![]() Membrane:Ī waterproofing component of a roof that is usually made of a flexible material such as rubber, thermoplastic or modified bitumen. The lower slope is at a steeper angle than the upper and often contains dormer windows. The section of the metal panel that measures the highest vertical distance from the flat of the profile Mansard Roof:Ī four-sided gambrel-style hip roof characterized by two slopes on each of its sides. ![]() The interior layer of a double skin roof or wall that acts as the air and vapour barrier as well as create an aesthetic interior finish Major Rib: Roof, pent roof, shed roof or skillion roof)Ī roof with one slope that is built against a higher wall Liner Sheet: Lean-to Roof: (Also known as mono-pitched Usually installed in the soffit or along the eaves, the intake ventilationĪllows for cool air to enter the attic space, driving warm, moist air out of the exhaust vents. It is also best practice to install an ice and water shield layer over the decking and under the metal roofing to prevent leaks from excessive snow melt. The best way to prevent ice dams is to ventilate the roof properly, so it doesn’t warm the snow on top. What forms when snow on the roof melts, runs down to the overhang and freezes. Hip Roof:Ī type of roof where all four sides slope downwards to the walls at the same pitch. Girt:Ī horizontal structural part within a framed wall that provides lateral support to the cladding primarily to resist wind. The lower plane has a steeper slope than the upper. Gambrel Roof:Īlso known as a “Dutch Roof”, a gambrel roof contains two sloping planes of different pitches on each side of the ridge. Two roof sections slope in opposite directions and meet at the ridge. The classic, most commonly occurring roof shape in cold parts of the world. The triangle part of the wall that is between the edges of intersecting sloped roofs. Places (ex: chimneys, valleys, dormers, vent pipes, walls, etc.) Gable: Thin pieces of trim installed around joints, intersections or protrusions in a roof that prevent water from seeping in at those Cuts are made with snips, shears and blades. Felt:Ī protective layer made to breathe yet repel water that is installed underneath the final roof layer Field Cut:Ī cut made to material ‘in the field’ as opposed to where it was manufactured. Fascia:Ī vertical band under a roof edge that is visible from ground level. The joints overlap to prevent water leakage. The overlapping edge of one piece of a panel or flashing ends, and another starts. The lower horizontal edge of the roof that overhangs the face of a wall, it is the typical location of soffit. Metal trims, usually shaped like an “L” installed at the edges of a roof to allow water run-off to drip away from the fascia and into the gutter. ![]() The two most common types of decking are plywood and OSB (oriented Strand Board) Dormer:Ī roofed structure that typically contains a framed window that protrudes from the plane of a sloped roof. The material between the supporting structural components (trusses and joists) and the roofing material. This material helps to keep dust, water and insects from getting into the structure Cricket:Ī ridge structure designed to divert water, ice and snow around the high side of a chimney Deck/Decking: Cladding is also used to improve the appearance of a building Closure:Ī piece of material, most often foam or acrylic, to close the gap between the panel and the deck. The exterior layer of a building that provides the structure protection against the natural elements including wind, water and A membrane in the building enclosure that controls air leakage into and out of the structure Caulk:Ī material used to seal joint and seams to prevent leaks Chalk Line:Ī line used as a point of reference to ensure straight or aligned installation of product, made with a tool that creates a line ofĬhalk when the string is snapped against a surface Cladding:
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