Hardwood deck glossary

Anatomy of a deck - Deck Terms and Descriptions


deck glossary

Footings the base, also called the foundation that supports the deck. The footings are usually made of concrete and extend some into the ground below the frost line.


Post - Vertical lumber that rests on the footing and supports the deck and girder.


Post base - Metal brackets in L or U shape to secure fasteners at the bottom of the post to the footings.


Girder - A lateral support beam the floor joist rests on. The girder spans the support post which rests on the footings.


Joist - The lumber that makes up the framework or also called substructure of the floor decking. The joist have different sizes but most common is 40x50 or 45 x75mm and rests on the girder. The girder most common size is 2 x 6 wide. The deck boards are attached to the joist and the joists on the girder.


Ledger Board - The board which is attached to the house and to which the joists ends connect to. Usually it supports a side of the deck.


Arbors - A structure in the air that can be used for hanging plants or vines.


Flashing - A material (usually metal or aluminum) that is attached to the house and attached behind the ledger board. Flashing aims to prevent water from entering the house.


Bridging these are blockings which are used between joists as added support to prevent the joist from moving, twisting and shifting.


Fascia - A board which is attached to the front and sides of the deck. A fascia covers the rim joist and sometimes the ends of the deck boards.

Riser - The vertical rise that 's vertically between steps (horizontally) of a staircase.


Tread - The board of a step of a stairs that is stepped on.


Stringer - The support frame of stairs where the risers and treads attached to. The stringer is aside of the treads and the risers.


Trellis - An overhead wood structure which is constructed for decoration as well as a sun and wind screen. The trellis has by no means a supportive function.


Decking - The outdoor flooring is also called a deck. The deck boards are attached directly to the joists (which in return are connected to the girders).


Hangers - Metal brackets are used attach the joist ends to the ledger board.


Lattice - An open wood structure of cross strips that functions as a screen.


Skirt - The section that is below the deck and covers the open space (if any) underneath the decking.


Spindles also called balusters and are the vertical part of a railing between the posts.


Rails - Rails are the top and bottom horizontal parts to which the spindles are attached to.


Post tops - A top which can be decorative and be added to a railing post.


Railing post - Vertical elements to which the railings are attached to .


Awning - A cover to provide shade and protection from the rain.


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Hardydeck Anatomy of a deck - Deck Terms and Descriptions

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