to do a good job of cross-sectional inspection.
Tap to hear the sound
If it is a relatively good board, you can simply tap it with your fingers. If the sound is a crisp metallic sound, then it is a relatively good board. The fire rating of the Rock Wool Sandwich Panel is Class A, and the fire rating of the polyurethane sandwich panel and Eps Sandwich Panel is B1.
Note the thickness
The thickness of the sandwich panel directly affects the long-term use in the later period. It is necessary to observe the substrate, peritoneum, etc., especially the thickness and quality of the coating, which we cannot ignore. It is necessary to choose a plate with a relatively thick coating and guaranteed quality. Generally, the thickness of the substrate should be about 0.4-0.8MM. If you see the real thing, you should also measure it. The thickness of the finished product is 50mm, 75mm, 100mm, 150mm. The bulk density of the core material is also an important link that affects the quality.
certificate
In fact, as long as it can cooperate with regular manufacturers, the plates sold by the manufacturers need to go through various inspections, and the quality must meet the regulations. Therefore, when purchasing, you can directly check whether it has a certificate of conformity. If you choose a plate from a regular manufacturer, you can not only enjoy a preferential price for direct sales from the manufacturer, but also enjoy good after-sales service.
Now there are many manufacturers supplying plates, and the market quotations and quality of each manufacturer are also different, so it is still necessary to do a good job of quality comparison and price measurement. It is suggested that when purchasing sandwich panels, one must pay attention to its specific quality, and compare the quality of the actual products in order to select high-quality panels.
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Henan Jinming Metal Material Co., Ltd. , https://www.jinminghouse.com