Cover your rafter trusses with plywood sheathing.
How to put a flat roof on a brick shed.
How to build a shed roof step by step.
Use 8d nails to secure the trims into place.
Insert 1 5 8 screws to lock the sheets into place every 8 along the rafters.
Much depends on the structure size and the desired attic loft or headroom.
Put down your first sheet of plywood at the corner of one end of the roof.
Front and back roof trims.
Joints are sealed with vapor barrier.
Fit the trims to the front and back of the shed roof.
Stack insulation boards on the film top.
Building installing roof rafters.
Beginning with the removal of the old roofing felt this.
The insulation thickness of 8 inches is laid as a flat carpet.
This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.
This material must be laid across the rafters and overlap.
Start at one end of the storage shed roof and lay the underlayment material onto the flat roof surface making sure that there are about 2 inches extra on either end to hang over the edges of the shed s flat roof.
The underlayment will not need to be bonded to the roof as this will allow for movement without causing damage to the asphalt.
Attach a board uncut to the settle rafters on which you need to lay a vapor barrier material film construction.
A simple gable shed roof is often built using 2 4 or 2 6 lumber for the rafters and 2 4 for the collar ties.
Drive a nail into each corner of the plywood to hold it in place temporarily.
Fitting the roofing 10 12 flat roof shed.