It is often said that plywood formwork for concrete is laminated plywood produced from plywood. Actually, that&#;s not accurate. Laminate plywood is just one of many building plywood. With the development of modern construction methods, cast-in-place concrete structure has been widely used in engineering construction. Accordingly, the quality and design level of building formwork system are also improving and developing rapidly. The types of building formwork are also increasing.
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Plywood formwork includes steel formwork, bamboo formwork and even plastic formwork. Wood formwork includes not only laminated plywood, but also regular plywood formwork without laminated paper, and triple laminates (also formwork). &#;Triple plywood&#; here does not mean &#;triple plywood&#;. The thickness of &#;three-layer plywood&#; is generally 2.7~3.6mm and the thickness of &#;three-layer plywood formwork&#; can be up to 18mm. It is much less likely to use a three-ply formwork than plywood formwork. Bamboo and wood stencils are currently used in most projects, with plywood stencils used more than 50% of the time. Bamboo plywood is a special high-grade formwork. If the project scale is large, good quality requirements are very high, bamboo plywood is also a good choice. But bamboo chips are more expensive, because they are stronger and more reusable. However, the most widely used formwork is the plywood formwork. Piles of plywood formwork are often seen next to projects under construction in the city. Many small and medium sized projects now use plywood formwork without film paper. For quality critical items, use clear water formwork &#; black or brown film plywood.
Advantages of film plywood
Large format: film faced plywood sizes ×mm , 915 * mm, reduce the number of joints, improve the working efficiency of the mold. No warping, no deformation, no cracking, good water resistance, high turnover. Demoulding is easy, only 1/7 of a steel mold.
Light weight: easier to use in high-rise buildings and bridge construction.
Times of use: it can be reused for more than 12 times under proper storage.
Concrete pouring: the pouring surface is smooth and beautiful, minus the second plastering process of the wall, the decoration cycle of the direct veneer can be reduced by 30%.
Corrosion resistance: does not contaminate the concrete surface.
Good thermal insulation: conducive to winter construction, can be used to transform the plywood formwork.
Good construction performance: nails, saws, drills and other performance are better than bamboo plywood, small steel plate, can be divided into various shapes according to the construction needs.
What is the meaning of the use of the film faced plywood?
First of all, the use of plywood for formwork can speed up construction progress, improve production quality, reduce engineering costs and implement civilized construction, which is very important. In terms of construction technology, many difficult projects will be concentrated on the concrete structure, but in the process of concrete use, the main technology is concentrated on the formwork project.
The use of film plywood can solves this problem. The use of such film faced plywood can complete various decorative concrete surfaces and fair-faced concrete surfaces, which not only reduces the material and labor costs of wet work on the concrete surface, but also increases the grades in structural engineering.
We must be careful when purchasing film plywood, otherwise we will cause the entire work to fail due to temporary negligence.
Therefore, when purchasing, we should look at the color of the surface of the product. For a good-quality film plywood, the color tone on the surface is very clear, and the depth of the color is the same.
When consumers buy plywood for formwork, they often encounter a big confusion about how to identify the dryness of wood. Here are a few tricks for you to quickly see if the wood is dry without professional tools:
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Film faced plywood is also called formwork plywood, shuttering plywoods, concrete form.
Film faced plywood is the special plywood with two sides coated with wearable and water proof film. The film is adhesive impregnated paper, which are different from melamine paper overlay, PVC, MDO (MDO plywood) and HDO (HDO plywood). The function of the film is to protect the inside wood from moisture, water, weather and extend the plywood&#;s service life. Film faced plywood can be used in harsh and outside environment: shuttering plywood, formwork plywood, concrete formwork, floorboard, vehicle building.
The most common film is brown film or black film . In China, the brown film faced plywood usually has better quality than black film faced plywood. However, it&#;s not true all the time. Some black film faced plywood has the same high quality as brown film faced plywood. When you making an inquiry, an experienced salesman will know what the real quality you need.
In China, there are 2 classifications of film: Local film and imported film . Local film means films made by Chinese companies. Imported film means film made by foreign companies, like Dynea . Dynea film is the best film brand in China. So if you require the best film for your plywood, we will use Dynea film.
If you want to learn more, please visit our website green mdf board.
70% of film faced plywood we are selling is poplar film faced plywood , which is high quality and price is competitive. If you need hardwood film faced plywood, we will use hardwood or eucalyptus veneers. If you want film faced plywood for building bridges or high buildings, you can choose hardwood film faced plywood, as its name says, it&#;s very hard. We also supply birch film faced plywood ,which are hard and durable, too.
We use these 3 types of glue. As for the knowledge of the glue, you can refer to the following articles:
What&#;s MR glue-which is commonly used for plywood / film faced plywood / blockboard
What is WBP glue &#; which is commonly used for WBP plywood / film faced plywood
We produce sizes according to customers&#; requirement. The widest size can be mm, max length is mm .
We supply very thin film faced plywood as 4mm and thickest plywood up to 50mm. This is our advantage.
Our packing is standard seaworthy packing .
Film faced plywood is mainly used for construction . So film faced plywood is also called shuttering film faced plywood, concrete form, shuttering concrete form . Because of this end use, customers usually want WBP film faced plywood , which is more suitable to be used as shuttering for big projects . However, some customers require MR film faced plywood , which are to be used as shuttering for ordinary projects .
According to the types of face/back, film faced plywood can be divided into smooth film faced plywood and anti-slip film faced plywood. Anti-slip film faced plywood are usually used as flooring materials for vehicles, trucks and platforms .
Compared with wood veneer faced plywood, film faced plywood is more durable and has more wear-resistant surfaces . So it can be used for making durable furniture and shelves.