Dr.Fixit Uniproof 4000|White Liquid Waterproof Sealant for Roof | Outdoor Water-Based Waterproof Coating.

RACO Dr. Fixit UniProof 4000 is an improved, single component. UV stable, elastomeric waterproof coating with anti-fungal properties.

✅Typical Applications

All types of roofs such as concrete, metal, asbestos etc.

Protective coating over PU foam insulations.

Protective coating on concrete bridge decks & underpasses.

Protective coating for exterior walls, plasters, renders etc

✅Method of Application

✔️1 SURFACE PREPARATION

Ensure the roof to be treated has a minimum of 1: 100 drainage fall to a suitably sized outlet.

All substrates must be sound, stable and free of dust, dirt, oil and any other contaminants which may

Impair adhesion.

Mineral substrates must exhibit a smooth absorbent surface profile; any spalled or damaged surfaces must be repaired using a suitable Dr. Fixit Repair material

o Metal roofs must be free of rust and all fixings must be securely tightened. All gaps between overlapping

metal panels must be sealed using a suitable approved acrylic sealant.

All penetrations through the roof such as pipework or ducting must be sealed using a suitable approved sealant or expanding foam filler.

Ensure detailing work is carried out on seams, splits, protrusions, fixings, drains, flashings, fasteners etc.

✔️2. PRIMING

o Porous substrates should be primed with penetrating acrylic primer or using one coat of Dr. Fixit Uniproof 4000 mixed with water upto 1:3 ratio, the primer should be allowed to dry for a minimum of 1 to 2 hours before over coating.

✔️3 APPLICATION

o All cracks and movement joints in mineral substrates, joints in roof panels, penetrations and abutments with upstands must be reinforced using a suitable reinforcing fabric set into a coat of Dr. Fixit Uniproof 4000. o Apply Uniproof 4000 at a coverage of 0.9-1.0 kg/sq.mt/coat using brush, roller or spray. Allow 3-4 hou