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NBS Source
Cavity Windpost (WPC)

Application

Designed for use in cavities of 75 mm and above, in buildings subjected to moderate wind loads, including:

  • Bolting to face of concrete floor slabs.
  • Fixing to concrete.
  • Fixing to timber beams.
  • Fixing to steel beams.

Description

Stainless steel wind posts designed for installation in cavities of 75 mm and above. Wind posts span vertically between floors to provide lateral support for masonry panels and are normally fixed as ‘simply supported beams’. Connections to the frame are designed to allow for vertical adjustment of the structure and site tolerances during installation via a loose top cleat.


Deflection can be considerably reduced by using the wind posts as a ‘propped cantilever’ with a heavy-duty base connection. This method is used especially for the parapet/ spandrel wind posts. One-way ties at 225 mm centres secure the post to both inner and outer leaves of masonry, without disturbing the inner blockwork skin.


Features and benefits:

  • CE marked.
  • Fits in cavity.
  • Supplied complete with all ties and fixings.
  • Compliant with BS EN 1090-1 and BS EN 845-1.
  • Suitable for buildings with moderate wind loads.
  • Manufactured from corrosion resistant stainless steel.
  • Variety of different sizes and thicknesses available to suit structural loading requirements.

General information

Color

Silver

Material

Stainless steel

Grade 1.4301 (304) and Grade 1.4401 (316) for use in corrosive environments.

Shape

Other

Uniclass

Pr_20_85_16_96 Wind postsPrimary

CAWS

F30/255 Wind posts

Specification data - Wind posts

Material

Stainless steel, grade 1.4301 (304).

Stainless steel, grade 1.4401 (316).

For use in corrosive environments.

Sizes

-

Section

-

Channel (d x w x t)

55 x 60 x 4 mm.

WP4C5560.

65 x 60 x 4 mm.

WP4C6560.

65 x 60 x 5 mm.

WP5C6560.

75 x 60 x 4 mm.

WP4C7560.

75 x 60 x 5 mm.

WP5C7560.

80 x 60 x 4 mm.

WP4C8060.

80 x 60 x 5 mm.

WP5C8060.

80 x 60 x 6 mm.

WP6C8060.

85 x 60 x 4 mm.

WP4C8560.

85 x 60 x 5 mm.

WP5C8560.

85 x 60 x 6 mm.

WP6C8560.

90 x 60 x 4 mm.

WP4C9060.

90 x 60 x 5 mm.

WP5C9060.

90 x 60 x 6 mm.

WP6C9060.

95 x 60 x 5 mm.

WP5C9560.

95 x 60 x 6 mm.

WP6C9560.

100 x 60 x 5 mm.

WP5C10060.

100 x 60 x 6 mm.

WP6C10060.

105 x 60 x 5 mm.

WP5C10560.

105 x 60 x 6 mm.

WP6C10560.

110 x 60 x 6 mm.

WP5C11060.

110 x 60 x 5 mm.

WP6C11060.

115 x 60 x 5 mm.

WP5C11560.

115 x 60 x 6 mm.

WP6C11560.

120 x 80 x 8 mm.

WP8C12080.

Span (length)

2.5 m.

3.0 m.

3.5 m.

4.0 m.

5.0 m.

6.0 m.

Head and base fixings

Timber coach screws.

  • For timber.
  • Or threaded studs with plate washers.

Xylan-coated setscrews.

  • For steel.
  • Or RHS blindbolts (where access is limited).
  • Isolation patches to separate dissimilar metals.

Site-drilled expansion bolts.

  • For base fixings to concrete foundations or slabs.
  • Or resin anchor fixings.

T-head bolts cast-in channels.

  • For concrete.
  • Or site-drilled expansion bolts.

Resin-anchors and sleeves.

  • To PCU slabs.

Deflection

Maximum deflection.

Span/ 360.

UltimateStress

Maximum stress.

174 N/mm².

Accessories

None.

WPT1S3.

One-way, safe end windpost tie – to connect to inner leaf.

WPT1S2.

One-way, indented safe end windpost tie – to connect to outer leaf.

WPT2SS.

Two way, safe ended windpost tie – to connect post to inner leaf.

Literature

Windposts & Parapet Posts

Windposts & Parapet Posts

Stainless Steel Cavity Windposts

Stainless Steel Cavity Windposts

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