Knowledge base
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FAQ
Fungi 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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FAQ
Tolerance 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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FAQ
Discoloration in sealant joints
Sealants are used in building and industrial applications in many places under various circumstances on several substrates. It may occur that the sealant joints show discoloration after a couple of days or weeks. In general the joints can be considered a…
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FAQ
Damage to sealant joints by animals
Sealants used in construction and industry applications must provide a permanent seal between building materials. In normal conditions, combined with regular inspection and maintenance, joint sealants can function for many years. The durability of sealan…
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Applications
Finishing of sealant joints
The following points are of importance for this: 1. Processing equipment 2. Modus of applying 3. Modus of finishing
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Legal
DoP 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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Concepts
Airtightness of uPVC and aluminium windows
When uPVC and aluminium window frames are installed in new buildings or renovation projects, Den Braven is able to provide a suitable solution to achieve compliance with the current and new building regulations.
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FAQ
Influence 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 + 4…
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Applications
Suitability and pre-treatment of surfaces
For an optimal functioning of a sealant joint it is of essential concern that the sealant will make a good bonding on the surface it is applicated to. Indeed if the bonding fails, the function of sealing partly fails. The strength of bonding between sea…
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FAQ
Paint 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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