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Sat, May 31st - 4:49AM


Gutters and Downspouts

Most home today have gutters and downspouts, steel roofs are an exception as they have a different set of problems. Maintaining your gutters and downspouts is very important because these are the single biggest cause of wet and damp foundations for most homes. On older home, and sometimes even on new homes there are problems that are found with the roof drainage system. Some of the most common problems that I encounter are; missing extensions, poor grading, and soil erosion. The average home owner is totally unaware of the sheer volume of water that can be directed onto their home by these minor little problems.

The average roof will collect just under 5,000 Gallons or 18,000 Liters, this water is directed by your downspouts to the ground level of your home. As you can see if your surface water is not directed away from your home, is it any wonder there are problems with damp or wet basements.

Some people have started collecting the roof water and utilize it for water gardening and lawn watering.

Common Problems for Gutters

Missing - Can cause dampness in basement, deterioration to cladding and damage to landscaping
Undersized - Likely to clog with twigs and leaves, water can overshoot undersized gutters
Leaking - Check at seams, end caps and any change of direction
Loose - Will allow water to run behind gutter which can damage soffit, fascia, wall systems and foundations
Damaged - Look for evidence of mechanical damage, from ladders, trees or forces of nature
Clogged - Usually at downspouts and is usually the result of lack of maintenance
Improper Slope - Typical drop of one inch over the run of 17 feet is normal

Downspouts

Downspouts typically have the same problems as gutter except the added concern of where they discharge to. A missing downspout is more serious than a missing gutter because the water is more concentrated at the downspout area and all the water is directed towards foundation and may cause considerable damage to walls etc.

Upper roof gutters with missing downspouts can cause considerable damage to lower roofs if allowed to fall directly onto shingles. This will definately lead to early shingle failure and should be an item of concern for the homeowner.

The number of downspouts is roughly calculated at one downspout for every 35 feet of gutter length. It is recommended for downspouts to discharge is 6 feet from building and the ideal slope is an inch per foot for proper drainage.

Underground drains are common and are more pleasing to the eye than a six foot piece of downspout extension laying across your lawn. Most people run these over when cutting grass and either crush them or disconnect them, making them totally useless.  The disadvantages of using drains is that they can stop functioning for quite some time before the homeowner is made aware. The ground can become saturated causing dampness through foundation walls etc.

Personally, with our Canadian climate I always recommend adding a Tee above entry into drainage tile. This allows water to drain away even if drainage line freezes.

If you have any questions regarding your home and would like a professional opinion, please feel free to email me your question at  barriehomeinspector@sympatico.ca or post a message on my forum at http://www.napoleon.cc/forum  for an expert opinion.

Napoleon Home Inspections is the only company with a Fair Pricing Policy saving you money.

The Barrie Home Inspector offers a no questions asked Money-Back guarantee if not 100% satisfied, we stand behind our service.


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