250mm Type 1 Wall Ties Boxed 250no Ref PT1-250

250mm Type 1 Wall Ties Boxed 250no Ref PT1-250

£95.99 each ex. VAT £115.19 each inc. VAT
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SKU: 3802EXP075

250mm Type 1 Wall Ties Boxed 250no Ref PT1-250

BS 5628-1 Code of practice for the use of masonry - Part 1: Structural use of unreinforced masonry. Type 1 tie at a minimum embedment depth of 50mm over a 150mm cavity. Features Masonry guide marks on the body of the tie allow an easy visual check on tie embedment and cavity width. “TOP” indicates the correct way up. Water drips spaced across the cavity section allow the tie to be used in insulated or open cavities. Safety ends reduce the risk of injury during handling and installation. Light weight making installation quick, easy and economical. Installation Code of practice BS 5628-1 states that walls that have leaves 90mm or thicker should include wall ties at not less than 2.5 ties per m2 . Stagger wall ties in alternate courses at 900mm horizontal and 450mm vertical spacings. If least leaf thickness is less than 90mm, increase the number of ties to 4.9 ties per m2 by reducing horizontal spacing to 450mm. Wall ties adjacent to openings in masonry panels, vertical movement joint locations or non returned edges should be positioned at a maximum 300mm vertical spacing and no more than 225mm away from the opening. The PT1 tie should be bedded the nominal 62.5mm shown by the integral masonry guide marks and the correct way up, into fresh mortar at the time of the wall construction. The cavity spanning section of the tie is to be kept free of mortar. Accessories The PT1 Type 1 Wall Tie can be used in conjunction with the Expamet Building Products SSCD insulation retaining clip. The cavity spanning section is uniform enabling the insulation clip to be positioned at any given point so that different thicknesses of insulation can be used.

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