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NBS Source
Angle Windpost (WPA)

Application

Suitable for use in buildings subjected to high wind loads and for reduced cavity applications including:

  • Connections to structural steel.
  • Connections to concrete frames.
  • Connections to timber.
  • Precast floor planks.

Description

Stainless steel angled wind posts, designed for use in buildings subjected to high wind loads and for reduced cavity applications. 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. The wind post leg is built into the inner leaf of the blockwork and tied, using one-piece, two-way ties at 225 mm centres. This allows vertical movement of the structure without internal cracking.


Features and benefits:

  • CE marked.
  • Supplied complete with all ties and fixings.
  • Cost effective, especially with high wind loads.
  • Compliant with BS EN 1090-1 and BS EN 845-1.
  • Manufactured from corrosion resistant stainless steel.
  • Variety of different sizes and thicknesses available to suit structural loading requirements.
  • Supplied complete with vertically adjustable ties to suit coursing levels and necessary fixing bolts.
  • In situations that require a vertical movement joint, plain end, two-way ties with a de-bonding sleeve is recommended.


General information

Color

Silver

Material

Stainless steel

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

Shape

Other

Size

Available in a wide variety of sizes and thicknesses, consult manufacturer for details.

-

Uniclass

Pr_20_85_16_96 Wind postsPrimary

CAWS

F30/255 Wind posts

Specification data - Wind posts

Material

Stainless steel, grade 1.4301 (304).

Configuration type

Built into inner leaf of blockwork.

Section

Angle.

Sizes

-

Section

-

Angle (leg 1 x leg 2 x thickness)

Available in a wide variety of sizes and thicknesses, consult manufacturer for details.

125 x 70 x 4 mm.

WP4A12570.

130 x 70 x 5 mm.

WP5A13070.

130 x 70 x 6 mm.

WP6A13070.

140 x 70 x 4 mm.

WP4A14070.

140 x 70 x 5 mm.

WP5A14070.

140 x 70 x 6 mm.

WP6A14070.

150 x 70 x 5 mm.

WP5A15070.

150 x 70 x 6 mm.

WP6A15070.

150 x 80 x 8 mm.

WP8A15080.

160 x 70 x 5 mm.

WP5A16070.

160 x 70 x 6 mm.

WP6A16070.

160 x 80 x 8 mm.

WP8A16080.

170 x 70 x 4 mm.

WP4A17070.

170 x 70 x 5 mm.

WP5A17070.

170 x 70 x 6 mm.

WP6A17070.

170 x 80 x 8 mm.

WP8A17080.

180 x 70 x 4 mm.

WP4A18070.

180 x 70 x 5 mm.

WP5A18070.

180 x 70 x 6 mm.

WP6A18070.

180 x 80 x 8 mm.

WP8A18080.

200 x 70 x 5 mm.

WP5A20070.

200 x 70 x 6 mm.

WP6A20070.

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 Angle Windposts

Stainless Steel Angle Windposts

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