| RADON Protection Systems . | 7 suppliers |
| RADON Barriers . | 6 suppliers |
| GROUND GAS Sumps . | 5 suppliers |
| MEMBRANES Radon Barrier . | 5 suppliers |
| MEMBRANES Radon Resistant . | 5 suppliers |
| RADON Sumps . | 5 suppliers |
| CAVITY BARRIERS Radon Gas Barriers . | 4 suppliers |
| GROUND GAS Protection Systems . | 4 suppliers |
| MEMBRANES LIQUID APPLIED Radon Resistant . | 4 suppliers |
| RADON Cavity Barriers Radon Gas Resistant | 4 suppliers |
| GROUND GAS Venting Systems . | 3 suppliers |
| MEMBRANES Loose Laid Radon Barrier | 3 suppliers |
| MEMBRANES LIQUID APPLIED Radon Gas Barrier . | 3 suppliers |
| RADON Barriers Loose Laid | 3 suppliers |
| GROUND GAS Protection Panels . | 2 suppliers |
| GROUND GAS Venting Systems Passive Gas Venting Media | 2 suppliers |
| RADON Gas Evacuation Passive Gas Extraction Airbricks | 2 suppliers |
| CAVITY WALL Ventilators Passive Radon Gas Evacuation | 1 supplier |
| DAMPCOURSES Radon Resistant . | 1 supplier |
| GROUND GAS Protection Systems AGREMENT CERTIFICATE HOLDERS | 1 supplier |
| GROUND GAS Protection Systems BS 8485:2015 | 1 supplier |
| GROUND GAS Protection Systems CIRIA C748 Compliant | 1 supplier |
| GROUND GAS Venting Systems BS 8485:2015+A1:2019 | 1 supplier |
| GROUND GAS Venting Wells . | 1 supplier |
| INSULATION BOARDS Radon Barrier . | 1 supplier |
| INSULATION BOARDS Recycled Glass Aggregate Radon Protective | 1 supplier |
| MEMBRANES Loose Laid Radon and Methane and CO₂ Resistant | 1 supplier |
| MEMBRANES Loose Laid Radon and Methane Resistant | 1 supplier |
| MEMBRANES Loose Laid Radon Barrier AGREMENT CERTIFICATE HOLDERS | 1 supplier |
| MEMBRANES LIQUID APPLIED Radon Gas Barrier AGREMENT CERTIFICATE HOLDERS | 1 supplier |
| PUDDLE FLANGES Radon Barrier . | 1 supplier |
| RADON Barriers AGREMENT CERTIFICATE HOLDERS | 1 supplier |
| RADON Cavity Barriers Threshold Protection | 1 supplier |
| RADON Mitigation Fans . | 1 supplier |
