WHAT ARE THE MOST COMMON ISSUES AND PREVENTION WHEN SHUTTERING PLYWOOD IS USED ?


Shuttering plywood, used primarily in formwork for concrete construction, needs to have specific qualities to ensure it performs effectively. Here are some common defects and quality issues found in shuttering plywood and tips on how to avoid them:

Common Defects and Quality Issues –

ISSUE

PREVENTION

Warping issue: can occur due to moisture absorption. This affects the flatness an\.  alignment of the formwork.

Use plywood with good moisture resistance and proper treatment. Store plywood flat and off the ground in a dry area to prevent moisture-related issues.

Delamination Issue: Delamination happens when the layers of plywood start separating, usually due to excessive moisture.

Ensure proper storage to protect from excessive moisture and use the plywood as per the manufacturer's guidelines.

Surface Defects Issue: Surface defects like knots and cracks can affect the finish of the concrete.

Inspect plywood before use. Select plywood with minimal defects and a smooth surface.

Poor Edge Sealing Issue: If the edges are not sealed properly, moisture can penetrate and cause swelling or deterioration.

Seal the edges of the plywood with a suitable edge sealant to protect against moisture.

Inadequate Load-Bearing Capacity issue: Plywood that is not designed for heavy loads might fail under the pressure of concrete.

Use plywood that meets the structural requirements for the expected load. Follow guidelines for load ratings and reinforcement if needed.

Inconsistent Quality Issue: Variability in quality between sheets can lead to inconsistent formwork performance.

Purchase plywood from reputable suppliers who provide consistent quality and adhere to industry standards.
Check Certifications: Look for certification marks that indicate compliance with industry standards.

By focusing on these aspects, you can significantly reduce the risk of defects and ensure that your shuttering plywood performs well in formwork applications.

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