Metal flakes for coatings
Which grades of gold leaf remain durable outside the building also without a protective coating?
Only gold leaf species can survive outdoors without a protective coating …
Coatings on brick and clinker
What material provides a durable and effectively covering paint coating on an external facing wall made of clinker bricks?
For making covering coatings on facing brick walls …
Facade made of exposed concrete
The new façade made of exposed concrete is to be painted. During the examination of the substrate, residues of formwork oil were noticed on the concrete surface. No other defects were found.
Please …
PASSIVE SYSTEMS (PASSIVE) USE OF SOLAR ENERGY
Unlike active systems, in passive systems, special installations are unnecessary, in which the intermediate medium circulates. The role of collectors in these systems is fulfilled by glazing and elements or whole parts of houses. …
Paint coating removers
Please explain, why coating removers can be used to remove coatings containing alkyd resins as a binder.
Alkyd resins are esters, which are saponified under the influence of removers and thus become soluble in …
Drying of walls using drainage installations
The walls are constantly damp with water, capillary lifted from the substrate, can be drained using special installations. There are several drying methods, of which are noteworthy:
a) dehumidification with an anti-barrier …
Protection against vibrations and shocks part 5
In this state of affairs, the concept of structural reinforcement of the tower included the following measures: strengthening and underpinning foundations from the west and north, bracing the tower in horizontal planes with reinforced concrete shields, that took over on …
Protection against vibrations and shocks, part 4
Studies have shown the harmful effects of vibrations and shocks on these objects, the more that they were seriously neglected in terms of technical condition, especially the town hall tower, which had numerous cracks and weaknesses …
Protection against vibrations and shocks, part 3
The following recommendations can be given regarding the methods of action to protect a building against the effects of vibrations based on experience and observation. Brick buildings, properly shaped and constructed, can effectively resist …
Protection against vibrations and shocks, part 2
These phenomena weaken the building and can cause severe damage. In extreme cases, cracks and displacements may become the reason for elimination from operation, and even lead to loss of stability of parts or …