In all cases it is important to properly detail and install the edge conditions.
Roof rake edge detail.
Repairs after a storm.
When water runs down the roof it pauses a moment before pouring off.
Always try to carry membrane felts over or up and over and down to ensure the roof membrane will always drain free and clear of any adjacent system.
When this occurs the water may run back under the edge of the shingles often wetting the roof deck.
Learn about perimeter edge metal.
The rake edge should be installed at the rakes above the underlay of the roof.
Get to know more about one of the most popular commercial roofing systems.
Repairing your roof.
Installing the rake edge in this position closes off the edges of the underlayment specifically.
The rake of a roof is the outer edge that runs from the eave to the ridge or peak of the roof.
It is typically perpendicular to the eave.
Repairing your roof repairing your roof.
Use larger rake boards such as 1 by 4 inch and 1 by 6 inch when there isn t an eave overhang on the gable end.
One by 2 inch rake boards often cover the exposed top edge of the siding when there also is an eave overhang on the gable end.
This is done to seal the edges of the roof and to protect the roof s components from wind driven rain.
When replacing shingles on a roof or constructing a new roof it is important to give proper consideration to flashing details on the drip and rake edges.