Recommended attachment is with 6mm x 30mm Ramset ShureDrivetm anchors which have a maximum load of 1.0 kN, or No. 12 Type 17 screw or equivalent. SPACING OF TIES:In general work not more than 600 x 600 for a design wind speed (non cyclonic) of W28-W41. Reference should be made to the BCA vol2, part3-3-3 Masonry Accessories.
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