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What are D2, D3, D4 Adhesives?

Posted by Lynne 02/10/2019 0 Comment(s) Adhesive Products,Solutions for Technical Challenges,

Within our large range of Adhesives, many have a 'D' grading, but what does it all mean?

'D' grading on adhesives stands for durability. These grading's are set to the European standard BS EN 204, which governs the classification of wood glues for non-structural applications. 

There are 3 main types of durability grading.


Durability Classes:

D2= Interior areas, with occasional short term exposure to running or condensed water and/or to occasional high humidity, provided the mositure content of the wood does not exceed 18%. 

D3=Interior areas with frequent long-term exposure to running or condensed water. Exterior areas exposed to weather.

D4= Interior areas with frequent long-term exposure to running or condensed water. Exterior areas exposed to weather. 


Example of what each grade is used for:

D2: Furniture and woodworking. Manufacturing sofa frames in-line.

D3: High quality joinery, furniture making and veneering including flat panel lamination with plastic laminates.

D4: Bespoke furniture. High quality joinery, including windows, doors etc. in extreme situations. Timber frame applications including the bonding of chipboard flooring. 




Now you understand the difference, you can find the right product for your application. Check out below, some of our 'D' grade Adhesives.

D2 Products:

Timbond Fast Drying D2 Adhesive 28kg

D3 Products:

Professional Water Resistant PVA- Timbond D3 PVA 

D4 Products:

Tytex Frame & Floor D4 PU Adhesive 1kg

Tytex Rapid 5 Min D4 PU Adhesive 1kg or 310ml

Tytex Standard 30 Min D4 PU 1kg or 310ml

Timbond 5 Min D4 PU

Timbond 30 Min D4 PU

Timbond Professional Waterproof D4 PVA



If you have any queries or need some advice on our Adhesives, contact our technical team by email, phone or live chat. 

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