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 abe® index torch-on waterproofing membranes prior to the application of screeds and tiles.
- High resistance to puncture.
- Easy to apply.
- Protection of torch on membranes.
- Rot proof.
All surfaces to be clean, dry, sound and free from sharp protrusions.
Bonding / Priming
- Prime concrete surfaces with bitu.®prime and allow to dry.
- Use bitu.®grip as an adhesive to bond malthoid 5 ply to primed concrete.
Fully dependent on the type of 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)||55kg|
|Mass of 20m roll||55kg|
|Thickness (nominal)||2,8 mm|
|Pliability @ 25ºC||No crack on 25 mm mandrel|
|Pliability @ 10ºC||No crack on 75 mm mandrel|
|Surface finish||Fine washed sand|
|Heat test @ 80ºC||No slump|
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 abe® silvakote for protection against UV rays.
Temperature & Relatively Humidity
Care must be taken when unrolling malthoid if the temperature is below 5°C.
Two or three layer waterproof system. DPC in brickwork or under floor screeds.
Primer: abe® bitu.®prime.
Adhesive: abe® bitu.®grip.
Coating: abe® 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.® Construction Chemicals, including abe® bitu.®prime and abe® bitu.®grip where necessary.
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.
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.
This data sheet is issued as a guide to the use of the product(s) concerned. Whilst a.b.e.® Construction Chemicals endeavours to ensure that any advice, recommendation, specification or information is accurate and correct, the company cannot – because a.b.e.® Construction Chemicals has no direct or continuous control over where and how a.b.e.® Construction Chemicals’ products are applied – accept any liability either directly or indirectly arising from the use of a.b.e.® Construction Chemicals’ products, whether or not in accordance with any advice, specification, recommendation or information given by the company.
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.® Construction Chemicals has a wealth of technical and practical experience built up over years in the company’s pursuit of excellence in building and construction technology.