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Stretcher Bar

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Art Stretcher Bar Wholesale

SINOART stretcher bars are all kiln dried pine wood with moisture +/12%. Artist normally use stretcher bar with corner brace bars and cross bar for large sizes to create square frame without warping and twisting for stretching the finished canvas. We guarantee to offer all sizes stretcher bars of straight, fully polished, consistent tongue & groove constructure.

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What Sets Us Apart

SINOART Shanghai Co., Ltd. is famous China Art Stretcher Bar Suppliers, We specialize in Wholesale Artist Stretcher Bar. OEM/ODM avaliable. Holding companies of SINOART, Jinhua GOWIN Canvas Factory and PAN'AN Greentop Easel Factory each have a production base in Zhejiang province, while SINOART acts as design, selling, customer service company in Shanghai. Professional art materials & crafts design & manufacturing since 2005.
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Industry knowledge

What is a stretcher bar, and how is it used in the art world

A stretcher bar is a wooden frame used to stretch and support a canvas or fabric that has been primed for painting. The frame is typically made of high-quality wood, such as pine, and is available in a range of sizes and depths to accommodate different canvas sizes and painting styles. When an artist wants to paint on a canvas, they will attach the canvas to the stretcher bars using staples or tacks, stretching the fabric tightly across the frame. The tension in the fabric is crucial to prevent warping or sagging, and a well-constructed stretcher bar provides the necessary support. Once the canvas is stretched and secured to the stretcher bars, the artist can begin painting. Stretcher bars are a fundamental component of painting on canvas, and they play a critical role in ensuring the longevity and stability of the artwork. They are widely used in the art world, from fine art to commercial printing, and are an essential tool for painters who want to work on canvas.

What materials are stretcher bars typically made from, and how does this affect their durability and longevity

Stretcher bars are typically made from various types of wood, with the most commonly used material being kiln-dried pine. Pine is a popular choice because it is lightweight, relatively strong, and has minimal warping potential. However, other types of wood, such as poplar, fir, and cedar, can also be used to make stretcher bars.

The durability and longevity of stretcher bars depend on the type of wood used and how well the frame is constructed. Kiln-dried pine is an excellent choice because it has been dried in a kiln to remove excess moisture, reducing the chances of warping, twisting, or cracking. If properly constructed, pine stretcher bars can last for many years and provide a stable foundation for the artwork.

Fir and poplar are other common woods used to make stretcher bars. Fir is a stronger and more durable option than pine, but it is also heavier and more expensive. Poplar is lighter than pine and has a smooth, uniform grain, making it an excellent choice for artists who want a more refined look. Cedar is also used occasionally for stretcher bars because it is highly resistant to moisture and insects.

Overall, the choice of material depends on the artist's preference and the intended use of the artwork. A well-made stretcher bar can provide excellent support and stability for the canvas, allowing the artist to create a high-quality, long-lasting piece of artwork.

What are the different types of stretcher bars, and which ones are suitable for different types of artwork

There are several types of stretcher bars available, each with its own unique features that make it suitable for different types of artwork. Here are some of the most common types of stretcher bars:

1. Standard stretcher bars - These are the most basic type of stretcher bars and are ideal for smaller to medium-sized canvases. They are available in different depths, ranging from 3/4 inch to 2 inches, depending on the artist's needs.

2. Heavy-duty stretcher bars - These are thicker and more robust than standard stretcher bars, making them suitable for larger canvases or heavy paint applications. Heavy-duty stretcher bars are typically made from stronger woods, such as fir or oak, and can support the weight of the canvas without bowing or sagging.

3. Gallery wrap stretcher bars - These are designed for artists who want to create gallery wrap-style artwork, where the canvas is stretched over the sides of the stretcher bars, creating a frameless appearance. Gallery wrap stretcher bars are typically deeper than standard stretcher bars, with depths ranging from 1.5 inches to 3 inches.

4. Cross-brace stretcher bars - These are used to reinforce the frame and prevent it from warping or twisting over time. Cross-brace stretcher bars are placed diagonally across the back of the frame, creating an X shape, and are typically used for larger canvases.

5. Rounded stretcher bars - These are designed to create a convex surface, making them ideal for artists who want to create a more three-dimensional look. Rounded stretcher bars are available in different sizes and depths, depending on the artist's needs.

The type of the stretcher bar that is suitable for a particular artwork depends on several factors, including the size of the canvas, the weight of the paint application, and the desired final appearance. It's always best to choose a stretcher bar that is appropriate for the specific artwork and to ensure that it is well-constructed to provide the necessary support.