Insulation system foundations and floors In the category Floor Insulation Many people are interested in knowledge and learning about many subjects, this knowledge may be vital at some point in your life, attention enough, and dive into more detail more articles and learn more information about Insulation system foundations and floors.
Believes foundations and insulation of floors and retaining walls and rubble work necessary protection from moisture leaking from the surrounding soil. Natural soils beneath the level of the ground floor of the buildings surrounding the foundations and walls contain varying amounts of moisture and salts are sometimes soluble in water-borne through the pores of the soil. And can interact with soluble salts Concrete foundations, retaining walls and tile floors and basements and other structural elements in contact with the soil, leading to cracking of concrete and weak cohesion and then the fall of some of the surface layers. As can be implemented salts dissolved in the ground water to the rebar through cracks and openings that occur in the concrete, exposing the steel and iron then gradual erosion.
Because it affects the durability of the building and shortens old must be the protection of concrete elements in contact with the soil using non-nominated materials or moisture-proof, taking into account the implementation of these elements in healthy ways.
Preparations:
The aim of isolating elements and concrete slabs in contact with the soil below ground level is to protect these items from moisture to leak inside. And do not achieve the desired insulation interest him unless surfaces installed by executing layers of insulating material and prepared properly. And the following actions are recommended when preparing for the implementation of the process of insulation:
1 – make sure to dry concrete drier fully before you start the installation of insulation system and so you wait long enough after the end of the casting process (from 3 to 4 weeks) until gaining full hardness and concrete up to the maximum resistance.
2 – to make sure that the concrete surface smooth and free of any protrusions or openings or arming prominent rods outside, and the settlement of the concrete surface and remove bumps and rails prominent and fill in the gaps, if any, and cement mortar.
Insulation system foundations and floors
Isolate the foundations and necks of columns:
Recommended by following the steps outlined below in the implementation of the process of isolating foundations and necks of columns:
1 – If the foundation is higher than the level of ground water did not show this water during drilling, suffice using paint Tarmac for insulation on all surfaces in contact with the soil with filling all voids and openings, and then leave the paint to dry repeats paint these faces twice or more as necessary.
2 – If the foundations under ground water level or close to this attributed to any if these waters appeared during drilling, whether on-site or at a nearby site, it must strengthen the insulating layer and by using two layers of asphalt-saturated chips such as burlap or other proven asphalt paint, then covered from the outside with a thick layer of liquid asphalt or asphalt paint. And repeat this process two or more times to make sure isolating concrete elements listed completely unarmed.
3 – isolate necks columns up to the level of the ground floor slab or basement slab level.
Pour flooring and isolation :
The following steps are recommended to pour floors and isolation :
1 – is to make sure the level of the ground floor slab and basement slab , if any, and then the land is settled well after removal of construction materials , impurities, and tamping the ground after so well.
2 – all extensions are installed beneath the concrete slab , such as water pipes and drainage openings and valves , then these elements are isolated and buried in their own trenches .
3 – put a layer of coarse stone and gravel thickness of about 15 cm , and tamping good , then brushed the sand to fill in the gaps , and then settled surface of the well , and this layer prevents the water to the top nominated characteristic poetic.
4 – It is recommended in the case of a cellar by pouring a layer of normal concrete thickness of 10 cm above the stone layer mentioned in the preceding paragraph .
5 – carpeted sheets nylon thick ( insulation moisture) over a layer of stone coarse or normal concrete – mentioned in the preceding two paragraphs – until you reach the edges to the level of the concrete -bearing walls or walls itself in the level of tiles and demonstrate good taking into account the filling of all joints and openings between the sheets nylon to prevent leakage of water through it , should not be exposed sheets made of nylon or scratched during installation hole .
6 – poured concrete slab thickness of 10 cm to 12 cm above the nylon sheets , taking into account the lifting rebar network for cut sheet metal or small cubes of concrete. And shall extend intervals between these tiles and between walls and columns of Sterofum material available on the market in the form of 1 cm thick slabs . And settled surface of the concrete well- armed and sprinkle after drying and intransigence with water twice a day for two weeks , with the coverage to save moisture.
Insulation retaining walls:
Prevents water leaks and moisture from the soil to the basement to install natural buffer layers on the retaining walls of the basement from outside. And take into account the installation of insulating layers of the following:
1 – If the ground water level did not show these low water during drilling suffice using paint asphalt insulation on the external faces of moisture in contact with the soil, paint and leave to dry. And repeat the paint again, or even more up to the level of the highest point of contact with the soil backfill from abroad.
– If the level of ground water is higher than the level of foundation or slab basement must strengthen the barrier to prevent leaching and rinsing the retaining walls from the outside paint the asphalt and leave it to dry, and covered then two layers of chips saturated with asphalt like burlap and other materials that are available in market proves by asphalt Paint and then covered with a thick layer of liquid asphalt asphalt or paint, taking into account allowed to ride between the classes of about 5 – 10 cm.
3 – If the ground water level higher than the level of the foundations and basement slab is recommended that the Bank shall be installed external water around the building in the level of the base of the wall and the ground water to drain from the site to a suitable drainage system.
Rubble:
The process of reclamation after completion of the foundations, retaining walls and installing the insulation layers, and taking into account the following:
1 – The use of clean sand and gravel in the reclamation of all, and to avoid the use of materials of the bulge or landing or soluble in water, and also avoid the use of stones with dimensions of more than 10 cm or construction waste as spare block and concrete. And the resulting soil can be used for excavation work at the site if they meet the conditions mentioned otherwise shall be transported away from the site.
2 – that are filling no more than the thickness of layers each about 25 cm, carrying out each individual layer soil brushes horizontally and then constantly sprayed with water and compacted then gradually mechanical bullet until completely cohere.
3 – It is recommended to avoid the use of methods of bridging the other non-technical such as using fine sand without a father on the layers and then drown him water, because it results from the use of such methods many problems, especially if the leaked water or moisture to rubble, which leads to a drop in floors and cracked walls.
4 – Do not scratch or puncture insulating layers during the filling process.
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