How to Stop a Leaking Roof During Heavy Rains


If you have noticed that your home's roof is beginning to leak during heavy rainfall, it is time to repair your roof's shingles. A leaking roof is typically caused by asphalt shingles that have cracked and allow water to seep under their protection and into the material below. Quickly repair the shingles and stop the leaks with a simple roofing sealant and basic application process.

Things You'll Need

  • Pry bar
  • Caulking gun
  • Roofing sealant
  • Putty knife
  • Shingle particles
  • Identify the cracked shingles on your roof. These are often easy to locate as they may be lifting up from the roof and slightly curled around the edges.

  • Slide a pry bar underneath any cracked shingles and pry the shingles upwards to gain access to the surface underneath it.

  • Take note of the size and length of the crack on the shingle and place a bead of roofing sealant underneath the shingle, which will mimic the size and length of the crack.

  • Slide the pry bar out from under the shingle and press your hands down on top of the shingle to bond the roofing sealant to the underside of the crack.

  • Apply roofing sealant on the crack on the top of the shingle and use a putty knife to smooth the sealant even with the shingle.

Tips & Warnings

  • You can often find shingle granules in the the home's gutters. These can be dropped onto the shingle to hide the repair sealant.

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  • "The Old House Handbook: The Essential Guide to Care and Repair"; Roger Hunt; 2008
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