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Waterproof Shower Recess liquid membrane:

 

Duromastic P15 membrane is a modified acrylic urethane membrane. This membrane has been formulated to create a tenacious bond to most surfaces.  It is a tough flexible waterproof membrane with a high film strength, and exceptional elongation and elasticity, that will expand and contract under normal substrate movement. It is supplied as a thixotropic liquid, which is easily applied to both vertical and horizontal surfaces. The formulation is fully optimised to ensure quick tack free time, fast cure, high solids, excellent chemical resistance. It fully complies with the test requirements of AS:4858-2004 and AS:3740:2004 "Waterproofing of Wet Areas within residential buildings"

 
PRINCIPLE CHARACTERISTICS

 

Single component  

Water based  

Excellent water resistance  

High Solids  

Ease of application - brush / roller  

Tenacious bond  

Suitable for most substrates  

High tensile film strength & elongation  

Does not bleed or leach  

Low VOC   

 

USE AREAS
 

Internal Wet Areas and Shower Recesses  

External Balconies and Decks  

Tanking  

Roofs - topcoat with Duro AC (UV coating)

Water Features 
 
Note: Membrane is not to be exposed. For exposed applications, topcoat with DuroAC (UV coating)
 

GENERAL

 

Colour  

Grey or Green  

Weather Resistance  

Good  

Dry Time  

2-4 hours @ 25o C  

Recoat Time  

4-6 hours @ 25o  C  

Floor Coverage  

Min 2 coats, each @ 1.0 litre/m2[0.5m2/litre]  

Wall Coverage  

Min 2 coats, each @ 0.5 litre/m2[.25m2/litre]  

Wet Film per coat  

1.0mm  

Wall Coverage  

1.2 mm (Class III)  

Dry Film Thickness  

1.2mm total (Class III)  

Elongation  

800% + @25o C  

Solids Content  

61% by volume  

Shelf Life  

12 months in unopened containers @ 20o C  

 

INSTALLATION  

 

SURFACE PREPARATION  

 

Ensure linings are firmly fixed to manufacturer's directions. Surface must be free of dirt, dust, loose particles, oil, contaminants and curing compounds etc. Concrete must be a minimum strength of 20mpa and have cured a minimum of 28 days. Surface must be dry. Fill all screw holes, cracks and voids with mastic PU or neutral-cure silicone. Install leak control flanges to all pipe penetrations.  

 

PRIMING  

 

Prime fibre cement board, sound concrete and block work with Duro ARW  

internally. For external applications prime with Duro AR Sealer applied at approximately 6m2/litre. Damp areas and areas subject to rising damp should be sealed with Duro WBE. Allow primer to dry prior to membrane application. All PVC fittings to be etch primed.  

 

DETAILING  

 

Apply a 12mm fillet of neutral cure silicone between all horizontal and vertical  

junctions such as floor to wall, wall to wall, all hob junctions and any joints in the substrate. Apply neutral cure silicone around penetrations and outlets. Where angles are installed, such as across bathroom doorways or under shower screens (hobless showers), the angle must be firmly adhered. Joints, corners & other details shall be reinforced with polyester bandage which must be fully wetted out with out wrinkles or bubbles. Alternatively, Wrimco Flashing Tape may be used   
 

APPLICATION  

 

To the primed surfaces, apply Duro P15 by brush or roller in at least two or more coats to achieve a minimum dry film thickness of 1.0mm. Turn membrane up to walls, penetrations and down into drainage outlets. When dry, check for pinholes and recoat if necessary. If membrane becomes dirty or damaged between coats, clean with water and recoat.  All sheet flooring must be fixed according to the manufacturer's directions before membrane, is applied. Do not apply above 30o C or below 10o C ambient.
 

CLEAN UP  

 

Duromastic P15 may be cleaned from equipment with water when still wet.
 

FLOOD TEST & TILING  

 

A flood test may be carried out after 72 hours of drying, @25o C, 50% R.H. Water shall cover to a depth of 25mm for approximately 2 hours. Duro P15 may be tiled over after 3-4 days @ 25o C & 50% R.H., using a quality cement based tile adhesive installed as per AS 3958.1.  

 

STORAGE  

 

Stored in unopened original containers, Duro P15 has a shelf life of 12 months. Store between 5o C and 30o C and away from direct sunlight. Opened pails may form a skin on the surface but this can be removed and the remaining product used.  

 

HEALTH & SAFETY  

 

Avoid prolonged contact with skin. Material Safety Data Sheets are available 
Duro P15 membrane is a modified acrylic urethane membrane. This membrane has been formulated to create a tenacious bond to most surfaces.  It is a tough flexible waterproof membrane with a high film strength, and exceptional elongation and elasticity, that will expand and contract under normal substrate movement. It is supplied as a thixotropic liquid, which is easily applied to both vertical and horizontal surfaces. The formulation is fully optimised to ensure quick tack free time, fast cure, high solids, excellent chemical resistance. It fully complies with the test requirements of AS:4858-2004 and AS:3740:2004 "Waterproofing of Wet Areas within residential buildings" 

 

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