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Vulkem Non Exposed Membrane:  

 

Vulkem Non Exposed Membrane - One part polyurethane waterproofing membrane

 

Key benefits summary

 

Permanently flexible 600%

Meets requirements of AS3740-2004

Fast curing

Compatible with Metz and RLA tile adhesives

High strength and puncture resistant

Vertical and horizontal applications

Easy to apply

Resistant to range of chemicals and pollutants

 

Description

 

Vulkem Non-Exposed is a single pack elastomeric, moisture curing, high tensile strength and tough curing polyurethane membrane. It cures to form a flexible rubber membrane. Vulkem Non-Exposed Membrane may be used to apply a

seamless, monolithic waterproof membrane to concrete substrates, compressed sheeting plywood which is well anchored and primed. Simple and easy to apply by either notched trowel, roller or brush.

 

Usage

 

Wet Area

Laundries, showers

Roof terraces

Kitchens

Decks

Balconies

Concrete Substrate Plazas

Sandwich membrane

 

Colour: Grey

 

Pack size product code

 

19 Litre Pail 215110

600ml sausages 215111

 

Typical physical properties:

 

Property

Test Method

Result

Tensile

ASTM D-412

2MPa

Elongation

ASTM D-412

600%

Hardness (Shore A)

ASTM C-661

20

Peel Strength

ASTM C-794

133N

Permeability

E-96

0.12metric perms

UL 790 CLASS A FIRE RATING

CAN/ULC – S102.2 – M88 CLASS A RATING

 

Wet Material Properties

 

VOC

 

205g/L

Viscosity, cps

Brookfield HBT

8-10,000

Cure Time

ASTM D-1640

48 hours max@25°C-50% RH

Flash point

Setaflash

45°C

 

NOTE: Typical Properties should not be used as Specifications.

 

Usage guidelines

 

One part urethane, Vulkem Non-Exposed Membrane bonds firmly to clean, dry concrete and well anchored wood substrates. It retains its integrity even if the substrate movement causes hairline cracks up to 1.5mm. It cut or damaged,

Vulkem Non-Exposed Membrane will prevent water migration between its substrate. Vulkem Non-Exposed Membrane can be finished after a 48 - 72 hour cure at temperatures over 15.6 C.

 

Substrate preparation

 

Concrete should be cured for 28 days. Remove all dirt, dust, plaster, cement

droppings, protrusions, oils and other contaminants. Fill screw holes.

 

To the wall/floor junctions and the floor/hob, hob/wall joints within the shower tray, apply fillet bead of Polyurethane Sealant as a bond breaker. Apply sealant around floor penetrations, tap and shower rose and other discontinuities Floor wastes in concrete shall be cut level with the floor. For

sheet flooring, leak control flanges shall be fitted and fully sealed.

 

Cracks: non movement and hairline cracks may be filled with a brush coat of Vulkem Non-Exposed Membrane. Movement cracks to be routed out, cleaned and filled with Polyurethane Sealant

 

Priming

 

All wood surfaces are to be primed using Vulkem Primer 171

All metal surfaces are to be primed using by TREMprime Non-Porous Primer (Vulkem Primer 181)

Existing polyurethane membrane surfaces are to be primed using Vulkem Primer 191

 

Method of application

 

Mix the Vulkem Non-Exposed Membrane to ensure no settlement of the material is in the bottom of the pail and the colour of the material is consistent with no

streaks or striations

 

All internal wet areas should be waterproofed to meet AS 3740-2004 requirements

 

Apply one coat of Vulkem Non-exposed Membrane at specified coverage rates using either brush, roller or squeegee

 

Ensure the membrane is turned down into the floor waste or well sealed around the leak control flange and other penetrations. Ensure flashing angles are properly sealed across doorways. Check for pin holes in the membrane when dry and rectify.

 

A light broadcast of sand into the Vulkem Non-Exposed Membrane, while still wet will ensure good bond with tile Adhesive

 

Coverage

 

Approximately 1.2L/m2 at a dry film thickness of 1mm (approximately 16m2 per 18.9L pail to achieve the waterproof requirements as stated in AS 3740-2004.

 

Approximately 0.6L/m2 at a dry film thickness of 0.5mm (approximately 32m2 per 18.9L pail) to achieve water resistant requirements as stated in AS 3740-2004 (vertical applications)

 

Clean Up

 

Thoroughly clean tools with Tremco IPA Cleaner before handling. Clean hands with Tremco Tub O’ Towels or soapy water.
 

 

Waterproofing FAQ

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Waterproof Drainage Sheet

Waterproofing Primer

Repair and Maintenance