How to Build a Sloped Roof

- Roof pitch refers to the angle of inclination of the roof. Calculate the roof pitch by dividing the vertical height of the roof (ridge height) by the horizontal span (distance from the ridge to the eave).

Step 2: Frame Roof Structure

- Construct the roof structure by building trusses or rafters. Trusses are pre-assembled structural elements, while rafters are individual roof framing members that are installed on top of the walls.

Step 3: Install Rafter Ties

- Rafters should be properly secured using rafter ties. This will prevent them from spreading and maintain the integrity of the roof.

Step 4: Install Sheathing

- Cover the rafters with sheathing boards (such as plywood or oriented strand board). These boards provide a smooth surface for installing roofing materials.

Step 5: Install Drip Edge

- To prevent water from seeping under the roof, install a drip edge along the eaves (lower edges of the roof). This will channel water away from the house.

Step 6: Install Underlayment

- Apply a layer of underlayment over the sheathing. Underlayment acts as a secondary water barrier and adds an extra layer of protection against moisture.

Step 7: Install Flashing

- Install flashing around chimneys, vents, and valleys (where two roof surfaces meet) to prevent water from leaking into these areas.

Step 8: Install Roofing Material

- Finally, install the chosen roofing material, such as asphalt shingles, metal roofing, or tiles, according to the manufacturer's instructions.

Remember, building a sloped roof requires careful planning, proper materials, and attention to weather conditions. If you are not confident in your abilities, it's best to hire experienced contractors to ensure the safety and quality of your roof construction.