5‘ mason frame scaffolding is also called ladder frame or H frame scaffold etc. It is used a lot in USA and Canada. The mason frame standard size is 5′(W) x 5′(H). Distance between two mason frames is connected by cross braces(X brace) and protected by guard rails at the top.
5′ mason frame scaffolding is manufactured according to ANSI American Scaffolding Standard and CSA Canada Scaffolding Standard. Following you can find the test result for the 5′ mason frame 3 ties scaffolding tower. You will find
5′ Mason Frame Scaffolding SGS Test Result
- Total Ultimate Load Test 47550 LBS (Average of 3 Frame Sets)
- Leg Load Test: 12226 LBS
- The Factor of Safety: 4 (ANIS and CSA Standard)
- Allowable Leg Load: 2972 LBS (Average Per Factor Safety)
Items | Total Ultimate Load | Leg Load | Factor of Safety (FS) | Allowable Leg Load |
1 | 48906 LBS | 12226 LBS | 4 | 2972 LBS (Avg/FS) |
2 | 44508 LBS | 11127 LBS | 4 | |
3 | 49236 LBS | 12309 LBS | 4 | |
Average Utimate Load | 47550 LBS | 11887 LBS | 4 |

Wellmade’s Frame Daily Bearing Test During Manufacturing
Size | Ultimate Bearing KN | Ultimate Load LBS | Ultimate Load Per Leg LBS | Safety of Factor | Allowable Load LBS/Factor of Safety |
5’x5′ x 7′ Mason Frame | 184.56 | 41518.19 | 10379.55 | 4.00 | 2594.89 |
