Heavy Duty Wall Ties - Type 1 - Cavity Tie
Verified by manufacturer 2 months ago
VST1 Heavy duty formed safety ties
VST1 Heavy duty formed safety ties
ISO 9001 Quality Management
Certificate type
For securing two leaves of a cavity wall to each other, allowing them to act as one structurally.
Application
Heavy-duty formed safety wall tie suitable for most buildings in the UK of any height, with cavities up to 225 mm (VST1 only).
Description
For securing two leaves of a cavity wall to each other, allowing them to act as one structurally.
Features and benefits:
- Each tie incorporates a change of shape to discourage moisture moving across the tie.
- Selected ties are designed to be installed either way up.
- Tested as Type B (sound).
- Tested as Type 1 to BS EN 845-1.
- UKCA certified.
General information
Color | Silver |
Material | Stainless steel Guidance for specification option: Grade 304. |
Length | 150 mm Guidance for specification option: VS4 only. 175 mm Guidance for specification option: VS4 only. 200 mm 225 mm 250 mm |
Uniclass | |
CAWS | F30/25 Cavity wall ties used with partial fill insulation F30/215 Cavity wall ties used with partial fill insulation F30/220 Wall ties F30/26 Wall ties F30/24 Cavity wall ties F30/214 Cavity wall ties |
Specification data - Cavity wall ties
Standard | To BS EN 845-1. |
Tie type | PD 6697 Type 1 (Masonry – heavy duty).Guidance for specification option: A heavy-duty formed safety wall tie suitable for most buildings in the UK of any height, with cavities from 50 to 225 mm. Constant drip feature to prevent moisture travelling across cavity. Supplied with visibility caps. Used to cover protruding end of VST1, remove when building external masonry. Supplied with reusable yellow safety end caps. |
Material | Grade 304 stainless steel. |
Length | 200 mm.Guidance for specification option: Cavity: 50–75 mm. 225 mm.Guidance for specification option: Cavity: 76–100 mm. 250 mm.Guidance for specification option: Cavity: 101–125 mm. 275 mm.Guidance for specification option: Cavity: 126–150 mm. 300 mm.Guidance for specification option: Cavity: 151–175 mm. 325 mm.Guidance for specification option: Cavity: 176–200 mm. 350 mm.Guidance for specification option: Cavity: 201–225 mm. Manufacturer guidanceSupplied in boxes of 250. |
End types | Manufacturer's standard.Guidance for specification option: Consult manufacturer for details. |
Design embedment length (minimum) | 62.5 mm.Guidance for specification option: For 200, 225, 250, 275 and 300 mm-long ties; consult manufacturer for details of 325 and 350 mm-long ties. |
Movement | Manufacturer's standard. |
Additional requirements | |
Mortar joint thickness (minimum) | 10 mm.Guidance for specification option: For 200, 225, 250, 275 and 300 mm-long ties; consult manufacturer for details of 325 and 350 mm-long ties. |
Resistance to water crossing cavity | Resistant (constant drip feature). |
Slope tolerance | Manufacturer's standard. |
Compressive load capacity | Manufacturer's standard.Guidance for specification option: Dependent on length specified; consult manufacturer's Declaration of Performance (DoP) literature for details. |
Tensile load capacity | Manufacturer's standard.Guidance for specification option: Dependent on length specified; consult manufacturer's Declaration of Performance (DoP) literature for details. |
Dynamic stiffness | Type B. |
Tie-mounted insulation retaining clips | ECO-clips.Guidance for specification option: Universal 80 mm-diameter insulation clip made using less plastic for reduced environmental impact. Supplied in bags of 250 or 50. Not required. |
Third party accreditation | UKCA marked. |
Fixing | HFX Hammer fixings, stainless steel. Guidance for specification option: Cost effective solution for fast repetitive fixing into concrete and similar materials. Suitable for fixing products to a solid base material, easy to install and are used extensively for fixing of Vista Engineering products. Suitable for concrete, solid blocks, perforated bricks, hollow blocks and aerated concrete (aircrete). This hammer fixing is simply tapped in with a hammer. HFX Hammer fixings, zinc-plated. Guidance for specification option: Cost effective solution for fast repetitive fixing into concrete and similar materials. Suitable for fixing products to a solid base material, easy to install and are used extensively for fixing of Vista Engineering products. Suitable for concrete, solid blocks, perforated bricks, hollow blocks and aerated concrete (aircrete). This hammer fixing is simply tapped in with a hammer. EXB Expansion bolt, stainless steel. Guidance for specification option: Heavy-duty; suitable for fixing into solid substances such as concrete. EXB Expansion bolt, zinc-plated. Guidance for specification option: Heavy-duty; suitable for fixing into solid substances such as concrete. |
Sustainability data
Contains Red List materials | No |
Country of product manufacture | United Kingdom |
Recyclability | Recyclable |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Third party certifications
ISO 9001 Quality Management
ISO 9001
Literature
Wall Ties Brochure
VST1 Heavy Duty Formed Safety Tie Data Sheet
VST1-200-STST Declaration of Performance
VST1-225-STST Declaration of Performance
VST1-250-STST Declaration of Performance
VST1-275-STST Declaration of Performance
VST1-300-STST Declaration of Performance
VST1-325-STST Declaration of Performance
VST1-350-STST Declaration of Performance
VS4-150-COLLAR Declaration of Performance
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