French props

French model steel props.
The most appreciated props in francophone countries.
Available in painted and galvanized version.

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In this page:

About the french prop,
Technical features,
French props loads table ,
French Fort props loads table,
GBM props catalogue,
GBM shoring props: data sheet

About the french prop

The french prop is a steel shoring system. It distinguishes itself from other light props for two main features: the tubes that compose it are thicker and the presence of a cast iron sleeve.

This is the most common shoring system in France and in other French-speaking countries.

It is available in a painted version (red dipping paint) or hot-dip galvanized version.

Being resistant and economic, it suits any use when it comes to propping.

The holes located in the inner pipe at a 100 mm interval, can reach extensions varying between 170 and 400 cm.

They are compatible with most accessories of other formworks and floors.

We - at GBM - manufacture 11 different models - classified according to maximum extension and capacity. Below are their technical features.

Technical features of the french shoring prop

GBM french prop comes with the following features:

Drilled inner (with accurate precision and burr-free) every 100 mm so as to enable the adjustment of the prop;
S235JR steel inner and outer pipe according to the UNI EN 10219-1 / 2 standard;
8 mm pitch threaded adjustment sleeve with welded handles;
Welded male, made by rolling or without material removal;
Lower and upper flat plate;
High resistance safety hook for fixing between the inner and outer pipe;
Anti-shearing system to enable working under safe conditions at all times;
Reinforcement at the foot consisting of mounting an extra 200mm tube on the outer one in proximity of the lower plate;
Manufacturing standards: Italian Presidential Decree N° 164/56 ART. 7 – UNI EN 729-2:1996.

Upon request it's available the anti-disengagement system which enables quick release of the prop with little effort;

French props loads table

We - at GBM - manufacture 4 different models of french steel props. They are classified according to maximum extension and capacity. Below are their technical features.

Download the french props loads table

Dimensions table

French props
Inner diameter	mm	48,30
Outer diameter	mm	57,00
Plate	mm	120x120x5

Extension	110-180	170-300	200-360	220-400
(m)	(kN)	(kN)	(kN)	(kN)
4,00				11,00
3,90				11,66
3,80				12,43
3,70				13,42
3,60			11,55	14,19
3,50			12,43	14,90
3,40			13,20	15,95
3,30			14,13	17,27
3,20			14,85	18,64
3,10			15,40	19,69
3,00		15,80	16,17	20,68
2,90		16,20	17,38	21,94
2,80		16,85	18,70	23,43
2,70		17,90	21,12	25,90
2,60		18,80	24,31	27,50
2,50		20,24	27,28	27,50
2,40		22,55	27,50	27,50
2,30		25,46	27,50	27,50
2,20		26,95	27,50
2,10		27,50	27,50
2,00		27,50	27,50
1,90		27,50
1,80	25,45	27,50
1,70	26,95	27,50
1,60	27,50
1,50	27,50
1,40	27,50
1,30	27,50
1,20	27,50
1,10	27,50

French fort props loads table

We - at GBM - manufacture 7 different models of french fort steel props. They are classified according to maximum extension and capacity. Below are their technical features.

Download the french fort props loads table

Dimensions table

French fort props
Inner diameter	mm	48,30
Outer diameter	mm	57,00
Plate	mm	120x120x5

Extension	55-80	80-130	110-180	170-300	200-360	250-450	300-500
(m)	(kN)	(kN)	(kN)	(kN)	(kN)	(kN)	(kN)
5,00							8,80
4,90							9,90
4,80							11,00
4,70							12,15
4,60							13,55
4,50						12,75	14,70
4,40						13,45	15,45
4,30						14,60	15,95
4,20						15,70	16,40
4,10						16,70	17,45
4,00						17,75	18,55
3,90						18,80	19,65
3,80						19,95	20,80
3,70						21,65	22,20
3,60					19,55	22,90	23,25
3,50					20,00	23,70	23,90
3,40					20,75	24,35	24,60
3,30					21,35	25,00	25,35
3,20					22,10	25,80	26,30
3,10					22,80	26,60	27,25
3,00				20,65	23,65	27,15	28,00
2,90				22,25	25,55	28,00
2,80				23,70	26,60	29,25
2,70				25,25	27,40	30,15
2,60				26,55	27,90	31,40
2,50				27,70	28,75	31,40
2,40				29,00	30,05
2,30				30,15	30,85
2,20				31,40	31,40
2,10				31,40	31,40
2,00				31,40	31,40
1,90				31,40
1,80			19,70	31,40
1,70			21,60	31,40
1,60			23,55
1,50			25,55
1,40			27,30
1,30		24,50	28,45
1,20		25,50	29,25
1,10		26,65	31,40
1,00		27,70
0,90		28,95
0,80	25,50	31,40
0,70	28,45
0,60	29,40
0,55	31,40

GBM props catalogue

Would you like to view the full GBM props catalogue?

Download the full catalogue in pdf format (5 MB)

Or go straight to the online version.

GBM Shoring Props: Data Sheet

GBM shoring prop specifications, data sheet & capacity tables: maximum extension, minimum extension, inner tube, outer tube, weight, compression... If you want to know it all, just...

Download the datasheet of our shoring props (PDF / 0.1 MB)