Understanding Wood Grades And Standards

When it comes to selecting the right wood for your space, it is important to understand wood grades and standards. This type of classification will help you to determine the quality, durability, and suitability of the wood for different applications. In this article, we’ll delve into the different wood grades and standards, with a focus on widely used grades like 710 and others, to help you to make accurate decisions for your next woodworking projects or construction projects.

About Wood Grades?

Wood grades refer to the system of classification that accesses the quality and different characteristics of wood. These grades are determined based on various factors, including the types of wood, appearance, strength, and defects. By understanding wood grades you will be able to choose the best wood according to your specific requirements and needs for your projects.

Plywood Grades

Plywood is recognized as one of the most versatile wood products used in construction and furniture making. It is classified into various grades based on its quality and intended use.

Grade 710

IS 710: This is a grade of marine plywood, conforming to the Indian Standards IS 710. It is highly resistant to water in nature and is used in various applications where the wood is exposed to moisture for extended periods. Marine plywood is commonly used to make kitchen cabinets, construction, and exterior furniture making. Its excellent quality makes it ideal for environments with high humidity.

Grade BWR (Boiling Water Resistant)

IS 303: BWR plywood is another high-quality grade, conforming to IS 303 standards. It is known for its resistance to water and boiling water. BWR plywood is suitable for both purpose interior and exterior, such as kitchen and bathroom cabinets, furniture, and shutters.

Grade MR (Moisture Resistant)

IS 303: MR Plywood, also conforming to IS 303, is designed for interior use where moisture resistance is required. It is mostly used in furniture making, panelling, and indoor cabinetry, it is not suitable for direct exposure to water.

Hardwood and Softwood grades

Hardwood and softwood grades are different because of their mismatch properties and use.

Select Grade: This is the highest grade of hardwoods, known for its minimal defects and clear, uniform appearance. Select grade hardwood is mostly used in high-end furniture, flooring, and cabinetry where visual looks are crucial.

#1 Common Grade:

This grade allows you to show natural characteristics, such as knots and color variations, making it a perfect choice for rustic and traditional styles of furniture and flooring. It provides an equality between quality and expense.

#2 Common Grade:

This grade has more noticeable defects and is often used in construction where the wood’s visual appearance is less important. It is suitable for framing, subflooring, and other structural applications.

C and D grades (softwood)

These grades are known for the size of knots. C select has fewer knots and is smoother, making it suitable for finishing applications. While D grade allows more knots and is used in less visible areas or a rustic look is derived.

Standards for wood grading

There are different standards for wood grading, ensuring consistency and quality across the industry. Some of the most known standards include:

• Indian Standards (IS)
• American National Standards Institute (ANSI)
• European Norm (EN)

Selecting the right wood grade

Choosing the right wood grade depends upon the specific need of your space. Some of the key points you should keep in mind while selecting the wood:

• Identify the application
• Consider Visual appeal
• Evaluate Cost

At Khandelwal Timber, we offer a wide variety of high-quality wood products to meet your specific needs. Visit us to explore our range for your space.