SilPruf LM SCS2 700 weatherproofing sealant is a one-component, low-modulus, neutral cure silicone for use on a wide variety of materials in new or remedial weatherproofing applications. SilPruf LM weatherproofing sealant is supplied as a paste and upon cure produces a durable, formedin-place silicone rubber joint sealant.
Basic Uses SilPruf LM SCS2700 weatherproofing sealant is useful as a weatherproofing material when sealing between dissimilar or similar materials in either new or remedial glazing and sealing applications. SilPruf LM SCS2700 weatherproofing sealant is useful on sound substrates weaker in tension; such as Exterior Insulation and Finish Systems (EIFS), stucco, concrete, etc. SilPruf LM SCS2700 weatherproofing sealant is useful for adhering GE Advanced Materials - Silicones UltraSpan* US1100 pre-cured silicone weatherstrip.
Limitations SilPruf LM SCS2700 weatherproofing sealant is not recommended: In structural glazing applications. In designs where the silicone is encapsulated and without access to atmospheric moisture (this material requires atmospheric moisture to cure from paste to rubber). Underwater or in other applications where the product will be in continuous contact with water. In food contact applications. On porous substrates or surfaces with special protective or decorative coatings, where staining or discoloration may be a concern, without prior testing and consultation with GE Advanced Materials - Silicones Technical Services. When painting of the cured sealant is desired (unless appropriate specialized paint products are used). SilPruf LM SCS2700 weatherproofing sealant should not be applied or used: Under exceedingly hot or cold conditions (see Sealant Application section for additional information). On wet, damp, frozen or contaminated surfaces. On excessively basic or acidic substrates.