Why are rain gutters important and how they work.

Protect Your Property

A properly installed rain gutter system is important to diverts rainwater away from your home. When gutters are not installed, removed, damaged or obstructed, the water coming from your roof can ruin virtually any part of your home.


Rain gutter systems reduce water and moisture  damage to your home.

 Why Do I need Rain Gutters

According to www.soundhome.com we need gutter systems “in order to help reduce water and moisture damage to our homes.”

But why? Won’t that water just roll off my roof? Problem solved, right?

Wrong — that’s actually part of the problem:

Modern homes are designed to conserve or “trap” energy. That’s good. But in the process, such homes can also trap moisture and that can cause big problems and costly damage. For example, if the soil around the foundation is soaked from roof drainage water, we can assume that at least some of that moisture will find its way into the basement or the concrete floor. Some of this moisture will then be absorbed by the air in the home.

If this moisture saturated air finds itself into some spaces with cold surfaces — and it will, then some of this moisture will condense against these cold surfaces…Condensation in the ceiling and walls can cause fungal wood-rot and that can be very expensive to repair.


prevent mold

Reduce water and Moisture Damage to your home

other key areas of your home vulnerable to water damages are:

  • Where the roof meets the walls. Without effective gutters, wind-driven rain coming off the roof can enter the ceiling, or travel down inside the exterior walls. And also on the outside, repeated downpours can ruin the siding, or stain the brick or stone facade.
  • Around the foundation perimeter. If  not routed away, Rainwater runoff can cause shifts in the soil, foundation cracking and interior flooding. If your HVAC ductwork is embedded in the slab—a common practice in older homes—rainwater seepage can cause corrosion and mold growth in the ducts.

Elizabeth Joseph

Product Management

Estelle Neal

Creative Director

How rain gutter system Protect Your Home:

  • Soil around the foundation stays stable, which prevents flooding under the slab, soil erosion and damage to the turf and landscape plantings.
  • Exterior siding and masonry are protected against damage from repeated downpours of water.
  • Driveway, sidewalks and patios are less likely to settle or crack.
  • Roof edge and fascia boards don’t deteriorate.
  • Risk is reduced for hazardous mold growth in the ceiling, walls or ducts.

Benefits of Rain Gutters

1. It makes the soil around the house stable and prevent foundation issues. .
2. Protects your exterior wall from water damage.
3. Reduces need for repaint.
4. Increase valuation of your property ( + curb appeal).
5. Fascia protection.
6. Prevent driveway, walkway and concrete slab cracking.
7. Keep your entrance dry when it’s raining.
8. Protect landscape
9. Prevent soil erosion
10. Water collection for later use

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It rains alot in Nigeria and you need a rainwater system to protect your building against water damage.

Find out how much it rains in your city from our next article.


If you have a property anywhere in Nigeria, please feel free to call us at +2348140402998 and have us help you protect your properties against water damage. You can also send us a mail: support@raincache.ng.

Why American Aluminium Gutter is the Best Rain Gutter

Aluminium gutters are known for their durability as well as their aesthetically pleasing exterior. But there are many benefits to choosing aluminium gutters for your property. To help you make an informed decision, here are some reason to choose aluminium gutters



As aluminium will not rust it is a perfect choice for the long term. It is designed to withstand punishment from any type of weather. Aluminum is extremely durable and has an expected life-cycle of about 60 years, depending on maintenance. This makes them extremely cost-effective too.


A timeless aesthetic effect

The appearance of aluminium gutters is extremely beautiful which makes it the perfect rainwater system for a huge variety of properties, from old country houses to modern new builds, aluminium gutters would not look out of place.


Wider range of colours

Aluminium gutters often come ready made in many different colours. An aluminium gutter is not prone to colour bleaching which can be caused by exposure to the sun and therefore will keep looking like new throughout its life-cycle.
Aluminum gutters can also be easily repainted, so there’s no need to worry about getting stuck with just one colour. 


Will not sag, warp, flake or crack

Another great advantage is that aluminium gutters will not shatter or crack due to temperature changes. It is not at all affected by thermal expansion. In addition, it is often available in a seamless style guttering which prevents any leaks and unsightly joints.


Aluminum Gutters Are Lightweight

Aluminum is so lightweight and strong, it continues to function perfectly year after year without unsightly dips that occur over time (in PVC) that can cause overflows and damages to the building.
Aluminum gutters works perfectly in areas with heavy and constant rainfall. It does not allow water, leaves and other debris to build up weight which is recipe for disaster.


Very little maintenance

Apart from the regular cleaning out of dirt from the gutters there is usually very little maintenance required. This will be a welcome feature for most people as there is no need to worry about leaks.


Seamless Gutter Options

Aluminum is also the best option for seamless gutters. Going seamless is the best way to ensure that rain water is carried safely away from your home without leaks, breaks, or seams that can split causing the need for costly repairs and replacements.
Leaking seams are the primary cause for mold, and mildews.


Aluminum gutters have higher flow rate

Depending on where you live, heavy or constant rainfall can be an issue if your gutters size is too small. A strong, long-lasting rain can create a high volume of water that can get backed up in other gutters types that are not designed to function in areas of heavy precipitation.
Aluminum is such strong material, it often has a wider channel, and high flow rate allowing it to carry much more water safely away from your home

It’s important that aluminum gutters are installed to the manufacturer’s specifications to ensure good performance. This means you should always leave  gutter installation  to certified professionals like us. Professional installation also helps protect you from having to spend extra due to corrective repairs in case a problem was caused by poor product quality or incorrect installation.

Get aluminum gutters today. RainCache is the leading supplier of aluminum gutter products and services in Nigeria. You can contact us at 08158942188, 08140402998 or fill out this contact form to get a free quote.

Oladayo Afolabi: Innovative Strides In Rain Water Management

Oladayo Afolabi is a highly innovative and enterprising Nigerian. He has made success out of an aspect of engineering which many building and water engineers would ordinarily not emphasise.

Oladayo is the Founder and Project Director of RainCache Ltd, an innovative rainwater management company which designs and installs bespoke systems to manage rainwater on residential, commercial, agricultural and industrial developments across Nigeria.

Dayo Afolabi has been a long-time contributor in the drive to build a more sustainable human community. His extensive involvement has included participation in everything from proposing directions, tracking down better ecological measures, and designing rainwater control systems. He is indeed, one of the pioneers of innovative and sustainable surface water systems in Nigeria.

Dayo Afolabi has acquired a great deal of acclaim and recognition for his contributions to the construction industry and is inspired by the drive to build an even more viable community. His strong public service commitment has enabled him to lead RainCache Ltd in the delivery of rainwater management services to over 500 high-profile clients across Nigeria.

A professional instilled with a strong sense of responsibility and unshaken work ethic, Dayo has managed to cultivate a culture renowned for exceeding the expectations of his clients and stakeholders alike. His  efforts in the development of a sustainable and a better Nigerian society are deserving of all the acclamation, recognition and awards.

It is in recognition of his accomplishments in the Design and Installation of Rain Water Control Systems In Nigeria that Mr. Oladayo Afolabi is deemed worthy to be conferred with the Development In Nigeria Merit Award which is part of the PSR National Awards 2018.

Mr. Oladayo Afolabi: Innovative Strides In Rain Water Management

Afolabi Oladayo

Afolabi Oladayo Awarded Development In Nigeria Merit Award

PSR Awards _ Oladayo Afolabi

Oladayo Afolabi: Innovative Rainwater Management.

So humble to be conferred with the Development in Nigeria Merit Award (DINMA) for Design and Installation of Rain Water Control Systems and Innovative Rainwater Management In Nigeria

Oladayo Afolabi: Innovative Rainwater Management


rain water harvesting


Rain water harvesting (RWH) is a technique of collection and storage of rainwater into natural reservoirs or tanks, or the infiltration of surface water into subsurface aquifers (before it is lost as surface runoff). One method of rainwater harvesting is rooftop harvesting. With rooftop harvesting, most any surface — tiles, metal sheets, plastics, but not grass or palm leaf — can be used to intercept the flow of rainwater and provide a household with high-quality drinking water and year-round storage. 

Rainwater harvesting is an innovative alternative water supply approach anyone can use. RWH captures, diverts, and stores rainwater for later use.

Implementing rainwater harvesting is beneficial because it reduces demand on existing water supply, and reduces run-off, erosion, and contamination of surface water.

Rainwater can be used for nearly any purpose that requires water. These include stormwater control, rain gardens, landscape use, in-home use, agricultural use, industrial use and fire protection etc. 

Why rainwater harvesting?

In areas where water supply is problematic or water resources are scarce, rain harvesting is a good solution. It reduces the dependency on groundwater for uses such as landscaping, toilet flushing, laundry etc, easing the pressure on well, bore hole, public water systems; and reduces stormwater runoff peak flow and volume.

Rainwater harvesting can provide clean water-supply for a small community. Especially when pipelines are too expensive to set up and one central well or pump cannot be used all around the year, a rainwater catchment system is a workable solution. By collecting and using rainwater, you can also be assured that you have some of the cleanest, healthiest water available, as it will not have been treated with chemicals as the water that comes from your taps will have been.

Some advantages of rain harvesting:

  • Easily accessible
  • Set-up costs are low, with easy construction and  low-cost materials
  • Easy maintenance at household level
  • Sustainability is higher
  • Easily adaptable to different types of communities
  • Promotes both water and energy conservation
  • Reduce erosion and flooding

Rainwater harvesting Components

All rainwater harvesting systems (RWHS) have basics components, which include a catchment/collection surface, conveyance system, storage, distribution, and treatment. A RWHS can range in size and complexity. For more information on each, please see the menu on the right titled “RWH Components.”


  • Catchment/Collection Surface
  • Conveyance System
  • Storage
  • Distribution
  • Treatment


storm water (rainwater) management


Storm water (rainwater) is water that comes from precipitation and ice/snow melt – it either soaks into exposed soil or remains on top of impervious surfaces, like pavement or rooftops. Stormwater will eventually evaporate off of a level surface, but most often it flows as runoff to another location.

Storm water (rainwater) runoff is any water running off a land surface before it reaches a natural water body. It occurs when the rate of precipitation is greater than it can infiltrate, or soak, into the soil. Runoff also occurs when the soil is saturated. Runoff remains on the surface and flows into streams, rivers, and eventually large bodies such as lakes or the ocean.

Movement of this storm water(rainwater) across the soil causes erosion. It can also carry and deposit untreated pollutants, such as sediment, nutrients and pesticides, into surface-water bodies.

Impervious surfaces such as driveways, sidewalks, parking lots and streets block rainfall and other precipitation from infiltrating naturally into the ground, leading to even more stormwater and potential pollutant runoff.

Most of the world water problems such as flooding, drought, water pollution, water shortage are all related to rainwater. Due to climate change and urbanization, water  problems are increasing throughout the world in both developing and developed countries. By proper rainwater management, we can reduce the risk of such problems and enhance the resilience.

Storm water (Rainwater) management solutions are techniques used to reduce rainwater runoff from causing damages, flooding and dispersing pollutants. Stormwater management involves detaining, retaining, or providing a discharge point for rainwater to be reused or infiltrated into the groundwater

One of the solutions designed to manage storm water (rainwater) is Rainwater Harvesting. Rainwater Harvesting (RWH) offers a small-scale best management practice to reduce stormwater runoff and the problems associated with it. By harvesting the rainfall and storing it for later use or direct groundwater recharge, water is slowly released back into the soil and then moves into groundwater table, providing a steady supply of water to local streams and river. 

Rainwater harvesting can be used to achieve a source control of rainwater, as it significantly reduces the peak flow and volume of rainwater runoff. 

Collecting and Using rainwater strengthens the hydrological  cycle, reduces storm water runoff and limit the demand for water from well, lakes, reservoirs and rivers. It’s a self-sufficient renewable water source that eliminates the need to rely on water treated with chemicals.


  • Landscaping
  • In-home Use
  • Fire protection
  • Agriculture
  • Industrial

Other Storm water (Rainwater) management Solutions

  • Green Roofs
  • Permeable Surfaces
  • Rain Gardens
  • Silt Removal
  • Swales
  • Infiltration Trench
  • Soakaway
  • Bioretention
  • Ponds
  • Wetlands
  • Detention Basins
  • Infiltration Basins
  • Geocellular /Modular Systems

Read more about these solutions in our coming posts or call +2348158942188 to discuss any of these solutions