About this Product
triple strength medusa is an admixture in white powder form. Its addition to a mortar mix will improve the water repellence of the finished work
Features and Benefits
▲ Provides increased water repellence ▲ Assists in providing even suction in undercoats ▲ Reduces water permeability ▲ Reduces surface water absorption
triple strength medusa is not suitable for use with high alumina or calcium aluminate cements
BS EN 13914-1 Design preparation and application of external rendering and internal plastering and BS 8000-10 Workmanship on building sites. Code of practice for plastering and rendering, should be followed at all times.
weber's Customer Services Department has a team of experienced advisors available to provide on-site advice both at the specification stage and during application. Detailed specifications can be provided for specific projects or more general works. Site visits and on-site demonstrations can be arranged on request.
Tel: (01525) 722110
Fax: (01525) 718988
Sales, England and Wales
Tel: (01525) 722100
Fax: (01525) 718988
Tel: (0141) 445 0121
Fax: (0141) 445 0122
Tel: (028) 9335 2999
Fax: (028) 9332 3232
Material Safety Datasheet
Preparation & Application
Preparation and Application should be in accordance with the specification and relevant British Standards for the work to be carried out.
Mix triple strength medusa at a rate of one 330 g sachet per 50 kg (2 x 25 kg bags) of cement.
Mix the powder with the cement and aggregates in the dry state. Thorough mixing is essential, but air entrainment and possible loss of strength may occur if machine mixing is unduly prolonged once the water is added. Only clean, sharp, well graded sand should be used for rendering.
In all cases the strength of the mix should be in accordance with the specification and British Standards applicable to the particular work to be carried out.
Packaging, Health & Safety
triple strength medusa is available in 330 g sachets (20 per carton) or 5 kg sacks.
Coverage / Yield
One 330 g sachet is sufficient for a mix containing 50 kg cement. 1 kg is sufficient for a mix containing 150 kg cement.
Storage and Shelf Life
Store in dry conditions.
Shelf life of unopened sachet is at least 12 months.
Health and Safety
Essentially not hazardous.
Not harmful during normal use.
After contact with skin, wash immediately with plenty of water.
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Keep out of the reach of children.
For further information, please request the Material Safety Data Sheet for this product.
Other products in the range
Adhesive for fixing render beads to substrates
Masonry biocide which can be used on most interior and exterior surfaces
Liquid paint primer
Powder additive accelerator for Monocouche renders
Liquid additive accelerator for Monocouche renders