41mm Square Profile Base Rail - Select Timber and Length

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A square profile base rail pre-grooved to accept any 41mm Spindle . Spacer for spindles included - Select length and timber type.

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Square Profile Base Rail 

Contemporary Square Profile Base Rail suitable for any 41mm Spindle. 

This product is only available in Pine or Oak - please request a quote for other timber types. 

Square Profile Base Rail Measures 27mm High x 58mm Wide. 

Select your timber type and handrail length from the drop down boxes above. 

This base rail can be used with any 41mm x 41mm spindle either on the staircase or across the landing. 

Find our full range of Stair Parts here on our website (click to open a new tab).

All Base Rails come complete with fillet strip/ Spindle Spacers used to fill the gap between each spindle. Spindle spacers are fixed in place with a suitable PVA wood adhesive, available in our shop, and can be pinned into place using panel pins. Panel pins should be sunk into the fillet strip of the rail and filled with a wood filler to match the timber. 

We recommend that spindles and fillet strips are glued into the handrail and base rail using PVA wood adhesive. This will give strength and stop any potential spindle rattle.

90 Degree horizontal handrail bends are not available for this profile however these can be created during installation by cutting a miter in the handrail and forming a 90 degree bend. 

Fixing Base Rail 

Base Rails are fitted centrally over the stair string (side of the stairs) by drilling pilot holes through the rail and fixing with suitable countersunk wood screws. The screw heads need to be sunk below the surface of the base rail to allow the spindles and fillet strips to cover them from view. 

Use the same process on the landing by screwing to the landing sub floor. 

Stair Case Building Regulations 

IMPORTANT - Spindles should not be spaced more than 99mm apart to meet current building regulations.

Current building Regulations state that a sphere of 100mm in diameter should not be allowed to pass between two spindles. 

Handrail height needs to be a minimum of 900mm. Measure from the floor to the top of the handrail on the landing area and measure from the front of a tread to the top of the handrail on the stairs.

You can download the Cheshire Mouldings Benchmark Fitting Instructions manual from here


Square Profile Base Rails 

  • Base Rail Measure 27mm x 58mm 
  • Available in Scandinavian Pine or White Oak 
  • Can be used with any 41mm x 41mm spindle. 

You can download the Cheshire Mouldings Benchmark Fitting Instructions manual from here


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