Fortis AD5025-S is a fast structural finger-jointing adhesive designed for high-speed timber production. With a working time of less than 2 minutes, it is ideal for automated processing of hardwoods, softwoods and engineered timber where rapid production and reliable bonding are required.
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Fortis AD5025-S is a single-component, moisture-curing structural polyurethane timber adhesive developed for fast finger jointing and structural wood bonding.
With a working time of less than 2 minutes, AD5025-S is particularly suited to automated and high-speed finger-jointing production where rapid processing and reliable bond performance are required.
The adhesive provides excellent adhesion to a wide range of timber species, including dense Australian hardwoods, imported hardwoods, Radiata pine and other softwoods. Its moisture-curing polyurethane chemistry produces a strong, water-resistant bond with a slight foaming action during cure.
AD5025-S is designed for demanding structural timber applications and meets EN 302 / AS/NZS 4364:2010 requirements. It is also certified by the Glued Laminated Timber Association of Australia under GLTAA Certificate #007.
Its high bond performance at relatively low application rates makes AD5025-S suitable for professional timber processors seeking fast production, consistent bonding and efficient adhesive use.
Single-Component Moisture-Curing Polyurethane Adhesive
EN 302 / AS/NZS 4364:2010 – Pass
GLTAA – Glued Laminated Timber Association of Australia Certificate #007
Ensure all bonding surfaces are clean, dry and free from dust, oil, grease and other contaminants that may interfere with adhesion.
Fortis AD5025-S is designed for fast finger-jointing processes and is suitable for a wide range of joint profiles. Comb-style finger joints are commonly used. Accurate machining and close wood-to-wood contact are essential for achieving optimum structural bond performance.
Apply AD5025-S evenly at the application rate specified in the current Technical Data Sheet. A fine water mist applied to the timber may assist the moisture-curing reaction where recommended for the timber species and processing conditions.
Assemble and press the components within the specified working time. Processing times will vary depending on timber species, moisture content, temperature, humidity and production conditions.
During cold weather, maintain the adhesive at an appropriate processing temperature. An adhesive temperature of approximately 20–30°C is recommended for consistent application and cure performance.
For laminating applications, suitable bonding pressure must be maintained during cure. The current product information recommends a minimum pressure of approximately 1400 kPa.
Refer to the current Fortis AD5025-S Technical Data Sheet for application rate, working time, clamping time and processing requirements before production use.
Suitable substrates include:
• Australian hardwoods
• High-density hardwoods
• Imported hardwoods
• Radiata pine
• Softwoods
• Solid timber
• Engineered timber products
• Finger-jointed timber
• Suitable structural timber components
Bonding surfaces must be clean, dry and free from dust, oil, grease and other contaminants that may interfere with adhesion.
Excellent wood-to-wood contact is essential for structural bonding. Finger-joint profiles must be accurately machined and provide a close mechanical fit.
Timber moisture content, species, density, temperature and production conditions can influence adhesive cure and bond performance.
Where recommended, a fine water mist may be applied to assist the moisture-curing reaction.
For laminating applications, suitable and consistent bonding pressure must be maintained during cure. Refer to the current Technical Data Sheet for processing requirements.
Production trials should be carried out when introducing new timber species, joint profiles or manufacturing conditions.
1,100 kg
What is Fortis AD5025-S used for?
Fortis AD5025-S is a structural polyurethane timber adhesive developed for fast finger jointing and structural wood bonding.
Is AD5025-S a structural adhesive?
Yes. AD5025-S meets EN 302 / AS/NZS 4364:2010 requirements and holds GLTAA Certificate #007.
What timber can AD5025-S bond?
It is suitable for a wide range of timbers including Australian hardwoods, high-density hardwoods, Radiata pine and other softwoods.
Is AD5025-S suitable for hardwood finger jointing?
Yes. AD5025-S is particularly suited to fast finger jointing of hardwood and other suitable timber species.
What is the working time of AD5025-S?
The current specification lists a working time of less than 2 minutes. Actual processing time can be influenced by temperature, humidity and timber conditions.
Does AD5025-S require mixing?
No. It is a single-component, moisture-curing polyurethane adhesive.
Why is water misted onto the timber?
Where recommended, a fine water mist can provide additional moisture to assist the polyurethane curing reaction.
Does AD5025-S expand during curing?
Yes. The adhesive produces slight expansion as it cures.
What application rate is recommended?
The current specification lists approximately 55–110 g/m². Refer to the TDS for the correct rate for the application.
Where can I find processing instructions?
Refer to the current Fortis AD5025-S TDS for working time, clamping, application rate and processing requirements.
Fortis AD5025-S Technical Data Sheet
Fortis AD5025-S Safety Data Sheet AUS GHS
Fortis AD5025-S Safety Data Sheet NZ
