Woven closed cut and open.
Roofing terms valley.
The valley flashing is not exposed.
Water flows to the valleys of your roof the same way.
The internal angle formed by the intersection of two sloping roof planes to provide water runoff.
Water collects in a valley to flow off the roof.
Trim that goes on this area is called valley trim.
Saturant asphalt used to impregnate felt for waterproofing and strength.
Your roofing contractor will probably recommend installing special underlayment and flashing materials that you won t see on other parts of the roof.
Your choice of valley installation method is critical because when improperly installed valleys are risks for serious leaks.
As a licenced roofing contractor and president of joel s roofing rain gutter co inc joel grusinski feels strongly in the importance of making an educated decision when it comes to repairing or replacing your roof.
Roofing terms you should know.
Trim that goes on this area is called valley trim.
The following is a comprehensive list of roofing terms posted for your knowledge and benefit.
A method of valley treatment in which shingles from one side of the valley extend across the valley while shingles from the other side are trimmed 2 from the valley centerline.
Open valley valley in which metal is used and roofing material does not cover entire valley area as in a closed valley.
Familiarizing yourself with this list of roofing terms may help you communicate a little better with your.
A roof valley is formed where two roof slopes meet.
For this reason roof valleys are one of the first places where water will penetrate in a failing roof.
Seal down a factory applied asphalt strip used to bond a shingle to the one above.
A method of valley construction in which shingles or roofing from both sides of the valley extend across the valley and are woven together by overlapping alternate courses as they are applied.
Essentially there are three main ways to shingle a roof valley.