How To Install Roof Decking

This video shows how some roofs fail under heavy winds in uplift situations.

How to install roof decking.

Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. For vaulted or cathedral roof construction provide a free ventilation path from eaves to ridge between all rafters. This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. Be sure the larger edge is laid so that the small edge of the next panel will overlap it.

One of our readers rune eriksen sent us photos of his design for a home built deck drainage system and we were impressed enough to check it out. Convert the space under a second story deck into a dry spacious patio by installing this simple under the deck roof and gutter system. During a hurricane the strength of the sheathing on the roof can greatly impact the homes ability to weather the storm. Align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line.

If you want to install trims to the end rafters the roof decking should overhang about 3 4. Install the roofing screws vertically along each rib in the panel. Fitting the roofing sheets you can see in this image that you need to make a few cuts otherwise the plywood sheets won t fit into place properly. Of roof decking costs 800 2 800 to install depending on the material you choose.

Install baffles providing a minimum of 1 inch of clear space between framing and or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths. Keep these tips in mind when roofing in hurricane areas.