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Why do the hurricanes have names
Since 1953, the
National Hurricane Center (USA) has been giving names to the major tropical cyclone storms (commonly known as the hurricanes).
As using names is much more natural for us, people, than using the latitude/longitude coordinates, the information exchange among the meteorologists, public and media is much easier than before.
First the hurricanes only were given womenīs names but in 1973 also the menīs names were added to the list (for U.S., there are totally 6 lists repeating each 6 years, each hurricane name starts with different letter - in alphabetical order - and menīs names alternate with womenīs honestly).
Retired hurricane names Katrina never more
The hurricane name lists repeat each 6 years but each year there are some names that drop out of the lists. This happens when the hurricane was so deadly, costly or hitting so intens...
Insulating roofing paints are (usually) high quality water-based styrene acrylic elastomeric paints fortified with ceramic microspheres.
If applied onto the roof, the insulating paint deflects high portion of the sun radiation which results in considerable lowering of the inside temperature.
The ceramic microspheres
The ceramic additive is supplied in the form of microspheres. The ceramic microspheres are microscopic spheroids, that can be solid or hollow (hollow microspheres have better insulation properties as the air itself is a good insulation material).
Beside their insulation feature, the ceramic microspheres also improve the general protection properties of the roof coating.
Their spherical form helps to create a smooth and continuous surface so that it is quite hard to scratch it. Such coatings - if applied properly - can dramatically reduce thermal and noise transfer from the environment to the house and vice versa.
Ceramic insu...
The natural enemies of building lumber never sleep therefore it is reasonable to use some chemical conservation materials to protect the wood from decay or ligniperdous (wood consuming) insects.Wood protection products
The market offers lots of wood protection (impregnation) coatings. Most of them are of green or brown color (coloring of the impregnation fluids helps you identify better which areas were already protected and which areas still need to be impregnated), but you can buy also translucent protective coatings (for the interior wood).
The most of these wood impregnation products are environment friendly, they do not contain formaldehyde, heavy metals (e.g. lead) or chlorine, neither the carcinogenic or mutagenic chemicals.How to impregnate the lumber with wood protection fluid
The lumber surface must be clened of old stain, mud, phloem and fibre.
To achieve the best protection, it is also necessary to remove all surfaces attacked by dr...
People use lumber as the building material thousands of years. It is reliable and easily machinable. But being the natural building material, wood has lots of enemies.The natural enemies of building lumber
Apart from the weather conditions like sun, wind, freezing or acid rains, the most dangerous are the biological enemies of wood.Ligniperdous (wood attacking and destroying) insects
The ligniperdous insects lay their eggs onto the outer surface of the lumber but their worms consume the lumber logs from the inside, enfeeble the wood and so decrease itīs usability as the building material (hardness, firmness, natural flexibility).
Among the most dangerous ligniperdous insects belong the (worms of) Ambrosia beetles (Platypodidae, Scolytidae), Bark borer beetles (Ernobius mollis), Longicorn beetles (Cerambyx cerdo), Common furniture beetles (Anobium punctatum), Oak bark beetles (Scolytus intricatus), Death watch beetle (Xestobium rufovillosum), Powder post bee...
Requirements on roofing material
I really do trust the roofing manufacturers when they say they are trying to produce the perfect roofing material, but the requirements on roofing material are really high. Just count with me. The "very best roofing material" has to face:
1.) atmospheric water (I am not talking about the clear little brook water but the hungry acid rains that can erode almost any material);
2.) ultraviolet (UV) radiation;
3.) birdīs excrements;
4.) dust;
5.) snow and ice;
6.) strong winds;
7.) sun;
8.) moss and lichen;
9.) etc, etc... thereīs more there, I just wanted to stop before reaching 10.
So what are the roofing manufacturers doing to achieve better roofing surface treatments? Hereīs the overview:Ceramic (burnt clay) surface treatment
The non-treated rough ceramics is dipped into various clay sediments and then it is annealed in the furnace. The final surface is called the "engloba...
