Basic Uses

TREMproof 250GC is designed for use on backfilled walls, split slab applications, planters and submerged conditions.

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‍What applications are TREMproof 250GC suitable for

‍TREMproof 250GCis suitable for backfilled walls, between slab and planter applications.TREMproof 250GCmay also be used in non-potable water storage tanks.

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‍What viscosity grades are TREMproof 250GC available in?

‍S/L = Self-Leveling, R = Roller Grade, and T = Trowel Grade.

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‍Can TREMproof 250GC be applied in cold weather below 40°F (5°C)?

‍TREMproof 250GCmay be applied at temperatures below 40°F (5°), however, all substrates must be clean, dry and frost-free. It is Tremco’s best recommendation to apply products when substrate and ambient temperatures are at 40°F (5°) and rising. Please note the following when applying these products at temperatures below 40°F (5°).

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‍Special Note: 

‍TREMproof 250GCcan freeze while in the pail but it will make it very difficult to apply to the substrate and will significantly increase cure times.

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‍Do TREMproof 250GC require a protection course

‍TREMproof 250GCrequires a protection course. A TREMDrain drainage course may be an acceptable substitute or used as an add-on.

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‍What is the advantage of combining a drainage mat with a below-grade waterproofing membrane?

‍Use of a drainage mat reduces hydrostatic head pressure, affords protection to the membrane and better directs water to the perforated foundation drainage system. Combining a drainage mat with a Tremco below-grade waterproofing membrane typically qualifies for extended warranties.

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‍What ASTM specification does TREMproof 250GC meet?

‍TREMproof 250GCmeets or exceeds all minimum performance requirements of ASTM C 836.

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‍How long does the concrete have to be cured before TREMproof 250GC can be applied?

‍TREMproof 250GConly requires 24 hours following the removal of concrete form work.

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‍What is the typical minimum dry mil thickness requirement for TREMproof 250GC?

‍60 mils.

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‍Can TREMproof 250GC be sprayed?

‍Spraying ofTREMproof 250GCis not recommended. If a sprayable membrane is preferred or required,TREMproof 260may be a suitable alternative. Please consult with Technical Service.