Delta AT 800 - Gas Resistant Cavity Membrane
Verified by manufacturer 3 months ago
Gas resistant Type C cavity drainage membrane (unique)
Application
Suitable for:
- New and existing buildings.
- High volumes of water penetration.
- Ground gas protection.
Description
Delta AT 800 - Gas resistant cavity membrane is an innovative drainage membrane that offers maximum protection in just one application. Conforms to BS 8102:2022 and BS 8485:2015+A1:2019, Table 7 achieving waterproofing and ground gas protection simultaneously. This Virgin Polymer profiled membrane with superior drainage capacity and compressive strength has been used in the construction of the Gothard tunnel and several stations of the Moscow Metro.
Features and benefits:
- Rapid cost effective installation.
- Compatible with all types of construction.
- Ideal for complex substructures.
- Guaranteed performance.
- A reversible system, which will minimize damage to historical or heritage structures.
- An effective barrier to the transmission of salts, liquid water and water vapour.
- An effective barrier to gas – including Methane, CO2 and Radon.
- Durable for 100 years in natural soil with 4 ≤ pH ≤ 9 and soil temperature ≤ 25 °C.
- BS 8102:2022, code of practice for protection of below ground structures against water from the ground.
- Table 7, BS 8485:2015 +A1:2019, code of practice for the design of protective measures for methane and carbon dioxide ground gases for new buildings.
Characteristics:
- Dimpled sheet - virgin polymer with a flat edge.
- Dimpled height (EN 964) approx. 9 mm.
- Air gap between dimples approx. 7. 9 l/m².
- Contact area dimples/surface approx. 700 cm²/m².
- Diagonal dimples per m² approx. 2.500 Pcs.
- Packaged in 6 rolls on pallets, size: 20 x 2 m.
- Straightness (EN 1848-2) passed <75 l/m².
- Certification specification sheet alp transit passed.
Properties:
- Pressure resistance: (EN ISO 25619-2), approx. 650 kPA.
- Resistance against mechanical perforation (EN 918) Diameter of hole: 13.4 mm.
- Service temperature range: 30 °C up to + 80 °C.
- Resistance to water penetration (EN 1928) waterproof.
- Resistance o f waterproofness against artificial aging at elevated temperatures (EN 1296) passed.
- Durability under alkaline environment (EN 13984) passed.
- Methane permeability (EN ISO 15105-1), <31 (less than) ml/m2/day/atm.
General information
Color | Brown |
Material | Polyethylene Guidance for specification option: (HDPE) |
Length | 20000 mm |
Width | 2000 mm |
Height | 8 mm |
Warranty description | 30 year |
Uniclass | |
CAWS | J40/35 Loose-laid plastics or rubber gas-retardant membranes J40/140 Loose-laid plastics or rubber sheet gas-retardant membranes |
Specification data - Gas-resistant damp-proof courses
Material | Virgin polymer profiled membrane. |
Compatibility | Drainage protection suitable for Type C waterproofing (Grade 3 environment). |
Drainage capacity | Manufacturer guidanceDrainage Capacity in the plane (EN ISO 12958), consult manufacturers specification. |
Sustainability data
Contains Red List materials | No |
Country of product manufacture | Germany |
Material | Polyethylene Guidance for specification option: (HDPE) |
Recyclability | Yes |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
BIM objects
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
| Platform | Compatible | Version |
|---|---|---|
 Revit | - | 1 |
 IFC | - | 1 |