Flexible Membrane
Rotafix Flexible Membrane is a 2 part elastomeric system consisting of a cementitious dry pack and a flexible acrylic latex. The dry pack, Rotafix paint dry pack, is a mixture of a unique blend of cement powders, fillers and admixtures. When the powder is mixed with the latex, Rotafix flexible latex, a white coating is produced which is extremely adhesive, flexible and waterproof. The material is an anti-carbonation, protective, flexible coating to concrete and cementitious materials.
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Flexible Membrane
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Product Details
Flexible Membrane
Rotafix Flexible Membrane is a 2 part elastomeric system consisting of a cementitious dry pack and a flexible acrylic latex. The dry pack, Rotafix paint dry pack, is a mixture of a unique blend of cement powders, fillers and admixtures. When the powder is mixed with the latex, Rotafix flexible latex, a white coating is produced which is extremely adhesive, flexible and waterproof. The material is an anti-carbonation, protective, flexible coating to concrete and cementitious materials.
Extremely adhesive, flexible & waterproof
A 2 part elastomeric system consisting of a cementitious dry pack and a flexible acrylic latex.
Rotafix's strengthening techniques were invaluable to the project by ensuring the complex remained open throughout the repair works and the aesthetic of the exposed timber frame was retained.
— J LongwillStructural Engineer
Light Weight Epoxy Mortar - great product, great service, all companies should be like this, Thanks
— Ian ForwardBradford, UK
Rotafix Structural Adhesive - Excellent product
— Keith Burdett Wales
Good technical support on all aspects of wood repairs continues to play a major role. The quality and service of Rotafix is critical, as well as timely delivery. Rotafix staff are always very accommodating to ensure the applications are suitable.
— J.R.SolomonWinnipeg, Canada
Additional Information
Available Sizes
- 25kg (Product code: 3406)
Product Coverage
1 x 15kg treats 5m² of concrete at 2 x 1 mm cover
1 x 25kg treats 8m² of concrete at 2 x 1 mm cover
How to use
On heavily contaminated concrete and other surfaces, any dust, dirt, oil grease and organic grouth must be mechanically removed until a good, sound, strong substrate is obtained. Vacuum clean or blow away all dust and debris.
On weak, friable or porous substrates, use Rotafix primer latex to penetrate, consolidate and seal the surface. With a brush or a soft broom brush the latex completely and evenly over the surface. Work the latex well into the substrate.
Pay particular attention to the edges of the repair, and brush the liquid at least 25mm beyond the perimeter of the repair area. Let the latex dry out, usually 15 to 20 minutes depending on conditions.
If the substrate requires a primer or to enhance the bond, apply a second coat of latex to the first coat. Normally, 1 litre of Rotafix primer latex will treat 5m² of concrete surface with 2 coats of latex.
Mix and apply Rotafix flexible paint by soft brush or broom, roller or spray. Work the material well onto and into the surface to minimise voids at the bondline and to enhance the contact of the paint with the substrate.
Apply the first coat of membrane by brush, steel float or spatula at the rate of 1 litre/m² (1mm cover/m² of concrete), and spread the membrane completely and evenly over the concrete surface. Let the first coat dry out before applying the second coat, which ca vary from 1 to 24 hours, depending on conditions of temperature, humidity and wind. When the first coat is sufficiently dry and firm, repeat the procedure for the second coat.
If the membrane is spray applied, two coats can be applied in one operation. Spray wet on wet“. Apply the first coat at the rate of 1 litre/m² and return a few minutes later to apply the second coat.
The spread rate for a 2 coat application is 2.0 litres/m²
The number of coats, and total thickness of the membrane cover over the concrete surface, should not be less than 2 x 1mm.
Product Support
For technical advice call us on+44 (0) 1639 730481 or email sales@rotafix.co.uk to discuss your requirements.
Pack Includes
25kg Bag
Product Instructions
FAQs
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