Leaky Roof Repair

Help Around the House : Episode ARH-306 -- More Projects »
PHOTO
Home repair expert shows Henry Harrison helps a guest take care of a leaky roof by replacing some shingles. They put on safety harnesses and get to work, and also seal a crack in the chimney boot while they're at it. On his elbow grease scale of one to four, Harrison gives this job a two.

Tools:

moving pad
hammer
5-in-1 painter's tool
pry bar
caulking gun
towels
safety harness
safety line
gloves
safety glasses
shingles
roofing nails
roofing sealant

Steps:

1. Before starting put on the safety harness, glasses and gloves. Place a furniture pad on the roof to cushion your knees. Secure the rope to your safety harness so you don't go tumbling off the roof.

PHOTO

Figure A
PHOTO

Figure B
2. Remove the damaged shingles. Carefully slide a pry bar under the damaged shingles and lift just enough to get the head of the roofing nails exposed. Then pry the nails out from the top (figure A). Remove damaged shingles.

3. In this case there was also a crack in the chimney boot, and the boot wasn't properly sealed. Carefully pry the nails out of the affected area of the chimney boot. Lift up the edge of the boot and clean out any debris using a towel (figure B).

PHOTO

Figure C
PHOTO

Figure D
PHOTO

Figure E
4. Load up a caulk gun with tube of roofing sealant. Cover nail heads under the chimney boot, then run a nice fat bead of sealant around the edge of the boot (figure C).

5. Drive roofing nails into existing holes in boot (figure D), then cover each nail head with a dab of roofing sealant. Spread the sealant out with the painter's tool.

6. Before installing a new shingle or shingles, run a bead of sealant along the chimney boot and across the existing shingles (figure E).

PHOTO

Figure F
PHOTO

Figure G
PHOTO

Figure H
7. Slide the new shingles into place and line it up with existing shingles (figure F).

8. Secure the shingle with roofing nails. To avoid damaging existing shingles, use the pry bar to hammer in the nails so you don't have to pull the existing shingles up too far. Just place the prybar on the nail and tap the bar with the hammer to drive in the nail (figure G).

9. Run a generous bead of sealant around the chimney boot to provide extra protection (figure H).