Profile: UK Screed and Grout Pumps Ltd. offers a large fleet of pumps. SP11 range of worm pumps offers an impressive, sophisticated design and simple operation. The machines are suitable for site mixes or bagged interior and external rendering, coloured mortar, limestone mortar, base plaster, light wall mortar, ornamental plaster, liquid screed and for filling & grouting work. Screed pumps are suitable for complex constructions and buildings with difficult access where materials can't be carried up manually.