The reason for this is that whenever rain runs down any type of roof when it gets to the lower edge it clings to the tile or slate by capilliary action this means that the water actually runs around the bottom edge and slightlly back up the rear of the tile before gravity allows it to drop into the gutter.
How much overhang to not need a gutter for roof.
With some roof types there s no need for gutters.
Most roofing contractors recommend some method to prevent ice dams on metal roofs.
Continue reading to learn more about the key factors to consider when deciding if your home will have gutters or no gutters.
As a matter of fact long island gets a lot of rain which make gutters a pretty safe and smart investment.
Steeper pitched metal roofs typically do not require much overhang because snow and ice slides off the smooth surface so easily.
In our local area metro jackson ms the typical overhang is about 12.
Here phil explains how much overhang a roof should have at the gutter.
We ve seen other references that suggest extending the shingles a bit more than the manufacturers suggest to compensate for wavy eaves but they do not.
Which will produce heavy streams of water but should not leak.
Improperly installed gutters may splash these boards during rainstorms causing them to rot.
Shingle manufacturers say to use a 1 4 to 3 8 inch shingle overhang over the eave where your roof ends.
Simply put this is faulty installation where the shingles extend too far over the edge of the roof or are too close to the edge.
These boards are one by six inches and support the roof s overhang.
When a roofer advises against installing a gutter you should ask for specific reasons.
Wide overhangs will protect your home s exterior wall better than a short overhang or no overhang at all.
Too little overhang and the water can leak through into fascia boards.
How wide is your roof overhang how far does the roof overhang the siding brick.
You need an overhang of at least 10 inches or so so water will drip.
Too much and the shingles can blow off.
For most residents throughout the long island area however the first scenario is a big problem.
Many roofers claim that having a gutter will ruin the facial boards of your roof.