How To Roof A Steep Slope

The slope or pitch of the roof is determined by the vertical rise in inches for every horizontal twelve inch 12 length called the run.

How to roof a steep slope.

So if your roof rises 4 inches for every 12 inches of horizontal length then the pitch of your roof is expressed as 4 12. Thus pitch is typically greater in areas of high rain or snowfall. If the fall is 1 inch over a 12 inch span the roof pitch is 1 12. Arctan 3 12 14 0 the primary purpose of pitching a roof is to redirect water and snow.

Roof pitch is the measurement of roof steepness. The way pitch also known as roof slope is measured is rise over run. 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 slope of a roof often referred to as the pitch is determined by rise over run the roof s vertical rise in inches for every twelve inches of horizontal length the run.

The exact roof slope in degrees is given by the arctangent. So a roof with four inches of rise every 12 inches horizontally run would have a slope of 4 12 sometimes displayed as 4 12. If you happen to have an extremely steep roof you will have an even greater challenge. Steep slope roofing the slope of a roof is often referred to as the pitch.

A ratio is the most common way of expressing roof pitch or roof slope but degrees are also possible. How to measure roof slope the pitch of a roof is determined by the degree of fall over the span of 12 inches and a number is assigned to it for reference. Or run the epdm membrane up the roof and keep shingles off the bottom portion. Steep to low slope transitions need membrane that runs 12 14 inches up the steep roof.

It isn t hard as long as you are careful take your time do it right and be safe. The a frame style roof shown just above located on highway 61 just south of hovland minnesota is built at a 75 angle and is considered a very steep roof. Probably no home improvement is as tough yet satisfying as re roofing your house yourself.