Ply Floor Treated 21mm 2400×1200 Downgrade *

Non-Structural Flooring Plywood Down Grade – 2400 x 1200 x 21mm H3 T&G

Code: 10580

Down Grade Flooring Ply – T&G Edge | H3 Treated | Non-Structural

This down grade flooring plywood is a cost-effective sheet suitable for non-structural and general-purpose applications. Featuring a tongue & groove (T&G) edge option, it allows for easy alignment and installation where structural certification is not required.

Treated to H3, this plywood is suitable for exterior use and resists fungal attack in areas exposed to moisture.

This is a non-structural product and is not certified for house or commercial flooring.

Plastic tongue insert is available separately for $10 each if required.

Product Specifications

• Thickness: 21mm

• Size: 2400mm x 1200mm

• Grade: Non-Structural (Down Grade)

• Treatment: H3

• Edge Profile: Tongue & Groove (T&G) option

• Condition: Down Grade

Key Features

• Cost-effective non-structural option

• T&G edge option for easier installation

• H3 treated – suitable for exterior use

• Resistant to moisture and fungal attack

• Ideal for general and industrial use

• Budget-friendly for non-critical applications

• Optional plastic tongue insert available ($10 each)

Down Grade – What to Expect

• May have slight edge damage

• May get the odd surface bubble if left exposed to weather

• May have knots, defects, or occasional delamination

• Not suitable where structural certification is required

Important Notes

• Not certified for house or commercial flooring

• Always check suitability for intended use

• May not comply where structural plywood is specified

• Down grade plywood has no warranty and is sold as is

Suitable Applications

• Cabins and sleepouts (non-structural applications)

• Temporary flooring

• Construction site use

• Implement sheds and farm buildings

• Wall lining and general lining

• Packaging, crates, and bins

• Budget factory or industrial lining

• Signage and hoardings

• General non-structural building use

💬 Pricing & Availability

For current pricing and stock availability:

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🏪 Visit us in-store

We are happy to help and our team are friendly and easy to deal with.

Why Buy From Three Brothers Hamilton?

• Supplying Builders, Tradies and DIY customers across NZ

• One of the largest plywood ranges in New Zealand

• Extensive stock across structural, decorative, and specialty ply

• Competitive pricing and reliable supply

• Fast dispatch and nationwide delivery

Pickup & Delivery

📍 Pickup:
64 Sunshine Ave, Te Rapa, Hamilton

🚚 Shipping:
We specialise in secure packing and fast nationwide delivery across New Zealand.
All sheet products are carefully packed to ensure safe arrival.