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Conversion Chart
Conversion Chart
STEEL LINTELS Supergalv Lintels Important – this chart is a guide only, drawings or loadings should be forwarded to the technical department for STEEL LINTELS

a definitive lintel specification. If in doubt, please ask.
THE ONLY LINTEL RANGE TO GUARANTEE COMPLETE
WALL CONSTRUCTION
BIRTLEY
AND CONSISTENT PROTECTION AGAINST CORROSION. 100mm OUTER CB70 CG70/100 CATNIC L1/S75 IG S/K70 KEYSTONE
70-85mm CAVITY CB70HD N/A L1/HD75 & L1/XHD75 HD/K70
100-115mm INNER AT70 CH70/100 up to 1800 (Use HS70 over 1800) L5/75 CFS/K70
• Every lintel is galvanized • Made from structural steel to HS70 CX70/100 L6/75 X/K70
SX70
CXL265
after production EN10025 – 30% stronger than 100mm OUTER CB90 CG90/100 L1/S100 S/K90
pre-galvanized steel sheet 90-105mm CAVITY CB90HD N/A L1/HD100 & L1/XHD100 HD/K90
• No painted rough edges 100-115mm INNER AT90 CH90/100 up to 1800 (Use HS90 over 1800) L5/100 CFS/K90
vulnerable to rust attack • UK made, CE marked, HS90 CX90/100 L6/100 X/K90
CXL290
SX90
complies with EN845-2
• Up to 50% more zinc and all current European 100mm OUTER CB70/130 CG70/125 L1/S75WIL S/K70WIL
L1/HD75WIL & L1/XHD75WIL
AT70/130
HD/K70WIL
70-85mm CAVITY
CH70/125 up to 1800 (Use HS70/130 over 1800)
protection than other brands regulations 125-140mm INNER HS70/130 CX70/125 L5/75WIL CFS/K70WIL
L6/75WIL
X/K70WIL
CXL290
SX70/130
• No base plate which means 100mm OUTER CB90/130 CG90/125 L1/S100WIL S/K90WIL
reduced heat loss across the 90-105mm CAVITY AT90/130 CH90/125 up to 1800 (Use HS90/130 over 1800) L1/HD100WIL & L1/XHD100WIL HD/K90WIL
CFS/K90WIL
HS90/130
L5/100WIL
CX90/125
cavity 125-140mm INNER SX90/130 CXL310 L6/100WIL X/K90WIL
100mm OUTER CB110 CG110/100 L1/S110 S/K110
110-125mm CAVITY AT110 CH110/100 up to 1800 (Use HS110 over 1800) L1/HD110 & L1/XHD110 HD/K110
100-115mm INNER HS110 CX110/100 L5/110 CFS/K110
SX110 CXL310 L6/110 X/K110
100mm OUTER CB130 CG130/100 L1/S130 S/K130
130-145mm CAVITY AT130 CH130/100 up to 1800 (Use HS130 over 1800) L1/HD130 & L1/XHD130 HD/K130
100-115mm INNER HS130 CX130/100 L5/130 CFS/K130
SX130
CXL330
X/K130
L6/130
EN845-2 CO ATINGS COMPARED: 100mm OUTER CB150 CG150/100 L1/S150 S/K150
150-165mm CAVITY AT150 CH150/100 up to 1800 (Use HS150 over 1800) L1/HD150 & L1/XHD150 HD/K150
PRE-GALVANIZED PRE-GALVANIZED POST GALVANIZED 100-115mm INNER HS150 CX150/100 L5/150 CFS/K150
42 MICRONS 19 MICRONS + PPC 65 MICRONS U2K TO 150 MICRONS SX150 CXL350 L6/150 X/K150
50-80mm CAVITY CBEV50 CGE50/100 L1/E50 EL/K50
ZINC (42 MICRONS) POWDER COAT (25 MICRONS) ZINC (65 MICRONS) 100-115mm INNER
ZINC (42 MICRONS)
STEEL STEEL STEEL 90-130mm CAVITY CBEV90 CGE90/100 L1/E100 EL/K90
100-115mm INNER
ZINC (42 MICRONS)
ZINC (42 MICRONS) POWDER COAT (25 MICRONS) ZINC (65 MICRONS) 100mm OUTER
50-65mm CAVITY TF50 CTF5 L7/50 T/K50
PRE-GALVANIZED SHEET PRE-GALVANIZED SHEET HOT GALVANIZED AFTER MANUFACTURE TIMBER FRAME TF50HD CN23B & CB23C L7/HD50 HDT/K50
ZINC COATING WEIGHT: 600g/m² ZINC COATING WEIGHT: 275g/m² ZINC COATING WEIGHT: 920g/m²
(inc. both sides) (inc. both sides) (inc. both sides) 100mm OUTER
PAINT COATINGS TO CUT EDGES ONLY POWDER COATINGS TO ALL SURFACES 70-85mm CAVITY TF70 CTF7 L7/75 T/K70
TIMBER FRAME TF70HD N/A L7/HD75 HDT/K70
100mm OUTER
70-85mm CAVITY TF90 CTF9 L7/100 T/K90
Low thermal conductivity TIMBER FRAME TF90HD N/A L7/HD100 HDT/K90
polymer isolator 200-215mm SOLID OB190 CN50C & CN51C L9 SW/K
WALL
200-215mm SOLID SBL 200 CN 71A BOX 200 BOX/K200
Thermally insulated WALL SBL 200HD CN 71C HDBOX200 HDBOX/K200
CN81B up to 2700 (Use SBL200 over 2700)
SBL 200HD
discreet connection SUPATHERM SBL 200HD CN81C up to 3600 (Use SBL200 over 2700)
100mm EXTERNAL LA ANG L10 SB/K
The SIMPLE way to achieve LEAF
75% reduction in heat loss compared 100mm EXTERNAL EV100 CCS L11 SL/K
LEAF
with cavity lintels - at a significantly 75mm INTERNAL INT75 CN92 INT64
Supergalv TM lower cost than a hybrid WALL
coating
as standard 100mm INTERNAL INT100 CN102 INT100 INT/K
Brilliant performance made brilliantly SIMPLE... WALL SB100 BSD100 BOX100 BOX/K100
HDBOX/K100 1950-2700
HDBOX100 1950-2700
BHD100
SB100HD
Low thermal conductivity ...that’s Birtley common sense. SB100HDX BXD100 HDBOX100 HDBOX/K100
Self piercing rivets EPS factory fitted foam
maintain coating integrity insulation 140mm INTERNAL SB140 BSD140 BOX140 BOX/K140
WALL SB140HD BHD140 HDBOX140 1950-2700 HDBOX/K140 1950-2700
SB140HDX BXD140 HDBOX140 HDBOX/K140
52 Prices correct at time of print. Prices correct at time of print. 53
Bradfords Price List - old codes.indd 7 05/01/2017 12:28
Bradfords Price List - old codes.indd 3 05/01/2017 12:28