Defense Moisturizer
Water resistance: a guide for the diagnosis of moisture (Part 2)
Read Part 1 here: WATERPROOFING HUMIDITY DIAGNOSTIC GUIDE (Part 1)
SOIL TYPE C.
Of Sandy soils are most desirable land in the basement. Allow rainwater to infiltrate and penetrate easily is deeply until the water table (ie, an aquifer).
Loam or bags of clay can hold water (perched water) that can potentially induce hydrostatic pressure.
Some soils are very wide. They may contain, for example, bentonite or montmorillonite mineral considerable swelling capacity.
The swelling and inflammation, especially differential can cause subsidence, differential settlement and cracks in foundation walls.
D. TYPES OF BUILDING MATERIALS
Building materials vary in porosity and permeability to water vapor.
In addition, large differences in their abilities hygric buffer.
For example, a typical construction Greece concrete and clay bricks can be 100 times (!) Increased buffer capacity hygric a structure made of sheet metal and concrete.
The orientation of building E.
construction will affect orientation behavior Hygrothermal performance of building envelope.
Some examples:
Northwest Guidance increase the condensation and reduce the drying capacity.
Major axis orientation of the prevailing winds building to increase air infiltration, interstitial condensation, but also the cooling effect.
F. HYDROGEOLOGICAL PROFILE
The existence of groundwater can have a significant impact on the integrity of the waterproofing below grade structures.
The problem is more serious when the water table is near or above the basement.
The lack of drainage perimeter or the blockage of drains will only aggravate the problem.
The hydrostatic pressure can exert a considerable force in the foundation walls. Can cause cracks and press large amounts of water into and through the cracks.
The pressure relief Hydrostatic is of vital importance in all interventions sealing basements.
USE OF BUILDINGS G.
The use of the buildings is essential from the point of production of water vapor in sight.
Spaces mass production of steam cookers, for example, indoor swimming or other sports sites, some sectors (paper, cans, dairies, breweries, etc), and sanitary facilities have been subject to the condensing surface.
These buildings / Spaces should be used or vapor barrier and insulation strategy to mitigate these problems.
H. CLIMATOLOGICAL CONSIDERATIONS
The climate is one of the parameters that play an important and dynamic role in Moisture affected buildings.
Heavy rains precipitation recharge groundwater, raising groundwater tables or to create pockets water (perched water).
thaw testing of spring are real lines of defense for waterproofing basements and foundations.
Ceilings and walls are vulnerable to wind and precipitation.
SeeFront buildings on the face of higher humidity, chlorides and strong winds.
Whether or not a vapor barrier and its exact location depends on local climatic conditions.
To diagnose the problems of sealing must understand the local temperature and moisture conditions. This will give you the ideas you need.
Building FUNDAMENTALS I. Science
Knowledge of basic concepts and mechanisms of science or physics of buildings is essential to decipher the puzzle of moisture.
More analytically a person skilled in the sealing industry must have a solid knowledge of concepts such as:
– Relative humidity
– Absolute humidity
– The dew point
– Condensation (surface and interstitial)
– Dissemination
– Differences pressure temperature
– The capillary absorption
– Buffer hygric
Steam –
– Ventilation (natural and forced), etc.
Chris Strogilis
Civ Eng – MBA – DIPM
,
About the Author
Civil engineer with postgraduate studies in MBA and Marketing.
christos@macon.gr
http://maconwaterproofing.blogspot.com/
http://totalfitness-christos.blogspot.com
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