I have generally roofer labourer for 2 years now with companies like MDL & CLADDING SOLUTIONS, DPM PROPERTY SERVICES.  mainly my work revolved around scrape and pulling of old roofing, apply layer of tar roof, apply gravel ,shingles or asphalt over tar layer,cover roof with roofing felt, asphalt strips or other materials,clear out gutters and drains,clear debris from roof,unloading materials from truck and unroll roofing material .