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GA Fixings
Unit 34
Claycliffe Business Park
Cannon Way
Barugh Green
Barnsley
S75 1JU

Tel: 01226 380779
Fax: 01226 385558

Email: info@gafixings.com

Stone Restraint Ties

 

BS8298:1994 ‘Code of practice for the design and installation of natural stone cladding and lining’ should be consulted when considering fixings for the restraint of stone cladding. BS8298 outlines recommend stone thicknesses, fixing positions and fixing materials as well as providing typical stone restraint details.

The details below indicate the general requirements regarding positioning of fixings contained within BS8298.

  Stone Type
  Granites, Slates, Homogenous Marbles, Quartzites, Hard Limestones, Travertines Limestones, Sandstones
Location Min "T" Min "t" Min "T" Min "t"
Less than 3.7m above ground, continuously supported
20
7
50
25*
Fascias less than 3.7m above ground
30
12
50
20*
Fascias more than 3.7m above ground
40
15
75
30*
Soffits
40
15
75
30*
Sills, Copings and supported reveals
30
12
50
20*
*1/2 thickness if stone is more than 75mm thick.

 

Ref: SR1
Loose Dowel ø6 x 70

Ref: SR2
Loose Dowel ø6 x 70

Ref: SR3
Loose Dowel ø6 x 70

Ref: SR1 Loose Dowel 6 x 70 Ref: SR2 Loose Dowel 6 x 70 Ref: GA4 DD140 Type 4

Ref: SR4
Loose Dowel ø6 x 70

Ref: SR5
Loose Dowel ø6 x 70

Ref: SR6
Loose Dowel ø6 x 70

Ref: IRD Insulated Retaining Disc Isolation Gasket Debonding Sleeve

Ref: SR7

Ref: SR8

Ref: SR1sw
Tie requires slotted upstand and welded dowel

Ref: GA6 BS1243 Fig2 Ref: GA7 BS1243 Fig1 Ref: GA8

Ref: SR9

Ref: SR10

Ref: SR11
Capped Dowel 6x40

Ref: GA8D Ref: GA9 Ref: GA10

Ref: SR12
Capped Dowel 6x40

Ref: SR13
Capped Dowel 6x40

Ref: SR14
Capped Dowel 6x40

Ref: GA12 Ref: GA13 Ref: GA14

Ref: SR15
Capped Dowel 6x40

Ref: SR16
Capped Dowel 6x40

Ref: SR18d100
Tie requires drip 100mm from front of tie

Ref: GA12 Ref: GA13 Ref: GA14

 

The ties as detailed above can also be supplied with welded dowels, slotted upstands and drips.

When referencing ties with these options place the relevant suffix at the end of the tie reference required.

w = welded dowel
s = slotted upstand (9 x 27 slot)
d = drip + dimension