How To Build A Pitched Roof Over A Porch
I show how i construct it showning in detail how to do the lead flashing.
How to build a pitched roof over a porch. Together the beams will make a frame. The rafter pitch angle. In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot. An essential part of planning a patio roof or gazebo project is determining the number size and spacing of rafters beams and posts according to the loads they will carry.
Maximum rafter spans for a patio roof. When you nail in the second boards offset the seams of the upper and lower layers by at least 24 in 61 cm. For heavy roofs or in. Do not attach the header directly to a house cantilever.
Nail the first boards on top of your wall where you plan to build your roof. Collar ties are horizontal braces that can be installed between opposite rafters to add strength and lateral stability. Use a speed square to mark and cut your rafter angle to the roof pitch. Adding a covered porch adds exterior space to a house and providing a.
Install the fascia board on this frame and nail it accurately. This is part two of the porch build where i am doing the roof. From gable and shed roofs to hip and flat our information about how to build a porch roof will make the job easy. Nail 2 boards onto your walls as top plates.
This board will support the rafters. Start here if you re building a roof over a patio or deck. This article discusses strategies for building over an existing slab patio or over a deck and offers links to articles about the specific tasks such as pouring the footings raising posts and so forth. Use 8 penny nails to attach the first 2 in 4 in 5 1 cm 10 2 cm board to the wall studs.
Put it between fascia board and roofing material and fix with nails. Flash and bolt the ledger board in place to the house wall. A roof protects a house and porch from snow and rain as well as the heat of the sun. Porch roof construction includes not only porch roof construction types and designs but also the selection of materials and considerations you ll need to build your roof.
On the header side the rafters are typically notched with a birdsmouth over the top of the header or top plate of the porch wall. Attach the header to the support post next to the house. Use plywood to insulate your porch roof.