Marking Bad Spots Roof

The algae survive through photosynthesis and by feeding on limestone filler used in asphalt shingles.

Marking bad spots roof.

If you can t see any telltale flow marks and the ceiling stain is fairly small look at the underside of the roof for shiners a shiner is a nail that missed the framing member. This is why roofers are so important because they can fix these problems. Perhaps one of the most visible signs of a bad roof installation is poor shingle alignment. If your roof is older or in bad shape and needs replaced anyway you may want to invest in these copper infused shingles but make sure that you get those that have the best and longest warranty.

Here is a diagnostic guide to types of stains and staining materials found on roof surfaces black red green brown or other coloured stains on asphalt roof shingles or on other roofing materials need first an accurate diagnosis of the stain cause and then proper steps to remove the stain or to prevent future staining on roof shingles surfaces. Moisture that escapes into the cold attic from the rooms below often condenses on cold nails. Using the information you have provided and not visually inspecting the roof the black spots on your roof are more than likely algae. Algae caused marking isn t preventable but can be removed though not always permanently.

As the rain washes over your shingles particles of the copper are dispersed helping the prevention of algae growth. Not only do unsymmetrical shingles decrease your home s aesthetic appeal but they can also allow water to seep in between cracks and ruin the sheathing underneath. 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. Place the new decking board on the roof.

Black marks became a problem about 20 years ago when manufacturers began adding limestone granules to add weight to material used to coat shingles. Shingles should be applied evenly across all areas of a roof. That dip in the roof with a soft spot is indicative of the fact that you should have your roof repaired asap. It just looks really bad and you can even see the exposed part of the house which isn t what you want to have because it can cause leaks in your home.

Mark each hit with chalk so you can accurately determine if there is enough damage to have the homeowner make a claim. I am no professional but if i were to see a bump or something on my roof i would know for sure that something is wrong. Although these dark spots and ugly black streaks on your roof may look like dirt mildew soot or mold what they really are is algae. Most shingle manufacturers use copper or zinc coated granules to aid against the growth of algae.