Cooper Stairworks: Pre-Assembled Stairs and Stair Parts: Treads and Risers

treads and risers

Treads & Risers from Cooper Stairworks

Cooper Stairworks has a large stock of Treads and Risers. Treads can be returned by the shop at any length, right, left or both ends.

s = stock | ns = non stock | -- not available

TREADS

Size

Length

Oak

Oak w/ returned End

Maple

Yellow Pine **

#2 Yellow Pine**

Plywood 3/4" CDX

3/4 x 10½"

x 36"

3/4 x 10½"

x 42"

3/4 x 10½"

x 48"

3/4 x 11½"

x 36"

3/4 x 11½"

x 42"

3/4 x 11½"

x 48"

3/4 x 11½"

x 54"

3/4 x 11½"

x 60"

3/4 x 11½"

x 72"

1-1/16 x 10½"

x 36"

1-1/16 x 10½"

x 42"

1-1/16 x 10½"

x 48"

1-1/16 x 10½"

x 54"

1-1/16 x 11½"

x 36"

1-1/16 x 11½"

x 42"

1-1/16 x 11½"

x 48"

1-1/16 x 11½"

x 54"

1-1/16 x 11½"

x 60"

1-1/16 x 11½"

x 72"

1-1/16 x 11½" †

x 60"

1-1/16 x 28"

x 51"

** All yellow pine treads 1" thickness
† Good 2 Sides

Add to any Tread for Return by Cooper for sizes not shown. Cooper returns coped to match stock return treads. Stock returned treads cannot be tongued.
	Oak	Maple	Pine
Return L or R 1 end	x	x	x
Return L or R 2 ends	x	x	x
Tongue charge to tongue each tread	x
Groove charge to groove each riser	x
x = Special Order Treads can be returned by the Cooper shop at any length, right, left or both ends. Allow 3 day minimum. Treads can be ripped to specified width for an additional charge

RISERS
Size ‡	Length	Oak 7-7/8"	Yellow Pine 7-7/8"	Plywood 7-7/8"	Poplar 8"	Poplar 9-1/4"	Clear Pine 9-1/4"	FJ&P Pine 9-1/4"
3/4" x 8"	x 36"	--	s	s	--	--	--	--
3/4" x 8"	x 42"	s	s	s	s	s	s	s
3/4" x 8"	x 48"	s	s	s	s	s	s	s
3/4" x 8"	x 54"	s	s	s	s	s	s	s
3/4" x 8"	x 60"	s	s	s	s	s	s	s
s = stock \| ns = non stock \| -- not available ‡ Nominal height. See exact height under specie in this chart. Almost any species and tread or riser length available by special order. Ask your sales representative for details.

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