Run Down Roof

Find and fix a leaking roof step 2.

Run down roof.

Turn it upside down so the lip edge faces upwards. Measure the rise of your roof. Let s assume it is equal to 6 m. A roof s slope is the number of inches it rises for every 12 inches of horizontal run a roof with a 4 in 12 slope rises 4 inches for every 12 inches of horizontal run.

The same roof has a 4 12 or 1 3 pitch. Isolate areas when you run the hose. You can install the mesh over old roofing material or insulation. Have your helper stay inside the house waiting for the drip to appear.

Set up an extension ladder so you can climb safely onto the roof. The drainage system of any roof can be located at the edge or in the middle of the roof. If there were no flashing against these walls water could slowly drip into the crevice between the wall and the roof and potentially into the home. Drip edge is available at hardware stores and it is made.

Measure the run length it is the horizontal distance between the roof ridge and the wall of the building. Let the hose run for several minutes in one area before moving it up the roof a little farther. 12 roof repair tips. The total run is the distance from the peak to the edge of the roof which in this case is the total width divided in half which is equal to 10 feet or 120 inches.

Tie the top to the siding or fascia and the bottom to the siding so it can t slip out while you re on the ladder. Spread the mesh pieces side by side overlapping them by about 3 8 in 0 95 cm. The top of the. Water should run down the side of the flashing and be directed to the shingles instead of finding its way into the roof deck.

Then use a utility knife or scissors to trim away the excess so the mesh fits tightly against the roof. Lay fiberglass mesh over the roof and cut it to length. This lets any water that gets on the roof run down the underlayment and over the drip edge. Place a piece of standard metal drip edge onto a table or between a pair of sawhorses.

Since pitch is the rise over a 12 inch run divide the run by 12 to get the multiplier in this case 120 12 10. How water runs off a roof depends on the amount of rainfall and how quickly it needs to drain. Let s say it is equal to 1 5 m. For example soak the downhill side of a chimney first then each side then the top on both sides.