Shallow Pitched Roof Construction

Where the metal roof panel functions as the roof deck and roof covering and it provides both weather protection and support for loads the structural metal panel roof system shall comply with this section.

Shallow pitched roof construction.

Structural through fastened metal panel roof systems shall be tested in accordance. Roof reinforcement due to the challenges that low pitch roof systems face low pitch roof design should have necessary reinforcement. Most roof coverings can be applied on roofs as shallow as 2 12 as long as a fully waterproof membrane is installed over the decking. My personal favorite pitch for a roof is a 5 and 12.

Click to enlarge any image or table in this case the finish roofing material whether asphalt shingles wood or tile functions mainly as a decorative element but also helps protect the underlying membrane from uv radiation and physical damage. Low slope or flat roofs should not be roofed with asphalt shingles because it is much easier for water to infiltrate the roofing material on a roof with a shallow pitch. Hence this is one of the basic components of this kind of roof. Roofs with extreme pitches either low or steep are inappropriate for certain roofing materials.

They hava a pitch that can be as high as 21 12 175. They are the easiest ones to construct and they are safe to walk on. We offer a wide range of sizes styles and finishes including our exterior column mounts lighting fixture. For over 28 years old california lighting has been a leader in american made handcrafted bungalow craftsman and cottage lighting fixtures.

This pitch sheds water well but is not too steep you can still have good roof overhangs to protect the building and the roof is just shallow enough in pitch that you can walk on the roof to service it. In fact a properly installed metal roof can be used on roofs as shallow as 1 2 inch 12 inches which is almost flat. Low pitched roofs have the pitch below 4 12 33 3. Roof pitches with lower angles such as 1 12 up to 3 12 are found in more urban contemporary style houses and in industrial buildings and shacks.

Watch out for complex roof lines. How roof pitch determines suitable roofing systems. Metal roofing made of steel and copper are ideal for shallow pitched roofs. Conventional roofs have the pitch ranging from 4 12 to 9 12 33 3 to 75.

High pitched roofs often require additional fasteners. Structural standing seam metal panel roof systems shall be tested in accordance with astm e1592 or fm 4474. The flat roofing materials most appropriate to these shallow sloped roofs include. The reinforcement adds strength makes the roof system more resistant and increases the dimensional stability of the membranes.

These are generally difficult in maintenance as they require special materials to avoid leaks. Roofs steeper than 5 and 12 are difficult to walk on. Flat and nearly flat roofs a pitch of 1 in 12 or 2 in 12 cannot be covered with shingles or shakes of any material since there is not enough angle to combat the danger of blow off.