How To Put A Flat Roof On A Brick Shed

A gable roof for a shed can be built with rafters with a 1 6 ridge board or using trusses.

How to put a flat roof on a brick shed.

Insert 1 5 8 screws to lock the sheets into place every 8 along the rafters. Stack insulation boards on the film top. 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. Front and back roof trims.

Cover your rafter trusses with plywood sheathing. Put down your first sheet of plywood at the corner of one end of the roof. Use 1 8 lumber for the side roof trims. Beginning with the removal of the old roofing felt this.

Joints are sealed with vapor barrier. Attach a board uncut to the settle rafters on which you need to lay a vapor barrier material film construction. Drive a nail into each corner of the plywood to hold it in place temporarily. 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.

This material must be laid across the rafters and overlap. The insulation thickness of 8 inches is laid as a flat carpet. How to build a shed roof step by step. Use 8d nails to secure the trims into place.

Fit the trims to the front and back of the shed roof. The underlayment will not need to be bonded to the roof as this will allow for movement without causing damage to the asphalt. Much depends on the structure size and the desired attic loft or headroom. This video shows a typical flat roof replacement carried out by argyle roofing based in london uk.