Birtley Supergalv Lintel Selection Chart from Hy-Ten - suppliers of concrete reinforcement, bamtec, gabions, fencing, industrial mesh, galvanised lintels, structural steel, sheet piles.

Birtley Lintel Selection Chart

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CAVITY WALLS Overall Width: 250 - 265mm Outer Leaf: 100mm Cavity: 50 - 65mm Inner Leaf: 100 - 115mm	CB 50 Standard Duty	CB 50 HD Medium Duty	HD 50 Heavy Duty	HDX 50 Extra Heavy Duty

CAVITY WALLS Overall Width: 270 - 285mm Outer Leaf: 100mm Cavity: 70 - 85mm Inner Leaf: 100 - 115mm	CB 70 Standard Duty	CB 70 HD Medium Duty	HD 70 Heavy Duty	HDX 70 Extra Heavy Duty

CAVITY WALLS Overall Width: 290 - 305mm Outer Leaf: 100mm Cavity: 90 - 105mm Inner Leaf: 100 - 115mm	CB 90 Standard Duty	CB 90 HD Medium Duty	HD 90 Heavy Duty	HDX 90 Extra Heavy Duty

CAVITY WALLS Overall Width: 310 - 325mm Outer Leaf: 100mm Cavity: 110 - 120mm Inner Leaf: 100 - 115mm	CB 110 Standard Duty		HD 110 Heavy Duty	HDX 110 Extra Heavy Duty

CAVITY WALLS Overall Width: 325 - 340mm Outer Leaf: 100mm Cavity: 125 - 140mm Inner Leaf: 100 - 115mm	CB 125 Standard Duty		HD 125 Heavy Duty	HDX 125 Extra Heavy Duty

CAVITY WALLS Overall Width: 350 - 365mm Outer Leaf: 100mm Cavity: 150 - 165mm Inner Leaf: 100 - 115mm	CB 150 Standard Duty		HD 150 Heavy Duty	HDX 150 Extra Heavy Duty

CAVITY WALLS Overall Width: 275 - 310mm Outer Leaf: 100mm Cavity: 50 - 65mm Inner Leaf: 125 - 140mm	CB 50/130 Standard Duty		HD 50/130 Heavy Duty	HDX 50/130 Extra Heavy Duty

CAVITY WALLS Overall Width: 295 - 325mm Outer Leaf: 100mm Cavity: 70 - 85mm Inner Leaf: 125 - 140mm	CB 70/130 Standard Duty		HD 70/130 Heavy Duty	HDX 70/130 Extra Heavy Duty

CAVITY WALLS Overall Width: 315 - 345mm Outer Leaf: 100mm Cavity: 90 - 105mm Inner Leaf: 125 - 140mm	CB 90/130 Standard Duty		HD 90/130 Heavy Duty	HDX 90/130 Extra Heavy Duty

CAVITY WALLS Overall Width: 340 - 375mm Outer Leaf: 100mm Cavity: 50 - 65mm Inner Leaf: 190 - 215mm	HD 50/200 Heavy Duty	SX 50 Extra Heavy Duty	XHD 50 Extreme Duty

CAVITY WALLS (Stonework) Overall Width: 280 - 315mm Outer Leaf: 125 - 150mm Cavity: 50 - 65mm Inner Leaf: 100 - 115mm	CB 150/50/100 Medium Duty	HD 150/50/100 Heavy Duty

EAVES (Closed) Cavity: 50 - 90mm Inner Leaf: 100 - 115mm	CB EV 50

ATTIC TRUSSES Overall Width: 250 - 265mm Outer Leaf: 100mm Cavity: 50 - 65mm Inner Leaf: 100 - 115mm	AT 50 Heavy Duty	AT 70 Heavy Duty	AT 90 Heavy Duty

100mm INTERNAL WALLS	SB 100 Standard Duty	SB 100 HD Heavy Duty	SB 100 HDX Extra Heavy Duty

140mm INTERNAL WALLS	SB 140 Standard Duty	SB 140 HD Heavy Duty	SB 140 HDX Extra Heavy Duty

200 - 215mm SOLID WALLS	SBL 200 Medium Duty	OB 190 Medium Duty	DC 200 Heavy Duty

100mm EXTERNAL WALLS	MBL Light Duty	LA Medium Duty	EV 100 Heavy Duty

TIMBER FRAMES	TF 50 Medium Duty	TF 50 HD Heavy Duty

INTERNAL WALLS	INT 100 Light Duty	INT 100 HD Medium Duty



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