POLAROOF RAC

POLAROOF RAC is a single component urethane, modified with bright aluminum flakes and fire retardant chemicals. It is especially designed as a waterproofing membrane for all kinds of roofing. POLAROOF RAC is tough and elastic with a high tensile strength and good puncture resistance, and contains corrosion-inhibiting pigments for protection against rust and acid rain. POLAROOF RAC is approved by Underwriters Laboratories® (UL) and Factory Mutual Research Corporation® (FM).

OUTSTANDING FEATURES:

§ Can be used over BUR, EPDM, Hypalon, modified bituman, metal, concrete, foam, wood, primed composites, masonry and others

§ Produces a fully adhered, seamless, high density, waterproofing membrane

§ Protects substrate against rust, corrosion, UV damage, acid rain and fungal attack, fats and grease

§ Easy to apply directly out of the container by brush, roller or airless spray

§ Reflects radiant heat for enhanced energy efficiency

§ May be used on vertical, pitched and horizontal surfaces

§ Lightweight membrane does not require removal old roofing materials, saving time and money

§ Remains flexible, tough, and weatherproof at low temperatures and will not flow at high temperatures

§ Rapidly develops high tensile strength

§ Will not re-emulsify or wash away with rainwater

§ Easy to use single component formula means no measuring or mixing

§ Will not become brittle and crack with age

§ Warrantied for 10 years. May be recoated to extend warranty

Surfaces must be dry, free of dirt, loose debris, oils, grease or any substance that could interfere with adhesion. Refer to the Polaprime data sheet for information regarding selection of appropriate primer if necessary. Application over seams in metal roofs is achieved by embedding 4" or 6" wide Roofab into a fresh coat of POLAROOF RAC applied at 15 mils wet thickness. The fabric is then saturated with a second application at sufficient thickness to remove all voids, fishmouths and dry spots. Bolt-heads on metal roofs should be daubed with sufficient POLAROOF RAC that they are encapsulated to the point of rundown. As soon as the POLAROOF RAC has dried, it may be coated with POLAROOF RAC or other compatible topcoat. Application over E.P.D.M., modified and other rubber roofs requires the preparation detailed above, including reinforcement of seams. Some rubbers will swell slightly immediately upon application. This is normal, the adhesion process is complete when the original dimensions have returned. New urethane foam should receive 2 coats of POLAROOF RAC at 15 mils wet thickness per coat to be sure that no foam is exposed to pinholes or holidays. Previously coated foam should be thoroughly repaired and pretreated according to our R.R.S. specifications before application of POLAROOF RAC. Sudden precipitation will not wash off POLAROOF RAC when wet or normally applied, but may produce a mottled, dull appearance that is not detrimental to its overall performance. POLAROOF RAC should never be applied to a wet or damp surface, or pinholes may result.

Shelf life is 12 months in unopened cans. Part-full cans should be avoided. Storage must be out of direct sunlight at below 90°F to avoid skinning.

Damaged areas may be repaired by cleaning surface and application of Polaroof RAC as described in Application section.

Contains solvent and reactive isocyanates. Read MSDS thoroughly before using. Do not get on skin or in eyes. Do not ingest or inhale vapor. Make sure that vapor does not enter building. If skin is contaminated, use suitable cleanser; if eyes are contaminated, wash with water for 15 minutes and seek medical attention. If clothing is contaminated, discard. If ingested, do NOT induce vomiting and seek medical attention. If inhaled, remove person to fresh air.

Moisture Vapor Transmission:	1.57 perms	ASTM E-96
Tensile Strength:	600 psi	ASTM D-412
Elongation	500%	ASTM D-412
Flexibility at Low Temperatures:	180 ° bend @ -10° C	ASTM C-711
Shore 'A' Hardness:	56 degrees	ASTM D-2240
Surface spread of flame:	Class 1	ASTM E-108
Puncture Resistance:	120 psi	ASTM D-154-79
Viscosity at 70°F:	4,500 cps	ASTM D-446
Drying Time @ 80°F (70% R.H.) :	24 hours (to walk on)
Total Cure @ 80°F (70% R.H.)	72 hours (to 56 deg. Shore 'A')
Solids Content	82% (B.W.); 94% (B.V.)	ASTM D-1044
Application Equipment	Brush, roller or spray
Cleaning of Equipment :	Xylene or Aromatic Naptha

NOTICE: The information presented herein is based on tests and data that Andek Corporation believes to be reliable. It is intended for use by technically qualified personnel at their own discretion and risk. Since conditions of handling and use are beyond our control, we make no warranties, express or implied, and assume no liability in connection with any use of this information. Nothing herein is to be construed as a license to operate or a recommendation to infringe any patent.