Floor Joist Span Calculator C24

Two additional joists required bold text normal bearing of 40mm to be doubled.

Floor joist span calculator c24.

Permissible clear spans for domestic floor joists strength class c16 table 2. Span calculator for wood joists and rafters also available for the android os. 6 4 appendix 6 4b table 1. Click on a span to generate a full calculation you can adjust the exact span.

This span table is to the format and methodology given in bs 5268 7 2. This span table is to the format and methodology given in bs 5268 7 3. Floor joist span tables for surveyors floor construction. These span tables are the equivalent of other industry standard span tables and are calculated to the same standards.

C24 and i joists the weight of the timber floor itself consists of the timber joists the plasterboard ceiling underneath it except for suspended timber ground floors the floorboards and the nails or screws used to fix both of the aforementioned coverings. Dead load per square metre in kn m supported by joists. Permissible clear spans for domestic floor joists strength class c24. The floor joist span tables are based on the loadings given in the amended version of bs 6399 1 which is an imposed load of either a uniformly distributed load of 1 5 kn m or a concentrated load of 1 4 kn.

Span tables for timber floor joists table 1. Back floor joist calculator. Select the on center spacing for the joists. The highest is a fully loaded floor 70 pounds per square foot.

The lowest is a plain ceiling joist with no storage 10 pounds per square foot. There are six choices. The floor joist span tables are based on the loadings given in the amended version of bs 6399 1 which is an imposed load of either a uniformly distributed load of 1 5 kn m or a concentrated load of 1 4 kn. Click on a span to generate a full calculation you can adjust the exact span.

Imposed load not exceeding qk 1 5 kn m2 or qk 0 90 kn. Permissible clear spans for domestic floor joists. These spans were calculated using our flat roof joist calculation engine. Other span tables are based on the.

Most lay outs are on 16 so the field is pre selected. Back floor joist calculator. Our floor joist span tables are based on loadings given in the newer amended version of bs 6399 1. Materials for metal support and restraint components and recommended protection levels table 2.

These spans were calculated using our ceiling joist calculation engine. Span tables for domestic floor joists to bs 5268 7 1 note. Our floor joist. These span tables are the equivalent of other industry standard span tables and are calculated to the same standards.

This is how far apart they will be. This means that some values are slightly more conservative than span tables from other sources if those do not include the amended guidance.