Surface Preparation: 

Roof surface treated with Chlorine (2-3%) to kill mold, mildew, fungus and rinsed with clean water from a garden hose.  Note: pressure cleaning not recommended on asphalt shingles.

Prime Coat:  

SOMAY Product No. 777, "PST" ("Primer, Sealer, Topcoat"), 100% poly-acrylic resin, waterborne primer, sealer. Applied at a max. spreading rate of 200 sq.ft./gal. = practical spreading rate of 150 sq.ft./gal., depending on the smoothness and porosity of the roof surface.  Dries Clear.

Intermediate Coat:

SOMAY Product No. 842-00, SOMAY "ROOF MASTIC", Sealer & Protector – "Crystal Clear", applied at a max. spreading rate of 50 sq.ft./gal. = practical spreading rate of 35 sq.ft./gal. to develop a 20 mil dry film thickness. Allowed to dry "Clear" before application of next coat.

Finish Coat:

SOMAY Product No. 842-00, SOMAY "ROOF MASTIC", Sealer & Protector – "Crystal Clear", applied at a max. spreading rate of 50 sq.ft./gal. = practical spreading rate of 35 sq.ft./gal. to develop a 20 mil dry film thickness.

Color:

"Crystal Clear".  Note:  Product No. 842-00 has the consistency of and looks like white paste in the can, but dries "Crystal Clear".  It must NOT be thinned or adulterated with anything.

Total:  40 mils dry film thickness for 3 coats

For further details, please contact SOMAY