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Ancon ST1 300mm Type 1 Tie to PD 6697 (Masonry Heavy Duty)
The Ancon ST1 300mm is suitable for cavities from 150mm to 175mm and can be used for all types of building of any height, anywhere in the British Isles. The section that spans the cavity has a series of holes to provide water drips. This allows the same tie to be used in insulated cavities as well as open cavities.
The Ancon TeploTie is a composite wall tie comprising pultruded basalt fibres set in a resin matrix. This material is often selected for its low thermal conductivity value of 0.7W/mK, which can be used to reduce insulation thickness. TeploTie is BBA approved for cavities from 50mm to 450mm.
Insulation retaining clips are available for partial-fill cavities.
For cavities over 150mm the tie lengths are as follows:
TeploTie is a Type 2 wall tie up to a tie length of 425mm, then Type 3 up to 525mm and then Type 4 to 575mm.
The Ancon Two-Part Tie is designed to overcome the problems associated with installing long ties.
Cavities exceeding 150mm require ties in a length that can be difficult to balance and keep horizontal during installation. An Ancon Two-Part Tie has one section that is built into the inner leaf and a second, interlocking section that is fixed as the outer leaf is constructed. An embedment of 75mm is required at each end. The inner tie is usually manufactured in lengths of 170mm with variation in the cavity width being accommodated by the length of the outer section. Where insulation thickness is in excess of 60mm, the inner section should be longer than the standard 170mm to ensure the connection between the two parts is made in the open cavity.
Ancon Two-Part Ties sustain loads which exceed the requirements for a Type 2 tie to PD 6697 for cavities up to 300mm. Type 3 performance is achieved at the standard tie spacing for wider cavities up to 400mm.
Note: Centres shown achieve equivalent tie type performances to PD 6697: 2010 22.214.171.124 Table 12.
Insulation Retaining Clips can be supplied to fit the inner section.