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How to Replace Damaged or Missing Asphalt Roofing Shingles:

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A lot of people wondered if replacing an asphalt shingles a tough job – let me tell you about hardest part that the entire job is getting on and off the ladder.

To replace an asphalt shingle all you are a couple simple tools: you need two different size pry-bars and a hammer. Also it’s a good idea to get a tube of roof cement or roof caulking.

Now what are you going to do with those – you’re going to pull out the nails that the roofer first put in to hold the shingles in place. Here’s what you got to know. There are more than four nails that generally penetrate the shingle. You’ve got the original four nails that the roofer used to hold shingle in place, but when he put the shingle above it, four of those nails from the next up shingle, penetrated the top edge of the shingle you’re trying to replace. You need to use the pry-bar to get those nails out.

Here’s what you need to do to replace a damaged roofing shingle.



Go ahead and lift up the tabs of the shingles just above the single you’re trying to replace. You will immediately see the nails – use the pry bar to remove those nails. Then lift the next row of tabs up, remove those nails temporarily so that you can slide the shingle that is damaged, out of the roof. Slide the new shingle in place, put in all the mails in you are done. Put back all the nails that you removed from the shingles above.

If you’ve damaged a shingle, while trying to lift up the tabs (sometimes tabs get stuck to the shingle below it, and it is especially difficult to lift up tabs when it’s over 80 degrees outside), or if you damaged a shingle while trying to pull out nails with pry-bar, you will need to put nails into a different spot on the shingle (on the same horizontal line) and seal the nail holes with roof cement. It is also a good idea to seal between the tabs you lifted and a shingle below, as you disturbed the seal strip, and tabs will probably not stick back to the shingle below it. That’s it – removing and replacing roofing shingles is one of the easiest types of roof repair.

Before attempting any roof repair we recommend that you give a good thought about roof safety. First, get a ladder stabilizer bar, which costs only 20 bucks at Home Depot or Lowe’s. Ladder stabilizer bar will prevent your ladder from sliding left or right, and will make it much easier for you to get on and off the roof. Place the ends of stabilizer bar into a gutter, for maximum ladder stability.

You should also consider that if your roof is too steep, it might be a good idea to hire a roofing contractor, instead of attempting the repair yourself. Otherwise you would need to use roofing fall protection system, build and install rows of roof jacks and staging, and still risk the fall.

Stay tuned for more roof repair tips and how-to guides.

NOTE: All information provided here is for reference only! We do not take any responsibility for any injuries of damages.

Written by Roof Repair 101

September 23rd, 2012 at 9:01 pm

Posted in Uncategorized