Popular Methods of External Basement Waterproofing

Basement waterproofing has become increasingly popular as homeowners have sought to convert rough basement space into a living area. Waterproofing methods and strategies can be grouped into two main classes: External and Internal. In this guide, we’ll explore popular techniques and methods of waterproofing basement walls.

Why waterproof your basement walls externally? Isn’t it true that inner waterproofing is more popular and cheaper? Well generally speaking, yes. Internal methods are very popular and many can be extremely affordable. But only speaking internal basement waterproofing isn’t really waterproofing whatsoever because you are not preventing water from getting into the basement walls. Rather, you’re inventing methods of dealing with the water once it does input. On the other hand, when you waterproof your basement walls you are actually preventing water from penetrating them in the first place. This is significant since water is obviously destructive to building materials. Over time constant water exposure breaks down the composition of any substance much the mortar and block of that most base walls are built.

So what can be done on the exterior of your cellar walls? Well, outdoor cellar waterproofing actually boils down to two kinds of strategies: drainage and barriers. There’s also a third strategy known as a diversion that may be considered as an adjunct to drainage. Drainage means you’re installing systems to drain water out of the floor surrounding the cellar. Considering that water follows the path of least resistance, you are giving the water an easier route to follow than to put in your foundation walls. Diversion systems refer to the rain gutters and downspouts on your residence. These systems are designed to divert that rainwater from the floor surrounding the base and therefore not place any undue weight on the drainage system. Barrier systems involve employing a waterproof coating on the outside surface of your foundation walls. This way the little quantity of floor moisture in touch with your basement walls may still not enter because it can’t penetrate the waterproof barrier. Each one of the products, apparatus, and techniques available for outside basement waterproofing fall into these 3 categories. Furthermore, they are more effective if employed in concert together.

Both barrier and drainage systems have something in common. They both require substantial excavation around the structure to expose the cellar walls. This excavation represents the majority of the cost of exterior waterproofing and is probably the biggest reason most homeowners elect for interior solutions. Excavation is not only costly but it’s disruptive and insecure. An inexperienced operator may actually damage your base walls using an excavator. Excessive excavation at any 1 point can cause shifts in your foundation walls. Ultimately, there’s always a chance that excavation can damage an underground utility line which was incorrectly marked or simply not understand about. Every one these possibilities may add substantially to the total cost of this undertaking. Despite the risks and costs associated with outside waterproofing, the benefits may still make it a rewarding endeavor.

Exterior drainage systems are usually known as footer drains or tile drains. These systems are comprised of a channel that’s dug around the perimeter of the base walls in a depth just under the wall footer. The channel is filled with an aggregate, in different words, gravel. In the middle of the aggregate lies a pipe. The pipe contains perforations that allow liquid water to go into. As groundwater descends it finds little if any immunity to entering the trench because of the abundance of air spaces inside the gravel (aggregate). Once from the trench, the water also easily enters the pipe through the perforations. The pipe then leads to a distant drainage location such as a storm drain or a pure groundwater drainage route. click here to get started.

A fantastic exterior footer drain system benefits greatly from a fantastic diversion system. As we mentioned previously, a recreation system is comprised of the rain gutters and spouts on a construction. You could be asking yourself why you have to be worried about the rainwater when you’ve got an underground system draining water away from the house. The reason is that water carries silt and other particulate matter dissolved inside. As time passes, that sediment accumulates within the footer drains and begins to obstruct the flow of water. The more water flowing to the footer drains, the faster sediment will accumulate. A fantastic diversion system will keep most rainwater from their drainage system. This is accomplished with gutters collecting water from the roof edges and downspouts draining at least 5 feet away from the foundation walls onto ground sloping away from the house. The downspouts will drain to underground pipes draining into storm drains. The longer rainwater is diverted from the footer drainage system the more time the system will survive.

Eventually, the barrier systems are waterproof layers applied to the outside surface of the foundation walls. Once the floor is excavated to expose the walls surfaces any residue of soil is removed to get a clean program. The barrier material, which is often referred to as a sealant, is usually based on rubber or a polymer. Some products are actually a cement or asphalt and applied as such. The most recent commercially available products are rather versatile. They’re lean enough to be applied with sprayers which considerably reduces the labor required yet they’re also durable enough and strong enough that after completely cured many are warranted to last 10 years or more with proper application. Call Blue Maxx here.

External diversion, barrier and drainage systems working in concert are unusually capable of waterproofing basement walls. While outside systems can be costly and many are installed at the time of building construction, a properly designed system set up at any point in a building’s lifecycle can provide comfy, water-free basement dwelling for many decades.