Silicone HS M is a high-solid silicone system that provides a monolithic waterproof membrane on metal substrates. Silicone HS M incorporates 7870 high-solids silicone with 70695 silicone mastic for seam details. Silicone HS M is intended for application over existing metal substrates and is ideal for institutional, commercial, and industrial applications.
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High Solids Silicone
Yes. Neogard's 7870 HS Silicone can be applied at up to 45 wet mils in a single pass. Care should be taken when applying any coating on a sloped metal roof to eliminate runs or sag.
Yes. All horizontal seams should be detailed with 70695 silicone mastic at a rate of 65 wet mils at 4” wide. Vertical seams should be inspected, and defective seams should be treated with 70995 silicone sealant.
We offer Material Only and Labor/Material Warranties for 10 and 15 year term lengths.
You do not have to be an approved applicator to purchase material and receive a Material Warranty. You must be a Certified Applicator to receive a Labor/Material Warranty.
Safety Data Sheets (SDS)