SECTION 07181

WATER REPELLENT COATING

PART 1 GENERAL

SECTION INCLUDES

Water repellent coating applied to exterior [and interior] [masonry] [stone] [concrete] [________] surfaces.

RELATED SECTIONS

Section [_____-__________]: Concrete surfaces.

Section [_____-__________]: [Stone] [________] surfaces.

Section [______-____________]:	Masonry surfaces.

Section 07900 - Joint Sealers.

Section [______-____________]: [Cementitious] [Stucco] [________] surfaces.

Section [______-____________]: High build surface coating.

REFERENCES

FS SS-W-110C - Water Repellent, Colorless Silicone, Resin Base.

SYSTEM DESCRIPTION

Applied coating to exhibit ability to permit [____] percent maximum moisture absorption in material being treated.

SUBMITTALS

Submit under provisions of Section [01300.] [________.]

Product Data: Provide details of product description, tests performed, limitations to coating, cautionary procedures required during application, and chemical properties including percentage of solids.

Manufacturer's Installation Instructions: Indicate special procedures and conditions requiring special attention.

Manufacturer's Certificate: Certify that [Products] [________] meet or exceed [specified requirements] [___________________].

QUALIFICATIONS

Manufacturer: Company specializing in manufacturing the Products specified in this section with minimum [three] [_______] years [documented] experience.

Applicator: Company specializing in performing the work of this section [with minimum [__________] years [documented] experience] [approved by manufacturer].

MOCKUP

Provide mockup of surface to be coated under provisions of Section [01400.] [________.]

Prepare coated surface [36 x 36] [____x____] inch ([1 x 1] [____x____] m) in size.

Mockup may [not] remain as part of the Work.

DELIVERY, STORAGE, AND HANDLING

Deliver, store, protect and handle products to site under provisions of Section [01600.] [________.]

Protect coating liquid from freezing.

ENVIRONMENTAL REQUIREMENTS

Do not apply coating when [ambient] [surface] temperature is lower than [50] [____] degrees F ([10] [____] degrees C) or higher than [100] [____] degrees F ([38] [____] degrees C).

EXTRA MATERIALS

Furnish under provisions of Section [01700.] [________.]

Provide [two] [____] gallons ([9] [____] l) of coating.

PART 2 PRODUCTS

MANUFACTURERS

[__________________________________] Product [_________].

[__________________________________] Product [_________].

[__________________________________] Product [_________].

Substitutions: Under provisions of Section [01600.] [________.]

MATERIALS

Coating:	[FS SS-W-110, silicone resin] [Silane] [Methyl methacrylate polymer] [Acrylic modified stearate] [________]; [colorless] [[________] color]; containing [5] [7] [20] [40] [____] percent minimum solids.

PART 3 EXECUTION

EXAMINATION

Verify joint sealants are installed and cured.

Verify surfaces to be coated are dry, clean, and free of efflorescence, oil, or other matter detrimental to application of coating.

PREPARATION

Delay work until [masonry mortar] [concrete] [________] substrate is cured a minimum of [60] [____] days.

Remove loose particles and foreign matter.

Remove oil or foreign substance with a chemical solvent which will not affect coating.

Scrub and rinse surfaces with water and let dry.

APPLICATION

Apply coating in accordance with manufacturer's instructions.

Apply at a rate of [____] oz/sq ft ([____] l/sq m) by [roller] [airless spray].

Apply in [one] [two] continuous, uniform [coat] [coats].

PROTECTION TO FINISHED AND ADJACENT WORK

Protect adjacent surfaces not scheduled to receive coating.

Protect [landscaping] [property] [vehicles].

If applied to unscheduled surfaces, remove immediately by a method instructed by coating manufacturer.

SCHEDULES

Exterior Masonry: Two coat application, pigmented.

Field Stone at Entry Area:	One coat application, clear.

END OF SECTION