Verified by manufacturer 3 months ago
A drainage board with integral filter layer for extensive green roofing.
Radmat DM12 is a drainage element for use beneath bedded paving or a cast concrete slab installed above waterproofing or ProTherm Min-K layer in inverted roofing.
A drainage board with integral filter layer for extensive green roofing.
Features and benefits:
Color | Black |
Finish | Unfinished |
Material | Polyethylene High density polyethylene (HDPE) |
Shape | Other |
Length | 50000 mm 25000 mm |
Width | 1100 mm 2200 mm |
Height | 12 mm |
Warranty description | 40 year |
Uniclass | |
CAWS | Q37/355 Combined layers Q37/350 Drainage layer Q37/340 Moisture retention mat Q37/360 Filter membrane J40/290 High-density polyethylene/ polypropylene studded cavity drain membrane J40/47 High-density polyethylene/ polypropylene studded cavity drain membrane |
Standard | To BS EN ISO 9863-1, BS EN ISO 10319, BS EN ISO 12956, BS EN ISO 12236, BS EN ISO 13433, ASTM D1603, BS EN ISO 9864, ASTM D7361-07, BS EN ISO 11058 and BS EN ISO 12958. |
Filter layer | Non-woven needle punched geotextile. |
Stud height | Manufacturer's standard.Guidance for specification option: Studded layer: High-density polyethylene (HDPE). |
Sheet thickness | 12 mm.Guidance for specification option: -10%. Manufacturer guidanceat 2 kPa |
Weight (minimum) | 970 g/m².Guidance for specification option: Approximate, to BS EN ISO 9864. |
Colour | Black. |
Performance characteristics | |
Flow rate | 95 l/m²/s, 2.5 x 10⁻³ m/s.Guidance for specification option: ±30%. Manufacturer guidanceAt 50 mm head At 2 kPa permeability (coeff) to BS EN ISO 11058 |
Recycled content | 50%. |
Length | 50 000 mm. 25 000 mm. |
Width | 1100 mm. 2200 mm. |
Tensile strength MD/CD | 9.5/9.5 kN/m. Guidance for specification option: -15%. Manufacturer guidanceBS EN ISO 10319 |
Elongation | 50/50%. Guidance for specification option: ±30%. Manufacturer guidanceBS EN ISO 10319 |
Aperture size | 115 µm. Guidance for specification option: ±30%. Manufacturer guidancePore size 0₉₀ (to BS EN ISO 12956) |
CBR puncture resistance | 1600 N. Guidance for specification option: To BS EN ISO 12236, -15%. |
Performance | 32 mm. Guidance for specification option: +25%. Manufacturer guidanceDynamic cone drop to BS EN ISO 13433 |
Carbon black content (to ASTM D 1603) | 0.8–2.5%. |
Tensile strength MD/CD | 9.5/9.5 kN/m. Guidance for specification option: -15%. Manufacturer guidanceBS EN ISO 10319 |
Compressive strength (minimum) | 700 kPa. Manufacturer guidance(Ultimate) to BS EN ISO 10319 |
Compressive strength - Permanent | 250 kPa. Manufacturer guidance/ Long term loading strength (100+ years) to BS EN ISO 10319 |
Strength | 200 kPa. Guidance for specification option: Long-term loading strength (100+ years) to ASTM D7361-07. |
Elongation MD/CD | 45/30%. Guidance for specification option: To BS EN ISO 10319, ±10%. |
CBR puncture resistance | 1600 N. Guidance for specification option: To BS EN ISO 12236, -15%. |
Water flow (in plane) | 1.0/0.1. Guidance for specification option: MD/CD: HG = 1.0:
HG = 0.1:
NOTES
Manufacturer guidance(Hydraulic gradient) MD/CD (to BS EN ISO 12958): |
Contains Red List materials | No |
Country of material origin | United Kingdom |
Country of product manufacture | United Kingdom |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 50 % |