Injection is carried out with a minimum team of two

Illustration of injection steps: drill - flush - inject

Pointing before waterproofing injection

Raft being set up for waterproofing injection over a watercourse

Masonry bridge before refurbishment

Coring weep holes

Waterproofing works to railway culvert in Somerset

During injection: evidence of PU penetration on face of barrel

PU resin penetrating to face of culvert

Railway culvert: ground consolidation injection to support piers

Waterproofing injection to tunnel (Isle of Wight): PU evidence on face of barrel

Preparation for acrylic waterproofing injection to masonry bridge (Surrey)

Waterproofing & Strengthening injection steps: (1)+(2): Brickwork re-bonding with PU, (3) Acrylic waterproofing to backfill

Leak-sealing injection in underground station (before)

Drill holes along [...] in preparation for injection

During injection

Map recording injection locations

Map recording injection quantities

Leak-sealing injection in underground station (after)