Knowledge base
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FAQSyneresis & Silicones
Sometimes a small clear oily separation is visible when a cartridge is opened. This we call leaching.
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ConceptsZwaluw FireProtect
Products for Passive Fire Protection are the primary means, included in the construction of a building, limiting flames, heat and smoke to spread and significantly increase the fire safety.
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FAQPaint cracking in acrylic paints
Although in general acrylic sealants can be painted very well both with solvent based paints as well as water based paints (for instance acrylic latex) it is possible that the paint film on the acrylic joint can crack.
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LegalDoP finder
As of July 1st 2014, the Construction Products Regulation (CPR, EU 305/2011) became effective for sealants throughout the European Union. This regulation requires all construction products for which a harmonized standard exists, to be CE marked and suppl…
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ConceptsAirtightness of uPVC and aluminium windows
When uPVC and aluminium window frames are assembled in a new building or renovation project, Den Braven is able to provide a suitable solution to achieve compliance with current and new building regulations. Joint connections should be treated with high …
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FAQFungi resistance of sealants
Where products are used in wet areas like kitchens, bathrooms, swimming pools, abattoirs, cooling rooms, storage - and production rooms for food, fungal growth can occur. As a result of temperature, humidity, soap residue and traces of fungi in the air f…
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FAQInfluence of temperature in storage and/or transport
In the technical documentation for of all Den Braven’s products the minimum shelf life after production is given as between +5°C and +25°C. When products are stored in higher temperatures this will shorten their shelf life. A maximum temperature of +45°…
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FAQTolerance of sealants with paint
In this we have two situations: A) Sealant applied to a layer of paint B) Paint applied to a sealant joint
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Training
How to determine the initial strength
The market for constructive sealants is fast growing. More and more mechanical fasteners are replaced by constructive elastic bonds. Constructive bonding has many advantages over mechanical fastening and very few disadvantages. High modules polyurethane …
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FAQGlazing systems
This technical bulletin is addressing the Dutch market and gives in insight how to interpret and combine local regulations with this bulleting. Please familiarize yourself with local laws and regulations.
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