How To Shingle A 12 12 Pitch Roof

The 2 12 number is rise over run or two units of vertical for every 12 units horizontal.

How to shingle a 12 12 pitch roof. This roof shingle calculator requires four basic inputs. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally. Overlap each row at least 3 to 4 inches. Shingles of all types need to have a slope to function properly.

With that as background you are now ready to estimate how many shingles you will purchase for your roof project. That works out to about nine degrees if that works better for you. Butt a full shingle up against the cut shingle and nail into place. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Roof length measured in feet roof width measured in feet roof pitch. Use a sturdy extension ladder that extends at least 3 feet above the eaves to climb onto the roof and secure the bottom to the foundation and the top to the eaves or fascia so it doesn t move. The picture below shows the pitch of a 7 12 roof slope meaning that for 12 of horizontal measurement roof run the vertical measurement roof rise is 7. Using your staple gun secure the felt to the roof.

Install new flashing metal. If the roof shingles and all accessory roof components are arranged and overlapped with this in mind the roof should successfully shed water. In the dictionary to shingle is. The minimum requirement is 2 12.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. Asphalt roofing shingles simply rely on the force of gravity to shed water from rain or snow melt.

Asphalt shingles continue to be the most widely installed roof covering option in north america. If you live in an area with inclement weather you should consider using a special ice and water protector. Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing.