| Of course the final deciding factor with any installation is the strength of your chimney! A25127 13" lashing cradle. Requires single lashing kit A17324. Up to 10' mast. OK for large aerials up to DAT75. A79306 Self supporting bracket for very large chimneys or where you don't want to damage the brick. Need good condition brick & mortar. Suitable for up to 6' mast and small aerial up to 19 element. A25756 8" galvanised cradle. Requires single lashing kit A17324. Up to 8' mast. OK for large aerials up to DAT45. Distance between U bolts is approx. 8.5". Mast centre is held approx. 5.8" from chimney. A17290 12" galvanised lashing bracket. Requires single lashing kit A17324. Up to 8' mast. OK for large aerials up to DAT45. A21914 7.5" galvanised lashing bracket. Up to 6' mast with up to 19 element aerial. A21897 6" galvanised lashing bracket. Up to 6' mast with up to 14 element aerial. Mast centre is held approx. 2.7" from chimney. Distance between U bolts is approx. 4.5". A17273 6" pressed bracket for short mast and small aerial. Mast strength, rough guide: 1" diameter steel mast = 1.25" aluminium. 1.25" diameter steel mast = 1.5" aluminium. 1.5" steel = 2" aluminium. 2" steel recommended for 10' or longer. |