At JGB we can offer you a complete watertight basement construction service, from excavation to completion of the guaranteed watertight structure. One contractor with all trades working together to give our clients complete satisfaction. We have many years experience working with Caltite and Pudlo concrete, market leaders in the supply of guaranteed waterproof concrete. We undertake backfilling, penetration sealing, perimeter footing drainage and ventilation features. Retaining walls can be decoratively finished, or prepared for plastering and decoration.