TERMS & DEFINITION Flashcards
BUTT
THE LARGER EXPOSED END OF SHINGLE
DECK
PLYWOOD OR OSB SHEATHING USED AS A BASE FOR SECUREING ROOFING MATERIALS.
DRIP EDGE
AN L SHAPED METAL STRIP POSITIONED ALONG A ROOFS EDGES TO ALLOW WATER TO RUN OFF ROOF WITHOUT RUNNING DOWN EAVES OR SIDING.
EAVE
ON A SLOPED ROOF, THE HORIZONTAL UNDERSIDE THAT PROJECTS OUT FROM HOUSE WALL.
EXPOSURE
THE PART OF A SHINGLE THAT IS EXPOSED TO THE WEATHER USUALLY LESS THAN HALF ITS ACTUAL LENGTH.
FELT OR UNDERLAYMENT
ASPHALT IMPREGNATED ROOFING PAPER THAT CREATES A SECONDARY, WATERTIGHT BARRIER BETWEEN MANY ROOFING PRODUCTS AND THE ROOF DECK.
FLASHING
METAL PIECES THAT KEEP WATER FROM SEEPING INTO INTERSECTION SUCH AS VALLEY’S OR JOINTS AT VERTICAL WALLS OR AROUND ROOF PENETRATION SUCH AS CHIMNEYS OR VENT PIPES.
PITCH
ROOF SLOPE EXPRESSED AS THE RATIO OF A ROOFS RISE TO EACH FOOT OF RUN.
RAFTERS
THE FRAMEWORK THAT SUPPORTS THE ROOF DECK AND ROOFING. ON A SLOPED ROOF THESE ARE THE ANGLED TIMBERS ON THE UNDERSIDE.
RAKE
THE SLOPED EDGE OF A ROOF OVER A WALL.
RIDGE
THE PEAK WHERE TWO SLOPED ROOF SECTIONS MEET.
SQUARE
A MEASUREMENT OF ROOF AREA THAT EQUALS 100 SQUARE FEET. 10’X10’
VALLEY
THE ANGLE FORMED WHERE TWO SLOPING ROOF SURFACES INTERSECT.