If the water stain occurs after a period of snow for example this can indicate the formation of an ice dam which requires upgrading your insulation not your roofing.
Marking soft spots roof.
This spongy spot on your roof is a sign that you need to get your roof fixed at the soonest time possible.
This is an indication that the layer below the shingle is soaked in water and is probably in need of fixing or replacing.
One of the most common questions we receive here at american standard roofing is about roof soft spots usually after a weather change.
Soft spots on flat roofs are often a result of pooling water.
One of the things you have to look for is the soft spots on your roof.
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Unless you have truly horrendous ventilation problems rot is probably not the cause.
The roofer can also check out the rest of the roof for any other potential problems which may cause new soft spots in the future.
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A soft spot on a roof can cause a leaky roof and structural damage to your home.
What can be done about soft spots.
That dip in the roof with a soft spot is indicative of the fact that you should have your roof repaired asap.
Blue green algae is usually what the black spots are however depending on the age of the roof sometimes the loss of granules also shows black streaking which can be a sign that the roof is nearing the time for replacement.
There can be other sources of water seepage from your roof other than a leak.
That dip in the roof with a soft spot indicates that you should have your roof repaired asap.
The reason for these soft spots is that the layer underneath is probably very soaked due to gaps in the shingles cause over time and weather changes and the water is seeping through the sheeting.
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Fortunately if your roof is still fairly young you can just repair these spots.
Get into the attic and look at the underside of those soft spots.
This can be a result of the plywood sheeting becoming wet from rain above or from moisture not being able to escape from below and leading to mold mildew growth on the wood.
Soft spots don t go away they get worst.
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Black spots on the roof usually form do on the northern facing side of the home because it has less direct exposure to sun light.
Most roofs have plywood sheeting underneath the roofing tiles or shingles.
Homeowners that live in areas that are prone to extreme winters and storm seasons need to call a professional to help fix their roof s soft spot.
Over the period of manufacturer s designated roof lifetime of 25 to 30 years that plywood is exposed to heat in the summers heavy rains and the winter weather and cold dampness it brings.
If the rest of the roof is in good shape then a roofer can come over and replace the worn out areas.
If you can tell there s a soft spot on your roof this most likely means that the substrate below the roofing material is damaged and deteriorating.
These soft spots usually form when the layer underneath gets soaked due to gaps in the shingles.
For water stains coming from your roof you ll need to identify the nature of the disrepair.