How To Build A Crown Roof

Framing a complex roof is one of the trickiest parts of home building.

How to build a crown roof. This makes the bonnet roof more expensive than other more simple designs. The next one goes on the low side. Examine the rafter board to determine if there is any curve or crown in the board. Start by overlapping a starter from both sides of the valley at the bottom.

You should make this first pattern rafter on the straightest board you can find. Cornice is just a fancy word for the eaves detail at the edge of a building where the roof meets the walls and on most houses it includes the soffit and the fascia. There are several types. Attach the trim to the walls and ceiling using 2 inch finishing nails driven at the studs and joists.

If you begin with accurate as built measurements and use a construction calculator to do the math you can cut all of the rafters for most roofs on the ground in just one shot. If there is any curve in the board lay out the rafter so the crown is up or facing away from you. The complex design requires more building materials and it s more difficult to construct. Sink the heads to just below the wood surface using a nail sink or to make installation easier use a pneumatic nail gun to attach the molding and set the nails automatically.

Weave and cut the valley on the highest side of the roof. Then your first shingle goes on the side you are going to cut. Then draw a line using the roof slope angle. This video will show you how to install roof shingles.

A roof is much more than just the decorative top of a building. This roof valley is a perfect example. You want to lay the shingles from the bottom to the top of the valley. With a crown molding cornice a decorative layer of crown molding is added to the fascia and the roof extends to meet the upper corner of the crown.

Water easily runs off the slopes of the roof and the modified hip structure make it more durable than a gable roof. But it doesn t have to be.