How To Shingle A 12 12 Pitch Roof

Butt a full shingle up against the cut shingle and nail into place.

How to shingle a 12 12 pitch roof.

Start by laying asphalt felt or other underlayment over the roof. That works out to about nine degrees if that works better for you. With that as background you are now ready to estimate how many shingles you will purchase for your roof project. If you live in an area with inclement weather you should consider using a special ice and water protector.

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. This measurement is best done on a bare roof because curled up roofing shingles will impair your measurement. The 2 12 number is rise over run or two units of vertical for every 12 units horizontal. Repeat this basic pattern alternating shingles across the roof working toward the right side using the chalk line to keep the shingles straight horizontally.

Use 4 nails per shingle and 6 nails on the prevailing windward sides of the roof as wind resistance nailing. Using your staple gun secure the felt to the roof. This roof shingle calculator requires four basic inputs. The minimum requirement is 2 12.

Install new flashing metal. Understand the physics of how a sloped shingle roof works. There are also 29 standard sized shingles measuring 12 inches by 36 inches in each one of these. Overlap each row at least 3 to 4 inches.

Asphalt shingles continue to be the most widely installed roof covering option in north america. 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. Shingles of all types need to have a slope to function properly. The short simple answer is 2 12 has traditionally been considered the absolute minimum acceptable roof slope suitable for asphalt shingles.

Enjoy the videos and music you love upload original content and share it all with friends family and the world on youtube. In the dictionary to shingle is. Roof length measured in feet roof width measured in feet roof pitch.