Tufts - Heavy Side - Lintels

We supply Birtley Supergalv Lintels.

Cavity Walls (The following lintels are NOT recommended for the support of P.C.Concrete floors)

 
Overall Width 250 to 265  
Outer Leaf 100  
Cavity 50 to 65  
Inner Leaf 100 to 115  
CB 50 Standard Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1200 15 112 5.8
1350 - 1650 15 112 7.3
1800 - 2100 20 143 8.1
2250 - 2400 22 148 9.9
2550 - 2700 26 175 11
2850 - 3000 26 190 11.6
3300 - 3900 26 205 14.2
We recommend the use of an additional cavity tray with all external cavity wall lintels
 
Overall Width 270 to 285  
Outer Leaf 100  
Cavity 70 to 85  
Inner Leaf 100 to 115  
CB 70 Standard Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1200 15 106 5.8
1350 - 1650 15 106 7.3
1800 - 2100 20 148 8.1
2250 - 2400 22 148 10.1
2550 - 3000 26 185 11.6
3300 - 3900 26 200 14.2
 
CB 70 HD Medium Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 36 148 10.1
1650 - 2100 36 200 14.2
2250 - 3000 36 208 14.6
 
 
Overall Width 290 to 305  
Outer Leaf 100  
Cavity 90 to 105  
Inner Leaf 100 to 115  
CB 90 Standard Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1200 15 106 5.9
1350 - 1650 15 106 7.4
1800 - 2100 20 138 8.4
2250 - 2400 22 151 10.4
2550 - 3000 26 187 12
3300 - 3900 26 202 14.2
We recommend the use of an additional cavity tray with all external cavity wall lintels
CB 90 HD Medium Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 36 138 10.5
1650 - 2100 36 195 13.9
2250 - 3000 36 202 14.2
 

100 Internal Walls Plastered Both Sides


SB 100 Standard Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 15 73 5.1
1650 - 1800 20 140 6.6
1950 - 2700 20 140 8.3
2850 - 3600 25 215 11.2
3900 - 4500 30 215 16.8
4800 28 215 16.8
Lintels can be supplied insulated
(extra cost)
SB 100 HD Heavy Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 25 140 6.6
1650 - 2700 40 215 14
2850 - 3600 45 215 16.8
 
SB 100 HDX Extra Heavy Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 60 140 11.5
1650 - 2700 60 215 16.8
 

140 Internal Walls Plastered Both Sides

SB 140 Standard Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 2100 25 140 8.2
2250 - 2700 25 140 10.2
2850 - 3600 25 215 13
3900 - 4200 45 215 19.5
4500 - 4800 35 215 19.5
Lintels can be supplied insulated
(extra cost)
SB 140 HD Heavy Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 25 140 10.2
1650 - 2700 40 215 16.3
2850 - 3600 45 215 19.5
 
SB 140 HDX Extra Heavy Duty
 
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 60 140 14.5
1650 - 2700 60 215 19.5
 

200-215 Solid Walls

SBL 200 Medium Duty
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 20 142 9
1650 - 2100 20 142 10.1
2250 - 2700 20 142 11.3
2850 - 3000 25 218 13.8
3300 - 3600 40 219 17.2
3900 - 4500 35 220 20.3
4800 30 220 20.3
OB 190 Medium Duty
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 9 90 5.7
1650 - 2100 12 95 9.3
2250 - 2550 20 160 10.2
2700 - 3000 20 160 12.2

100 External Walls (Lintels above 1500mm long should be propped)

MBL Light Duty
Use in lightly loaded locations such as meter boxes, garage personnel doors etc.
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 900 2 50 2.4
1050 - 1350 4 80 2.7
1500 - 2100 5 85 4.7
LA Medium Duty
Use to carry outer leaf and provide support for cavity tray where inner leaf is existing or supported seperately.
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1500 6 90 4.5
1650 - 1800 6 119 5.3
1950 - 2400 10 158 6.2
2550 - 3000 13 215 7.5
3300 - 3900 8 215 7.5

Timber Frame Versions also available for other cavity widths (Pinch batten must be used with TF 50 lintels.)

TF 50
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1350 8 115 4.1
1500 - 1650 8 140 4.5
1800 - 2400 8 140 5.4
2550 - 3000 10 190 6.4
3300 - 3900 10 190 7.7
TF 50 HD with cavity closer
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
750 - 1350 12 115 6.2
1500 - 1650 12 140 6.5
1800 - 2400 12 140 7.5
2550 - 3000 15 190 9.2
3300 - 4800 10 190 11.2
Lintels above 1200mm long should be propped until lintel is fully loaded and brickwork has matured.
Use horizontal timber spreader to avoid distorting lintel.
Use single central prop for openings up to 2100mm.
For larger openings use multiple props (max spacing 1200mm).

Restraining clips (supplied) should be fixed to timber frame using 3 No 3.3mm Dia x 50 long galvanised nails.
Clip should overlap lintel by 12mm as indicated by line on clip.

Internal Walls Non Load Bearing

INT 100 Light Duty
Length Range
mm		 Max UDL
kn		 Depth
mm		 Weight
kg/m
900 - 1200 5 20 1.9

Accessories

ARCHFORM  
Supports arched soldier course over standard door and windows openings. Can be used with all standard external wall lintels.

Other sizes available to special order.
Span
mm		 Opening Width
kn		 Rise
mm
475 450 - 500 75
615 590 - 640 75
685 660 - 710 75
750 725 - 777 75
925 900 - 950 75
1070 1045 - 1095 75
1135 1110 - 1160 75
1225 1200 - 1250 75
1375 1350 - 1400 75
1525 1500 - 1550 75
1675 1650 - 1700 75
1785 1760 - 1810 75
1950 1925 - 1975 150
2125 2100 - 2150 150
2250 2225 - 2275 150
2370 2345 - 2395 150
2420 2395 - 2445 150
2700 2675 - 2725 150