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La Lo

L Flashing

Continuous metal flashing consisting t of non-corrosive metal. Used at horizontal walls, bent to resemble an “L”...

Laminate Shingles

Shingles made from two pieces that are laminated together. Also known as dimensional shingles or architectural...

Laps

The area where roll roofing or rolled underlayments overlap one another during application (see also side laps and end...

Louvers

Slats or strips to allow air to flow through, is installed in a gable or soffit vents to ventilate the space below a roof deck and equalize air temperature and...

Low Slope Application

Method of installing asphalt shingles and underlayment on roof slopes ranging from 2” to less than 4” per foot. Roof pitches less than 4/12 are considered low sloped...