To create a roof sweep, add roof by footprint and remove slope definition from inner boundary lines. Cut roof openings as in previous example.ġ4. For remaining mono pitches repeat same process, and either use a slope arrow or add a slope to one of the perimeter roof boundary lines. For mono pitch dormers repeat the process, but remove slope definition and instead add a slope arrow, which can be further defined in properties.ġ3. Pick roof/wall edges and trim corners of model lines.ġ2. Use Join/Unjoin Roof function in Geometry tab and select both main roof and dormer roof – then create a dormer opening for the main roof. To make a double pitch dormer roof, create roof by footprint at corresponding level, untick slope parameter for gable end boundary line, connect corners, draw a new line at the back and switch off slope parameter, and attach gable end wall to roof.ġ1. You can also create walls at the relevant attic level and attach them.ġ0. Select walls from lower levels and attach to roof. Rafter Cut type, Slope and Constraint parameters can be changed.ĩ. Remove slopes where gable ends are desired (untick ‘define slopes’).Ĩ. Add slope arrows for each boundary line pointing to each other.ħ. For triangular dormers add one boundary line for each slope of dormer.ĥ. Add roof by footprint by selecting external walls.Ĥ. Prepare walls and levels for entire house.ģ. Roof pitches can be manually adjusted using grab handles.Ģ. To achieve these more complex shapes, again, follow the steps given in the first example and adjust some settings.ġ. In the next example we will see how dormers, mono pitches, and double-pitch gable end roof types can be modeled using the ‘Roof by Footprint’ function. Select multiple walls and use Attach Top/Base function. Wall can be attached to follow roof line.Ĥ. Define overhangs and switch off slope parameter for gable end roof boundary lines.ģ. Roof slope may be adjusted using grab handles.įor a different variation of a hip roof, follow the same steps given above and adjust a few parameters as shown below.ġ. Each boundary line can be edited individually.Ĥ. Define roof parameters like overhangs, slopes, offset from level, rafter cutĢ.Use Pick Walls tools and hover over a wall – press tab to select all joined perimeter walls.Choose a relevant level for a bottom face of the roof.In Architecture tab select Roof – Roof by Footprint tool and choose desired roof type.Have your perimeter walls and levels ready.Define roof parameters like overhangs, slopes, offset from level, rafter cutĦ. Use Pick Walls tools and hover over a wall – press tab to select all joined perimeter wallsĥ. Choose a relevant level for a bottom face of the roofĤ. In Architecture tab select Roof – Roof by Footprint tool and choose desired roof typeģ. Have your perimeter walls and levels readyĢ. To create a simple hip roof with the ‘Roof by Footprint’ tool, follow the steps below.ġ. Other ways of creating roofs are 3D massing using the ‘Roof by Face’ tool, which allows you to come up with a greater variety of complex roof designs, and In-Place Massing or Mass Families, which allows you to design irregular roofs and tensile roof structures.įor now, we’ll focus on some of the more common roof types used for small-scale residential, commercial, and industrial projects. Some key principles, however, can help model quite a few roofs simply by using Revit’s ‘Roof by Footprint’ tool.įor more complex roof profile shapes, ‘Roof by Extrusion’ is typically used, which we will cover in future articles. Creating exact roof geometry and size for a new build or modeling an existing roof to given dimensions is not always straightforward. Designing roofs in Revit can pose certain difficulties particularly for users less familiar with roof modeling tools.
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