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Bottom Stair Post for Probuilt Aluminum Rail System

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ProBuilt Rail Bottom Stair Posts

ProBuilt Bottom Stair Posts are used to attach stair rails to the bottom step or landing surface. All Probuilt posts come with the needed mounting hardware and a durable powder coated finish.

Probuilt bottom stair posts are universally designed to work for both a 36" and 42" rail heights. One size fits all.



All ProBuilt Railing systems (posts, rails, spacers and pickets) slide and snap into place in less than 10 simple steps for professional-looking results. Very easy to install, in stock, fast shipping.

Additional Info

Additional Info

Package Quantity Single Bottom Stair Post with mounting hardware
Color Matte Black
Search by Manufacturer BW Creative
Manufacturer Link http://www.probuiltrailings.com/defaultbk.asp
Installation Help http://www.probuiltrailings.com/pdf/ProBuilt_Railing_Assembly_Instructions_2014.pdf
Dimensions 2.5" x 42" | with 4" Base


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Calculators Use the tools below to calculate the number of balusters need to fill your rail, cut your stairs, and more


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