VI-CRYL CP-11 weather barrier coating is a tough, durable, and fire-resistive water based white thermal mastic for most types of thermal insulation and finishing/insulating cements. It is very thixotropic - it looks heavy but spreads easily. Childers mastic is outdoor rated and U.V. resistant.
USES:
VI-CRYL CP-11 thermal mastic paste is unsurpassed for the mechanical protection and weatherproofing of thermal insulations both outdoors and indoors, in hot, cold, and dual-temperature service. However, since it is a ‘breathing’ coating (vapors under pressure will pass through it) it should only be used over insulations in low temperature, or dual-temperature service when the insulations themselves are vapor barriers (Fiberglass Pipe's ASJ paper is a vapor barrier). Childers CP-11 White Mastic has also found use throughout the thermal insulation industry as a coating used over closed cell polyethylene and polyurethane foam insulations.
*Note from Buy Insulation Products - CP-11 and CP-10 are great for sealing up insulation on chilled water systems. Use Childers CP-11 White Mastic to seal up all exposed fiberglass, paint any tape seams and SSL closures to prevent condensation buildup on the pipes.
* CP-11 white thermal mastic paste can be painted on with a brush while CP-10 is applied with a trowel
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Does a nice job
I have used this in several locations.
I found that brush applied works well -
great suff
very good product, great for outdoors
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Seals up fiberglass nicely
Our plant had a chilled water pipe that was constantly dripping and condensating since it was exposed to steam exhaust. I was informed by Buy Insulation how to properly insulate the pipe and how using CP11 was very important to seal the fiberglass and prevent condensation throughout the system. I painted all edges of the pipe insulation especially near all the fittings. I then wrapped all the piping with PVC jacket and it has seemed to do the trick. I am pleased with the level of service I received from this company. A+
