How To Slope Existing Roof

Also the appearance of a flat roof may not be desirable for a residential home.

How to slope existing roof.

How to join into a sloped roof. Attaching near the eaves the. If you prefer the look of shingles over tar a pitched roof may also be an option for you. First measure 12 inches from one end of the level and make a mark.

Sometimes we need to know our existing roof pitch to install new roofing material or for building inspection. Go on your roof and put one corner of the level on your roof then bring it up so it is level with the earth. Where new construction meets an existing sloped roof the geometry of the roof framing can be a daunting mathematical puzzle. Replacing a roof can be expensive but if a roof contains only a small slope it s possible to raise the roof pitch of a house by building a roof over the old one.

Now measure vertically from the 12 inch mark on the level straight up to the underside of the rafter as illustrated. For example if your roof rises 7 inches for every 12 inches of horizontal run then your roof has a 7 in 12 pitch. This new roof with a higher pitch can be accomplished with premade roof trusses and typical asphalt shingles. Rather than a single slope a gable roof consists of two slopes that meet at a peak running down the middle of the roof.

Attaching patio cover existing roof attaching patio cover existing roof 16. The standard pitch of most residential roofs ranges between 4 in 12 and 9 in 12. A flat roof can often have pooling water that can lead to leaks. Working from the interior side of the roof you ll need access to a roof rafter to measure the pitch.

Attaching girder truss existing roof building attaching girder truss existing roof building 17. Here are a few methods to easily find the roof slope on your existing shed. Attach patio roof existing house 15. Tying patio roof into existing house carpentry tying patio roof into existing house carpentry 18.

In any case the structure that the shed roof is leaning on is an existing roof typically a gable roof with a ridge and a steeper slope than that of the shed roof. Pitching a flat roof can let you add an attic or second floor with slanted ceilings. Using 48 carpenters level and measuring tape. Calculating roof slope is done by calculating the number of inches your roof slope rises vertically for every 12 inches it extends horizontally.

If you need to find the pitch of an existing roof all you need is a level and a tape measure. Things can green your existing roof general. Place the level horizontally along the rafter until it contacts the roof sheathing avoiding any protruding roof nails.