1. Introduction
2. Data and Derived Quantities
2.1. ALMA Data
2.2. LBG Candidates
2.3. ALMA Stacking Considerations
2.4. Photometric Redshifts
2.5. Magnification Factors
2.6. UV-Continuum Slope
2.7. Stellar Masses
2.8. (Specific) Star Formation Rates
2.9. ALMA Primary-Beam Corrections
2.10. ALMA Peak Fluxes
2.11. UV Luminosities
2.12. IR Luminosities
2.13. IRX Relations
3. Methods
3.1. Target Final Sample
3.2. Stacking
3.3. Considerations on Stacking Weighting
4. Results
4.1. Individual Results
4.2. Stacking Results
5. Discussion
5.1. Individual Constraints
5.2. The Role of Dust Temperature
5.3. ALMA-FF LBG Sample Overview
6. Summary and Conclusions