dwgLAB
High quality DWG details, projects and blocks for professionals.
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Latest posts
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Chimney flashing at an insulated tiled roof
CAD transverse section of a masonry chimney passing through an insulated tiled roof on metal framing. Flashing upstands return into the masonry joints beside the tiles. A corrugated layer, cellular-pattern insulation and flanged metal supports are shown on either side of the…
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Mortar-bedded ridge tiles on an insulated concrete roof
CAD ridge section through an insulated concrete roof with interlocking tiles on both slopes. A half-round ridge tile is bedded in mortar at the apex. Insulation follows the roof slopes above the concrete slab; tile battens and the plaster soffit are also shown.
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Hollow-section roof rafter anchorage at tiled eaves
CAD eaves section showing a rectangular hollow-section rafter connected to a base plate anchored into a concrete edge beam. The insulated interlocking-tile roof meets an insulated cavity wall. Tile supports, the roof member and its anchorage are shown together.
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Insulated tiled concrete roof eaves at a cavity wall
CAD eaves section through an insulated concrete roof with interlocking tiles adjoining a cavity wall. Roof insulation turns down around the concrete edge beam toward the wall-cavity insulation. Tile battens and the two masonry leaves are shown at the roof edge.
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Insulated tiled roof build-ups on metal framing
Two CAD sections of insulated interlocking-tile roof build-ups on metal framing. One shows a corrugated layer above cellular-pattern insulation; the other shows a sloping assembly with a continuous insulation layer and tile supports. Framing profiles and roof layers are…
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Plasterboard ceiling on wire hangers and hat channels
CAD section of a plasterboard ceiling suspended beneath a concrete floor on profiled metal decking. Wire hangers connect the ceiling frame to the structure above. The enlarged lower view shows the board screws and hat-shaped metal furring channels.
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Recessed downlight mounting in a suspended ceiling
CAD section of a recessed downlight in a suspended plasterboard ceiling, with two enlarged fixing views. The fitting and its support are coordinated with the ceiling carriers. Tied hanger wires, carrier connections and screws securing the boards to the metal frame are shown.
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Ceiling lining perimeter angles and wall fixings
Three CAD sections of suspended plasterboard ceiling edges at different wall substrates. Perimeter angles are anchored to the walls, and screws fix the boards to metal channels. Wire-loop connections below a rectangular support member accompany the fixing alternatives.
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Suspended ceiling perimeter fixings to framed and concrete walls
CAD section of a suspended plasterboard ceiling between a framed wall and a concrete wall. Three enlarged perimeter connections show wall angles, wall fixings and screws securing the lining at its edges. Hanger wires support the intermediate ceiling frame.
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Suspended ceiling wire hanger and carrier connection
CAD section of a suspended linear ceiling with aluminum components and wooden framing. The drawing shows the tied hanger wire, its connection to the punched metal carrier and the ceiling-edge assembly, with the upper structural element shown for context.
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Insulated steel Pratt truss roof with purlins
CAD transverse section of a double-pitched steel Pratt truss roof. Top and bottom chords, verticals and diagonals form the main truss, with purlins carrying the metal-sheet covering. Thermal insulation lies above the suspended ceiling below the truss, not directly beneath the…
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Grassed road median inlet and trench-drain connection
CAD section of a grassed road median between concrete upstands. A point surface-water inlet connects through a DN40 pipe to an adjacent covered concrete trench drain. The drawing coordinates the cast-iron cover, steel angle supports, waterproofing, mortar bedding and concrete…
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Concrete stair built into a sloped embankment
CAD plan, axonometric view and construction sections of a straight outdoor concrete stair built into a sloped earth embankment. Solid concrete side walls flank the steps. The upper paved surface, landing and stepped ground-bearing base are shown; no handrail or reinforcement is…
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Self-supporting metal spiral staircase with a center column
CAD plan, elevation and tread-connection views of an indoor self-supporting metal spiral staircase. Wedge-shaped treads connect to the center column through projecting support arms and sleeves. A metal guardrail and handrail follow the circular stair layout; the metal alloy and…
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Concrete trench drain with cast-iron covers and gratings
CAD section and plan showing alternative cast-iron covers and gratings over a linear concrete trench drain. The covered section shows supports formed by powder-coated steel angles anchored to the walls, a waterproofing membrane, mortar bedding and concrete blinding at the…
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Concrete trench drain with removable cover slabs
CAD plan and section of a linear concrete trench drain at finished floor level. Removable concrete cover slabs bear on powder-coated steel angles anchored to the channel walls. Waterproofing, mortar bedding and a plain-concrete blinding layer are shown below.
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Concrete and brick boundary wall with stone paving
CAD sections and a junction plan for a solid boundary wall combining concrete and brickwork beside stone paving. The drawings show concrete footings and stepped supports, paving bedding and edge junctions, and stone-slab joints around the wall or pier.
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Underground multi-compartment concrete septic tank
CAD plan and three sections of a buried multi-compartment concrete septic tank serving sanitary fixtures. Access covers, internal partitions and baffles, inlet and outlet zones, tank floor levels and the plain-concrete blinding layer beneath the base are shown.
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Concrete foundations for 9 m and 10 m flagpoles
CAD sections of concrete pad foundations for flagpoles 9 m and 10 m high. Each pole is centrally embedded below ground level. The drawings show adjacent pavement arrangements and the external flag-raising rope; no reinforcement is depicted in the foundation blocks.
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Metal stair guardrail anchorage to reinforced concrete
CAD elevation and connection sections for a metal guardrail and handrail on a straight reinforced-concrete stair with ceramic tread finishes. The drawings show post anchorage at treads and the landing, shaped metal infill, a circular handrail connection and a wall-mounted…