Dr. Fixit UniProof 4000 is an improved, single component, UV stable, elastomeric waterproof
coating with anti-fungal properties.
Typical Applications
oAll types of roofs such as concrete, metal, asbestos etc.
o Protective coating over PU foam insulations.
o Protective coating on concrete bridge decks & underpasses.
o Protective coating for exterior walls, plasters, renders etc.

Method of Application
1 SURFACE PREPARATION
o Ensure the roof to be treated has a minimum of 1: 100 drainage fall to a suitably sized outlet.
o All substrates must be sound, stable and free of dust, dirt, oil and any other contaminants which may
impair adhesion.
o Mineral substrates must exhibit a smooth absorbent surtace profle, any spaled or damaged
Surfaces must be repaired using a suitable Dr. Fixit Repair material.
o Metal roofs must be tree ot rust and all txings must be securely tightened. All gaps between overiappng
metal panels must be sealed using a suitable approved acrylic sealant.
o All penetrations through the root such as pipework or ducting must be sealed usinga suitable approved
Sealant or expanding foam filler.
o Ensure detailing work is carried out on seams, splits, protrusions, fixings, drains, flashings, fasteners

PRIMING
Porous substratessnouia pe primeg witn penetrating acryic primer or uSing one cOat or Dr
minimum of 1 to2 hours hoforo cr e e primer should be allowed to dry for a
minimum ori to2 nours Deroe over Odug

3APPLICATION
All cracks and movement joints in mineral substrates, joints in root panels, penetrations and
abutments with upstands must be reinforced using a suitable reinforcing fabric set into a coat of
Dr. Fixit Uniproof 4000