Flex-Seal Installation - Sealing Systems Incorporated

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Flex-Seal Installation

The Problem
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General Information
Requirements
Specifications
Installation
Prepping/Cleaning Substrate
Equipment
Technical Information
Notice

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Ready to print: FlexSeal Installation Brochure (PDF)
GRADE ADJUSTMENT RING AREA & JOINT SECTION

1. THIS PRODUCT MUST BE APPLIED AT TEMPERATURES ABOVE 45°F OPENINGS OR GAPS LARGER THAN 3/8 INCH SHOULD BE FILLED WITH BACKER ROD, LOW EXPANSION SPRAY FOAM INSULATION, FOAM WEATHER STRIPING, OR A QUICK SET CEMENT. ALL HYDROSTATIC LEAKS MUST BE STOPPED WITH AN APPROPRIATE WATER STOP MATERIAL. A HYDRAULIC CEMENT OR “CHIMNEY PATCH REPAIR” MANUFACTURED BY SEALING SYSTEMS, INC. IS RECOMMENDED. IF USING CEMENTITIOUS MATERIALS FOR REHABILITATION CONTACT THE MANUFACTURER FOR THE PROPER PREPARATION REQUIRED TO BOND URETHANES TO THEIR MATERIAL AND THE AMOUNT OF TIME REQUIRED FOR THE CEMENT TO COMPLETELY CURE. SOME CEMENT MATERIALS ARE NOT COMPATIBLE WITH FLEX-SEAL. FLEX-SEAL UTILITY SEALANT WILL NOT BOND PROPERLY TO UNCURED CEMENT. IF COATING PVC, FIBERGLASS, OR EPOXY, THE SURFACE MUST BE ABRADED WITH 40 GRIT SAND PAPER AND COATED WITH “NHNS” TO ENSURE PROPER ADHESION PRIOR TO THE APPLICATION OF THE PRIMER. “NHNS” IS A PREPARATION MATERIAL MANUFACTURED BY SEALING SYSTEMS, INC.

2. CAUTION SHOULD BE TAKEN DUE TO THE EXPLOSIVE GASES COMMONLY ASSOCIATED WITH SANITARY SEWER SYSTEMS. LEL (LOWER EXPLOSIVE LIMITS) SHOULD BE CHECKED PRIOR TO SANDBLASTING DUE TO THE STATIC ELECTRICITY CREATED BY SANDBLASTING. A DEBRIS DAM SHALL BE INSTALLED TO CATCH EXPELLED SAND AND FALLEN MATERIAL. USING A SANDBLASTER (MINIMUM 70 CFM), THOROUGHLY CLEAN THE ENTIRE AREA TO BE COATED PLUS AN INCH OR MORE ABOVE AND BELOW THE INTENDED TOP COAT AREA. REMOVE ANY BITUMINOUS COATINGS, PAINTED COATINGS, LOOSE DEBRIS, LAITANCES, DUST, DIRT, OIL, GREASE, CHEMICAL CONTAMINATION, OR RUST SCALE BUILD-UP ON THE METAL AND OTHER SURFACES. THIS PROCEDURE MUST BE FOLLOWED TO INSURE FLEX-SEAL UTILITY SEALANT BONDS TO THE STRUCTURE (CLEANING EQUIPMENT NEEDED WILL DEPEND UPON THE CONTAMINATES ON THE SURFACE AND/OR THE TYPE OF SUBSTRATE).

3. IF COATING FIBERGLASS, PVC OR EPOXY TO ENSURE EXCELLENT BOND STRENGTH USE 40 GRIT SAND PAPER TO ROUGH UP THE SURFACE THEN APPLY A VERY THIN LAYER OF PREPARATION MATERIAL “NHNS” AS MANUFACTURED BY SEALING SYSTEMS, INC.

4. AFTER SANDBLASTING, BLAST THE SURFACE WITH CLEAN AIR TO REMOVE ANY LOOSE SAND THAT MAY HAVE BEEN DEPOSITED ONTO THE SURFACE. THE SUBSTRATE SURFACE MUST BE DRY AND BE FREE OF LOOSE SAND.

5. WHEN AIR BLASTING IS FINISHED, AN ACETONE WET WIPE OF THE ENTIRE SURFACE TO BE COATED IS RECOMMENDED. THIS IS TO GET A MECHANICAL WIPE OF THE SURFACE, A WET WIPE OF THE SURFACE, AND A HIGH FLASH POINT WIPE OF THE CEMENTITIOUS PORTION OF THE SURFACE TO EVAPORATE ANY SURFACE MOISTURE IN THE NON METALLIC PORTION OF THE CHIMNEY AREA TO BE COATED WITH FLEX-SEAL UTILITY SEALANT.

6. LOCATE THE 16 OZ. CONTAINER OF PRIMER AND THE 1 OZ. CONTAINER OF CATALYST. THOROUGHLY MIX THE TWO PRODUCTS TOGETHER IN THE 16 OZ. CONTAINER. THE PRIMER MUST BE APPLIED TO A DRY SURFACE AND ONLY TO THE PREPARED SURFACE AREA. STOP ALL WATER INFILTRATION BEFORE APPLYING THE PRIMER. USING THE BRUSH PROVIDED APPLY THE PRIMER DIRECTLY FROM THE 16 OZ. CONTAINER.

GRADE ADJUSTMENT RING APPLICATION - APPLY A THIN LAYER OF PRIMER 2 INCHES ABOVE THE BOTTOM OF THE FRAME AND THE ENTIRE ADJUSTMENT RING AREA TO 2 INCHES BELOW THE BOTTOM RING.

JOINT SEALING APPLICATION - APPLY A THIN LAYER OF PRIMER 3 INCHES ABOVE THE JOINT AND 3 INCHES BELOW THE JOINT.

7. THE FINAL COAT OF FLEX-SEAL UTILITY SEALANT MUST BE APPLIED WITHIN 3 HOURS AFTER THE PRIMER HAS BECOME TACKY (STICKY TO THE TOUCH). TACK TIMES WILL VARY DEPENDING ON TEMPERATURE. IT IS VERY IMPORTANT TO REMAIN WITHIN 3 HOURS AFTER THE PRIMER BECOMES TACKY TO ENSURE PROPER ADHESION. (IF THE PRIMER HAS CURED ON THE SURFACE FOR MORE THAN 3 HOURS FOLLOW THE INSTRUCTIONS ON THE ON THE BACK OF THIS PAGE). WITHIN 30 TO 60 MINUTES (CURING TIME DEPENDS ON TEMPERATURE).THE PRIMER WILL BECOME TACKY (STICKY BUT NO LONGER TRANSFERS WHEN TOUCHED) THE FLEX-SEAL UTILITY SEALANT MUST BE APPLIED WITHIN 3 HOURS AFTER THE PRIMER BECOMES TACKY. (NOTE: AFTER 3-HOURS RE-ACTIVATE THE PRIMER WITH NHNS)

8. SHAKE THE 1/2 GALLON CAN OF FLEX-SEAL UTILITY SEALANT PART "A" (BE SURE TO SCRAPE ALL THE LIQUID FROM THE BOTTOM OF THE CAN) AND THEN MIX WITH THE THICKENING AGENT PART "B" (MATERIAL IN PLASTIC BAG) IN THE 1 1/2 GALLON WHITE PAIL PROVIDED IN THE KIT. USE A POWER DRILL OF AT LEAST 2500 RPM’S WITH A PAINT MIXER ATTACHMENT TO MIX A & B TOGETHER. BLEND THE FLEX-SEAL UTILITY SEALANT MIXTURE USING THE DRILL-MIXER WITH AN UP, DOWN, AND AROUND MOVEMENT. THIS WILL INSURE A THOROUGH AIR ENTRAINED MIXTURE. IT IS VERY IMPORTANT TO MIX A & B TOGETHER THOROUGHLY. A UNIFORM BLUE COLOR IS REQUIRED. AFTER MIXING THE A & B MATERIALS, IT MAY BE NECESSARY TO WAIT A FEW MINUTES FOR THE MIXTURE TO REACH ITS DESIRED CONSISTENCY.

9. USING THE BRUSH PROVIDED, APPLY THE FLEX-SEAL UTILITY SEALANT OVER THE PRIMER. APPLY IT AS EVENLY AS POSSIBLE OVER THE ENTIRE SURFACE. BE SURE TO FILL ALL GAPS WITH THE FLEX -SEAL UTILITY SEALANT. IT IS IMPORTANT NOT TO APPLY THE FLEX-SEAL UTILITY SEALANT TO ANY UNPRIMED AREA! CONSULT THE JOB ENGINEER FOR THE SPECIFIED MIL THICKNESS. THE AVERAGE POT LIFE OF THE FLEX -SEAL UTILITY SEALANT IS 20 MINUTES. THE FLEX-SEAL UTILITY SEALANT WILL BE TACK FREE IN APPROXIMATELY 4 HOURS DEPENDING ON THE TEMPERATURE. IT WILL CONTINUE TO CURE TO ITS ULTIMATE STRENGTH IN APPROXIMATELY 30 DAYS. DO NOT PERFORM ADHESIVE OR VACUUM TESTING UNTIL THE 30 DAY CURE TIME HAS ELAPSED.

Equipment suggested: quick set cement, low expansion spray foam insulation, acetone, hammer, chisel, 2500 RPM drill, mixer accessory, wire brush, sandblasting equipment, goggles, screw driver, mixing stick and OSHA approved breathing apparatus for confined areas or when spraying material.

WARNING!! DO NOT GET ANY MATERIAL IN EYES, ON SKIN OR CLOTHING. DO NOT TAKE INTERNALLY. CONTAINS TOLUENE DIISOCYANATE. VAPORS MAY CAUSE RESPIRATORY IRRITATION AND SENSITIZATION. LIQUID MAY CAUSE EYE DAMAGE. MAY IRRITATE SKIN

APPLICATION OF FLEX-SEAL UTILITY SEALANT OVER CURED PRIMER

OR REPAIRING A CUT OVER CURED FLEX-SEAL UTILITY SEALANT

1. CLEAN THE AREA TO BE COATED. THE SURFACE MUST BE DRY AND FREE OF SAND, LOOSE DEBRIS, DUST, DIRT, OIL, GREASE, OR CHEMICAL CONTAMINATION.

2. USING “NHNS” PREPARATION MATERIAL MANUFACTURED BY SEALING SYSTEMS, INC. APPLY A VERY THIN COAT OF NHNS PREPARATION MATERIAL OVER THE EXISTING CURED PRIMER. IF REPAIRING A CUT APPLY THE NHNS MATERIAL OVER AND AROUND THE CUT. OVERLAP THE CUT AREA BY AT LEAST 4 INCHES.

3. THE FINAL COAT OF FLEX-SEAL UTILITY MUST BE APPLIED O - 8 HOURS AFTER THE APPLICATION OF THE NHNS PREPARATION MATERIAL.

4. SHAKE THE 1/2 GALLON CAN OF FLEX-SEAL UTILITY SEALANT PART "A" (BE SURE TO SCRAPE ALL THE LIQUID FROM THE BOTTOM OF THE CAN) AND THEN MIX WITH THE THICKENING AGENT PART "B" (MATERIAL IN PLASTIC BAG) IN THE 1 1/2 GALLON WHITE PAIL PROVIDED IN THE KIT. USE A POWER DRILL OF AT LEAST 2500 RPM’S WITH A PAINT MIXER ATTACHMENT TO MIX A & B TOGETHER. BLEND THE FLEX-SEAL UTILITY SEALANT MIXTURE USING THE DRILL-MIXER WITH AN UP, DOWN, AND AROUND MOVEMENT. THIS WILL INSURE A THOROUGH AIR ENTRAINED MIXTURE. IT IS VERY IMPORTANT TO MIX A & B TOGETHER THOROUGHLY. A UNIFORM BLUE COLOR IS REQUIRED. AFTER MIXING THE A & B MATERIALS, IT MAY BE NECESSARY TO WAIT A FEW MINUTES FOR THE MIXTURE TO REACH ITS DESIRED CONSISTENCY.

5. USING A BRUSH APPLY THE FLEX-SEAL UTILITY SEALANT MIXTURE OVER THE AREA IN WHICH THE NHNS PREPARATION MATERIAL WAS APPLIED. SPREADING THE MATERIAL AS EVENLY AS POSSIBLE ON THE ENTIRE SURFACE. IT IS IMPORTANT NOT TO APPLY ANY FLEX-SEAL UTILITY SEALANT TO ANY AREA THAT WAS NOT FIRST COATED WITH THE NHNS PREPARATION MATERIAL. THE AVERAGE POT LIFE OF THE FLEX-SEAL UTILITY SEALANT IS 20 MINUTES.

6. THE FLEX-SEAL UTILITY SEALANT WILL BE TACK FREE IN APPROXIMATELY 4 HOURS DEPENDING ON TEMPERATURE. IT WILL CONTINUE TO CURE TO ITS ULTIMATE STRENGTH IN APPROXIMATELY 30 DAYS.

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