Water Proofing

Discussion

PLATICRYL is a pure acrylic waterproofing polymer, modified with latex that allows extreme

flexibility, UV stability and adhesion.

The dry film characteristics are unlike traditional

waterproofing compounds, showing over 350% elongation and a life expectancy of 8 years.

When reinforced with stitch bonded polyester, it forms a homogeneous seamless waterproofing system.

PLATICRYL in conjunction with stitch bonded polyester is suitable for; flashing, parapet walls,

properly graded roof decks, lap joints, roofing screws and many other waterproofing details.

PLATICRYL is available in 20L and 5L containers and in a range of five different colors.

Physical Properties

Colour: Red, Grey, Black, Terracotta and White.

Application: Brush, roller or spray

Coverage: 2.0L/m2 (depending on surface porosity)

Total Solids: +/- 70%

Specific Gravity: +/- 1.2

Viscosity: 100 Krebbs Units at 25ºC

Drying Time: (Between Coats) Minimum 30 minutes at 25ºC at 65% R.H.

(Last Coat) 2-3 hours before resistant to rain.

Full cure 12-20 hours at 25ºC at 65% R.H

Cleaning: Water when wet. Ethyl acetate when dry.

Flammability: Non Flammable

Surface preparation

All forms of surface contamination must be removed to ensure a smooth surface, free of moisture

and any loose material, or any other barrier to adhesion. Steel and galvanised steel surfaces

must be free of loose paint, grease, grime, oil and rust.

Technical assistance and applicator training are freely available to all approved users

Application

PRIMING:

All non-metal surface – use a 50% PLATICRYL and clean water mix to prime the entire surface, allow a 30 minute drying time. An acrylic bonding liquid may also be used.

On metal surfaces – Prime with Darachem DC4 and allow 4 hour drying time

Apply at the rate of 1L/m2 undiluted PLATICRYL and immediately embed the SBP Geo-Fabric

into the wet product ensuring no creases or folds in the material. Work the membrane into the

PLATICRYL using a brush. Product should be evident “striking through” the membrane and if this

is not the case, too little product has been applied or the product has been allowed to dry before

embedding the membrane.

After allowing a minimum drying period of 30 minutes, apply a second coat PLATICRYL at the

rate of .5L/m2

Apply a further final coat of PLATICRYL at the rate of .5L/m2

It will be noted that a total of

2.L/m2 of PLATICRYL has now been applied. The minimum weight of the membrane alone shall

be 100g/m2

The total weight per m2 shall therefore be 1.5 kg

Note drying times are based on a temperature of 250 c min. and a R.H. of 60% max.

Technical assistance and applicator training are freely available to all approved users.

Maintenance

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