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Frequently Asked Questions

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Pancrete

Over the past decades, metal cooling towers have become popular. Tower corrosion may occur in as little as 7 years depending upon water treatment and environmental conditions. Severe rusting to the point of distressed metal of the tower basin and support structure results. Corrosion causes water leaks and increases water consumption. Structural integrity of the tower itself is reduced and gradually performance deteriorates. Inevitably, corrosion makes it necessary to replace the equipment prematurely, often at a cost of tens of thousands of dollars and more.

Pancrete XE provides a tough, corrosion-resistant coating that is applied directly to the interior cooling tower metal surfaces. This restores the surfaces so they are strong, smooth and easy to clean.

The normal application thickness of Pancrete XE is ¼ inch. This thickness helps to distribute stress across greater surface areas. After Pancrete XE is properly applied, maintenance personnel can walk across the basin without fear of falling through the corroded metal which may be a problem before the tower has been restored. Greater thicknesses of Pancrete XE can be applied as well.

Yes. Pancrete XE was engineered in our laboratories to resist commonly used corrosive chemicals.

Both Pancrete T-84 and V-4138 meet and exceed NFPA 90A requirements, providing better fire and smoke ratings than required.

Pancrete XE will work on galvanized towers.

No special equipment is needed for application.

There are instructions provided. The most important thing is removing old rust, deposits and oils from the metal surfaces. This may be done by abrasion blasting using a soft abrasive such as sodium bicarbonate, walnut shells, etc. A wire brush may also be used.

Surface preparation is the most time-consuming step. The tower is drained and residual dirt or debris is removed by brushing and hosing down the surfaces. Total tower coating process can be completed in less than a day.

V570

V570 is a chemically resistant polymer specifically engineered for vertical surfaces. It is white in color.

Both alkaline and acid coil cleaners are very corrosive to galvanizing and aluminum, and coatings as well. V570 is engineered to have no effect from chemicals, even concentrated coil cleaners normally aggressive to metals. In this regard, V570 is similar to Pancrete.

V570 and Pancrete share the same corrosion water resistance. However, Pancrete when mixed has a consistency of water, so it flows easily, coating the entire drain area, and easily getting into hard-to-reach areas. V570 is more viscous, and is engineered to coat the vertical surfaces of metals.

Metal preparation is the most time-consuming part of the process. You'll wet-vac the unit, and wire brush loose and flaking metal, then apply V570 to the vertical surfaces you wish to coat. Then you would pour the Pancrete in to the pan. You can put the unit back into service in as little as 4 hours depending upon temperatures.

Very much so. It is not uncommon on larger air handlers to save as much as 85% of the cost of a new pan replacement.

V570 will not rust or wear out. It is chemically resistant to most coil cleaners, provides a permanently smooth surface. It should outlive your equipment.

One gallon of V570 should coat about 200 square feet of metal. The user should not mix anymore product than what he would use in a 30 minute time period after mixing or the product will set up in the can.

V570 is packaged in pints, quarts, gallons and 5-gallon containers. The procedure would be to calculate out how much you would need first. For example, if you calculate you have 150 square feet of area to cover, you should purchase 3 quarts of V570, and mix them up as you go along.

Improper surface prep and mixing are the most common reasons for coating failures, so they are very important. If in doubt, call our customer service department.

You can use V570 as long as two years after the manufacturing date.

No. Neither V570 nor Pancrete can be partially mixed due to specialized ratios, so only complete containers may be used. The user should determine what size containers he needs for the job at hand. Our customer service department can provide easy assistance.

Algae Guard

Algae Guard is an EPA-registered controlled-release drain pan cleaner. It contains antimicrobial agents plus detergents plus dispersants.

Algae Guard is a controlled-released polymer system developed by our labs specifically for use in drain pans over 17 years ago. The long-lasting timed release aspect of the product allows it to continue cleaning for up to six months. Algae Guard has a multitude of ingredients that allow it to keep pans clean continously.

Just pick out the size of Algae Guard recommended for the tonnage unit you have, and lay it in the drain pan, furthest from the drain near the coil. Thats all - Algae Guard does the work for you - automatically.

That has already been calculated out for you. Algae Guard is available in sizes engineered from 3/4 ton all the way up to 100's of ton AHUs. Just choose the size you need. No sense paying for product that you won't use, and no sense guessing.

Algae Guard was engineered to handle the most severe conditions of up to 100% humidity and 100% outside air. You can be certain of results with Algae Guard.

PanGuard

PanGuard is a controlled-release drain pan cleaner.

PanGuard is the first true timed-released product for drain pans on the market, developed by our labs for use over 17 years ago. The long-lasting timed release aspect of the product allows it to continue cleaning for up to six months. PanGuard has a multitude of ingredients that allow it to keep pans clean continuously.

Just pick out the size of PanGuard recommended for the tonnage unit you have and lay it in the drain pan, furthest from the drain near the coil. That's all.

That has already been calculated out for you. PanGuard is available in sizes engineered from 3/4 ton all the way up to 100's of ton AHUs. Just choose the size you need. No sense paying for product that you won't use, and no sense guessing.

PanGuard was engineered to handle the most severe conditions of up to 100% humidity and 100% outside air. Confidence in performance is what makes PanGuard the leading product for drain pan treatment for knowledgeable contractors.

Coil Shield

Weatherproof Coil Shield is engineered to stop the corrosive effects of coastal salt fog on condenser coils.

Conditions vary widely. Winds, tides, and proximity to the ocean are all factors that determine corrosive rates. To help obtain a standard, accelerated weathering chambers are used to determine corrosion rates. In the field, it is recommended that Coil Shield be replaced every year under severe conditions, and less often under milder conditions.

The general idea is to subject the specimen to salt fog for extended periods in a controlled environment. In the case of Coil Shield, treated coils were exposed to salt fog, then UV light accompanied by high temperatures, and an industrial atmosphere containing sulfur dioxide. Coil Shield was exposed for 1,500 hours with no corrosive damage to coil fins. The test was then continued until fins on untreated coils were falling off copper tubing. Coil Shield specimens were structurally intact at the end of this 4,000 hour test period.

Look at your salt-spray life data from your coating supplier. Chances are WCS meets or exceeds their testing times.

WCS can be applied right at your location, with no special equipment or training, for $20 to $100 per condenser coil depending on size.

To adequately prepare and apply either of these products, you'll be looking at 3 or more hours per coil of manpower. With WCS, you will be looking at 10 to 15 minutes max. per coil.

Measurements show no heat transfer reduction with WCS.

No.

WCS is sold in gallon containers. A 50 ton condenser unit will take about one gallon, while 1/2 pint is suitable for smaller units. Contact our customer service department to determine what you need for your units.

First Strike Micro Coat

First Strike MicroCoat is molecularly-thin coating that extends the time between required coil cleaning up to eight times.

No. Instruments cannot measure any reduction in heat transfer with First Strike MicroCoat.

First Strike is applied to coils using a pump-up sprayer after coils are initially cleaned.

Yes. First Strike has been shown to dramatically cut required cleaning of coils where grease is a problem. Look at the "What Users Say" section.

First Strike has produced marked improvements with a variety of accumulations such as bakery dust, sugar, and other difficult particulates.

Absolutely. First Strike has a 0-0-0 hazard rating, the lowest possible.

No. First Strike is an non-flammable liquid.

No, there is no Teflon in First Strike. You may have noticed that the ads for Teflon products make the condensate form beads. This is totally unacceptable for air conditioning coils. In fact, it is the opposite from what manufacturers recommend. Air velocities through coils are limited by "blow-off", or the tendency of the condensate to be ripped off of the coil fins by the air. This water winds up down stream of the coils where it either causes propertly damage, or contributes to the dampness in the insulation, something that is not wanted. Teflon with its bead producing effects, allows the water to have a higher profile to the air stream, and become more susceptible to blow-off. For this reason, First Strike does not contain Teflon.

Instant Powder Kegs

Lots of things. Instant Powder Kegs is a powder. In many areas, OSHA requires that coil cleaning liquids be specially stored to avoid leaks. Further, many times coil cleaner plastic containers leak, and get the corrosive liquid over vans, floors, and other areas. This can get messy, and difficult to clean up. Leaky containers can also corrode tools, metals, and other products that may be nearby. As well, have you ever carried a gallon jug of coil cleaner up a ladder while holding on with the other hand? These are some of the reasons users prefer Instant Powder Kegs.

A pack of Instant Powder Kegs contains six individual "kegs". The user just gets a pump up sprayer, fills it half full of water, and adds the number of kegs to the water that he feels is necessary to clean the coil. One keg per gallon is the least mild solution, with more being used for more difficult coils. Since users always dilute their cleaner anyway, you will have a source of water on site.

Instant Powder Kegs do not contain water. You already have that, so why pay to ship water? Costs for shipping are always lower, you can never get any "leakers", and don't have to worry about bottles rolling around in the van if you are a contractor.

You can store a case of 30 gallons in a box that will fit on the corner of your desk. Most coil cleaners are over 90% water, and that takes up a lot of room that Instant Powder Kegs does not have to.

Yes. We recommend the rinsing of coils after use of coil cleaners.

Yes. Instant Powder Kegs is a concentrated, heavy-duty cleaner and is every bit as powerful as other, difficult to handle products.

BioFlex

Regarding EPAs volatile organic emissions (VOCs), BioFlex exceeds standards for coatings. EPA regulations call for no more than 250 g/l VOCs, and suggests a voluntary standard not to exceed 50 g/l for interior coatings. A certified independent lab testing BioFlex reports a VOC of 26.8 g/l (ASTM D-3960), close to one-half of the EPA's voluntary limit.

No. No coating can prevent all mold and allergy problems. BioFlex is engineered to be a fungicidal coating. It cannot stop mildew or mold from occurring all over where it is not applied. Roof leaks, water in-leakage through and around improperly sealed doors and windows, and an air conditioning system that does not adequately remove relative humidity are all areas where mold growth can occur. However, by coating walls and other areas where mold can grow, a fungicidal protective coating is laid down.

Using BioFlex is not necessary if you live in an area where mold growth and proliferation is not an issue. However, in many Southern States such as Louisiana, Texas, Florida, and others, mold growth may be a problem due to humidity and temperature considerations. In these cases, applying BioFlex initially can do a lot to insure you do not have a problem in the future.

Users should always sanitize hard surfaces such as walls or wood first prior to applying BioFlex to insure that surface mold is killed. Once BioFlex is applied, it prevents fungus from migrating through its paint film. If the user knows that the substrate is heavily contaminated with fungi however, Controlled Release recommends the removal and replacement of the substrate, and then coat the newly applied material.

BioFlex is supplied in white coloration.

Typically, an airless sprayer is used to apply BioFlex. The wet film thickness should be approximately 12 to 15 mils. Alternately, a roller or brush may be used.

It is desirable to initially sanitize surfaces prior to coating with BioFlex.

ASTM testing on G-21, Fungal Resistance, tests resistance to fungi. Bioflex was awarded the rating of 0, "No growth". Bioflex ASTM D3273 tests for Mold Resistance on Interior Coatings showed the best rating of 10. BioFlex contains broad spectrum antimicrobials that effectively stops the growth of molds and prevents the migration of microbes through its coating.

BioFlex is recommended for use on interior walls, fiberglass and rubber insulation on pipes and other surfaces, insulation under wall board, and interior metal surfaces.

BioFlex is a EPA registered antimicrobial coating for use on walls and other surfaces. It is a fungicidal protective coating.

Flex Seal

Flex Seal is an advanced coating engineered to stop fiberglass emissions and to prevent the ingress of particulates into fiberglass and other porous materials. Flex Seal is also used for interior walls, insulative pipe coatings, and other materials. Fiberglass is a known carcinogen, and it's emission is undesirable.

Flex Seal exceeds all fire code requirements, and is superior to a Class One fire code. Flex Seal is ASTM E-84 Certified at a zero (0) Flame Spread.

Flex Seal is recommended for use on interior walls, fiberglass and rubber insulation on pipes and other surfaces, insulation under wall board, and interior metal surfaces.

Yes. Flex Seal may be applied to pipe surfaces to prevent fiberglass emissions.

No. Flex Seal is a water-based, non-flammable liquid.

Typically, an airless sprayer is used to apply BioFlex. The film thickness should be approximately 15 to 25 mils depending on the surface applied to. Porous surfaces may require higher thickness.

Freezing represents an important issue to the consumer. Most products now available have to be protected from freeezing, and require special handling and stroage during cold weather, otherwise the product turns into an unusable "cottage-cheese". Flex Seal does not require special handling. It passes five freeze-thaw tests with no reduction in performance. So, you can stop worrying about losing your product due to accidental freezing and use Flex Seal anytime you want to, with no special shipping or handling.

You do not need to be concerned with odor with Flex Seal. Low odor is one of it's features. Flex Seal has an actual indepently certified VOC value of 26.84 per the ASTM D-3960 method. This is not a calculated VOC, but an actual certified value.

Flex Seal is manufactured to tightly controlled quality standards. No mixing is required, and no straining is required prior to use.

An airless sprayer is recommended of at least 2,000 psi. Brands recommended include Binks, Wagner SprayTech, Graco or similar.

Flex Seal exceeds EPA standards for coatings. EPA regulations call for no more than 250 g/l VOCs, and suggests a voluntary standard not to exceed 50 g/l for interior coatings. A certified independent lab testing Flex Seal reported a VOC of 26.84 g/l, close to one-half of the EPA's voluntary limit.

Cooler Guard

Cooler Guard helps prevent scale deposition in evaporative coolers.

Cooler Guard is supplied as a solid polymer block.

Cooler Guard is sized for 2,000 cfm, 4,000 cfm and 10,000 cfm coolers. You can use multiples of these for odd sized coolers.

No. Cooler Guard is not an acid and will not affect metal parts.

Yes. Cooler Guard is designed so you can shut off your bleed-off valve. You will need to remove the sump water, and replace the Cooler Guard every 4 – 6 weeks. If you discharge even 1 gallon of water from your cooler a minute, this amounts to over fourteen hundred gallons per day – a very expensive proposition.

Yes. Cooler Guard has removed old deposits from pads that previously were mostly plugged with scale.

Yes, you should drain your sump and rinse it out thoroughly before each use of Cooler Guard.

Cooler Guard works by breaking down the scale deposits into very fine, almost molecular sized particles that are kept in suspension without the use of harmful acids. Every four to six weeks, even the small particles may deposit, so you should drain and remove the water at that time.