Waterproofing Membrane
malthoid 3 ply is an asphaltic waterproofing membrane with a fibre felt carrier.
- Brickwork damp-proof coursing (DPC)
- Under roof slates and tiles
- Damp-proof coursing under floor screeds.
Advantages
- High resistance to puncture
- Self healing
- Easy to apply
- Economical
Surface Preparation
All surfaces to be clean, dry, sound and free from sharp protrusions.
Bonding / Priming
No priming required when used as a DPC or a slate and tile underlay.
Coverage
Use product as per required width.
Application
Tear off paper wrapper and merely roll out product on surface. Use sharp knife to cut to required length.
Protection on Completion
In the event of the malthoid being exposed, coat with silvakote for protection against UV rays.
Temperature & Relative Humidity
Care must be taken when unrolling malthoid if the temperature is below 5°C.
Typical Physical Properties
| Length of roll | 20 m |
| Mass of roll (900 mm wide) | 40 kg |
| Cut sizes | 112,5 mm 225 mm 300 mm 450 mm |
| Mass of 20 m roll | 4,5 kg 9,0 kg 12,0 kg 18,0 kg |
| Mass/m2 | 2,2 kg/m2 |
| Thickness (nominal) | 2 mm |
| Pliability @ 25 °C | No crack on 25 mm mandrel |
| Pliability @ 10 °C | No crack on 75 mm mandrel |
| Surface finish | Fine washed sand |
| Heat test @ 80 °C | No slump |
Model Specification
Roof slate and tile underlay. Damp proof course (DPC) in brick work. Damp proof course under floor screeds.
The slate/tile/DPC will be malthoid 3 ply, an asphaltic waterproofing membrane with a fibre felt carrier applied in accordance with the recommendations of a.b.e.® Construction Chemicals.
Packaging
malthoid 3 ply is supplied in various roll sizes:
- 20 m x 900 mm
- 20 m x 112,5 mm
- 20 m x 225 mm
- 20 m x 300 mm
- 20 m x 450 mm
Handling & Storage
This product has a shelf life of 24 months if kept in a dry cool place in the original packaging. In more extreme conditions this period might be shortened.
Caution
- Not for exposed roof waterproofing.
- Stack full rolls on end not more than two layers high.
- Cut rolls not more than 1,8 m high.
Health & Safety
Refer to material safety data sheet for further information.
Important Note
This data sheet is issued as a guide to the use of the product(s) concerned. Whilst a.b.e.® endeavours to ensure that any advice, recommendation,
specification or information is accurate and correct, the company cannot accept any liability for application – because a.b.e.® has no direct or
continuous control over where and how a.b.e.® products are applied.
Further Information
Where other products are to be used in conjunction with this material, the relevant technical data sheets should be consulted to determine total requirements.
a.b.e.® has a wealth of technical and practical experience built up over years in the company’s pursuit of excellence in building and construction technology.