Connection Types Wiki · Framing, rails & extrusion

PEAK Wide-Picket Rail-Infill Fit

A rectangular extruded aluminum picket end designed to insert and slide into the underside channel of a PEAK handrail and top channel of a base rail, held and spaced by snap-in or slide-in spacers.

Illustration of a PEAK Wide-Picket Rail-Infill Fit
Stands for
PEAK = brand name (Peak Products)
Gender
male
Connects by
insertion, snap-fit
Standards
IRC (International Residential Code); IBC (International Building Code)
Regions
North America, Australia, New Zealand

How it connects

The ends of each picket insert into the extruded U-channel of the handrail and base rail. Pickets slide horizontally into position along the channel and are locked in place by alternating snap-in or slide-in spacers.

Male and female halves

Male picket end that inserts into the female extruded longitudinal channel of the PEAK hand and base rails.

Usually connects to

  • PEAK aluminum handrail bottom channel
  • PEAK aluminum base rail top channel
  • PEAK wide picket plastic/aluminum spacers

Common sizes

  • 1-1/2 in. wide x 5/8 in. deep rectangular aluminum extrusion profile; designed for 36 in. and 42 in. railing systems.

Where it is used

residential deck railingscommercial deck and balcony railingsstair railings

Variations

  • standard 5/8 in. square picket male end
  • stair rail wide picket angled cut end

How to recognise it

Hollow rectangular powder-coated aluminum extrusion measuring approximately 1-1/2 in. wide by 5/8 in. deep with open, square-cut or angle-cut ends designed to slide into a matching continuous rail channel.

Often confused with

Confused withHow to tell them apart
PEAK standard picket male rail infillStandard pickets are 5/8 in. square, whereas wide pickets measure 1-1/2 in. wide across the face.
standard pre-punched railing picketsPre-punched rails use discrete stamped holes rather than an open continuous U-channel with snap-in spacers.

Also called

PEAK wide picket endPEAK 1-1/2 in. picket rail infill tonguePEAK RailBlazers wide picket profile

Good to know

PEAK Aluminum Railing (also branded as Peak RailBlazers) uses a continuous open channel on the bottom of the handrail and top of the base rail. Instead of fasteners into each picket, pickets and spacer blocks alternate along the channel.

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