Thursday, April 16, 2015

How To Handle Exterior Basement Waterproofing

By Iva Cannon


The process takes into account the measures taken to prevent any ground water from passing through the basement and accumulating in the crawlspace. Such measure include putting up interior walls and outside drainage. So to those who want to build, it is recommended that exterior basement waterproofing must be incorporated in the initial construction of the building. These include planning for the outside perimeter drains, materials to be used for waterproofing walls, digging gutters and making sure that the slope next to the building is properly sloped.

These may mean keeping in mind there will be outside perimeter walls, exterior basement materials to be acquired, construction of trenches and ensuring the slope adjacent to the building is well sloped.

Many contractors usually forget to consider planning for exterior drainage in their early steps of construction bring about problems with water management in the future because of inadequate drainage systems of the building. Hence the need to have basement measures anytime a building is being put up especially if the area is known of groundwater causing building water tables.

One of the main reason why we should manage basement water from outside is necessary is because water comes in from the outside. These water comes from the surrounding soil below it or around it.

Water leaks due to the following reasons, subsidence which is the descending, damaged downspouts, very narrow footings which can be susceptible to soil movements and if the concrete mixture are not given enough time to cure.

There should be adequate pitch to prevent the drains from accumulating water to the foundation instead of draining it from the foundation. This method requires frequent maintenance of the pipes to remove mud, sediment and solid materials that might clog the pipes.

The other method uses the polymer and tar products. These are products manufactured using polymer based products which are waterproof and have low viscosity which are directly applied onto to the wall. There is an element of degradable asphalt used for covering if applied on the foundation walls. When this product is properly sprayed it has the ability to keep the basement dry for very long period without molding or decaying of this floor.

These system works effectively if the pipes are frequently maintained to remove the clogging mud, deposits and stones The second technique is use of tar and polymer based products These products have a waterproofing element in them due to their low viscosity.

One just need to apply them to the footer since they have degradable asphalt for sealing purposes. They have the capacity to maintain a dry wall for several seasons without molds or decay. However, due to the changes in temperatures the tar applied becomes brittle and eventually cracks allowing water to be pushed up through these cracks, since these method did not provide a lasting solution some building companies turned to vinyl sheeting. The sheets covers the outside walls stopping any leakages to the walls, but also after a while the concrete on top of these walls dampens allowing water to push through,

Some of the causes of leakages are, wrongly mixing the concrete or where the mixture does not properly dry, narrow footing, clogged gutters or through subsidence. Companies dealing with exterior waterproofing should be dedicated to vault waterproofing cost of their city. They offer repair of foundations, footer repairs and sealing of concretes. They are aware that foundation problems damage homes value and so work tirelessly to prevent it.




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