Waterproofing membrane
malthoid 5 ply is an asphaltic waterproofing membrane with a fibre felt carrier.
- Brickwork damp-proof course (DPC):
- Flat roof waterproofing where an asphaltic membrane may be used.
- In accordance with SABS Code of Practice 021/1973 – using either hot or cold bonding methods.
- As an underlay on timber decks.
- As a protection layer over abedex® torch-on waterproofing membranes prior to the application of screeds and tiles.
Advantages
- High resistance to puncture
- Easy to apply
- Protection of torch on membranes
- Rot proof
- Economical
Surface Preparation
All surfaces to be clean, dry, sound and free from sharp protrusions.
Bonding / Priming
- Prime concrete surfaces with bituprime and allow to dry
- Use bitugrip as an adhesive to bond malthoid 5 ply to primed concrete
- malthoid 5 ply to primed concrete
Coverage
Fully dependent on the type of application.
Application
Tear off paper wrapper and merely roll out product on surface. Use sharp knife to cut to required length.
Overlaps: 75 mm side laps and 100 mm end laps.
Typical Physical Properties
| Length of roll | 20m |
| Mass of roll (900 mm wide) | 55 kg |
| Mass of 20m roll | 55 kg |
| Mass/m2 | 3,05 kg/m2 |
| Thickness (nominal) | 2,8 mm |
| Pliability @ 25 ºC | No crack on 25 mm mandrel |
| Pliability @ 10 ºC | No crack on 75 mm mandrel |
| Surface finish | Fine washed sand |
| Heat test @ 80 ºC | No slump |
Cleaning
Tools, brushes and mixing equipment should be cleaned immediately after use and before material has set with abe® super brush cleaner followed by washing with soap and water.
Protection on Completion
Allow malthoid 5 ply to weather for six weeks before overcoating with silvakote® for protection against UV rays.
Temperature & Relatively Humidity
Care must be taken when unrolling malthoid if the temperature is below 5°C.
Model Specification
Two or three layer waterproof system. DPC in brickwork or under floor screeds.
Primer:bituprime
Adhesive: bitugrip
Coating: silvakote®
The waterproofing system/DPC shall be malthoid 5 ply, an asphaltic waterproofing membrane with a fibre felt carrier applied in accordance with the recommendations of a.b.e.®, including bituprime and bitugrip where necessary.
Packaging
malthoid 5 ply is supplied in 20 m x 900 mm rolls.
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
Do not use on completely flat roofs.
Minimum falls 2% or 1:50.
Stack full rolls on end not more than 1,8m 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.