Exterior Drainage


exterior drainage IowaWhen you built your basement, did your contractor install a perimeter drain system and waterproof the walls? You may not know the answer to this. More times than not, many home builders will use damp proofing methods instead of waterproofing methods. They spray on a material that looks like true waterproofing emulsion, but is actually a watered down version that is not nearly as thick. As your exterior drainage Iowa service provider, we ensure that we will completely take care of your exterior drainage problems.

Many home builders also do a poor job of installing the perimeter drain. They use a corrugated pipe as a perimeter drain because the excavation is not graded for proper drainage. This corrugated pipe runs up and down the peaks and valleys along the bottom of the excavation. When they are finished, they will cover this piping with plumber rock. Plumbers’ rock is too small and therefore generally is not enough to properly cover the drainage system. Then comes the backfill. If you have ever been to a new construction site there is trash, building waste, and un-compacted soil used for backfill. With all of these factors in play, your exterior waterproofing system on average will not last more than 7-10 years.

Proper Exterior Drainage Iowa Waterproofing

Taking pride and care in your exterior waterproofing system is the number one factor to having a dry basement and healthy home. Make sure to take the time and weigh all of your options and ask the experts at Dry-Basement Waterproofing any question that you may have. They are here to answer them and provide you with a healthy, dry home for many years to come. Moisture is transferred from the outside of your home or building to the basement interior by four primary mechanisms.

  1. Water Flow – Water takes the path of least resistance, if this is into your basement, then that is where the water will flow.
  2. Capillary Action – Concrete is a very hard yet porous material. Think of capillary action being like a wick. As concrete sets in water, this water is absorbed by the concrete until it becomes completely saturated and then disperses moisture and water vapor to the inside of the home.
  3. Vapor Diffusion – Vapor diffusion is much like Capillary Action, except with water vapor. Water vapor only needs the smallest of openings to penetrate a structure and raise humidity levels.
  4. Air Movement – Any time that a door or window is opened not only are you bringing air into the home but you are pulling air from the basement to the upper living levels. This is known as stack effect. Your home acts like a chimney drawing air from the bottom toward the top. On average about 50% of the air we breathe in our homes comes from the basement.

What should you do?

When protecting your biggest investment, you should make sure that waterproofing is done correctly and will provide a permanent solution to your home. Exterior wall waterproofing cannot prevent water from moving deeply below your foundation walls. This water can move through your basement or crawlspace floor. You should highly consider an interior drainage system to complement your exterior efforts, not replace them. Adding an interior drainage system is not waterproofing your basement or crawl space. They are water management systems that aide in relieving excess water from under and around your foundation.

Make sure that if you are moving the exterior water to a sump pump system, this system must be the proper unit to take on the load. Dry-Basement Waterproofing offers modern sump pumps, battery backup sump pumps and high-quality sump basins to remove this collected water away from your home.

Foundation drain tile systems are the means by which groundwater can be transported away from your basement, foundation, and floor. If you want a dry basement and a sound foundation, you must have an adequate foundation drainage system. Our professionals will take care of all your exterior drainage Iowa problems.