Silicone HS MB is a high solids silicone coating system for use over smooth surfaced BUR/MB or granulated cap sheet. The system incorporates 7870 high solids silicone roof coating on the field of the roof, and 70695 silicone mastic on the seams. Silicone HS MB is intended for long-term protection over smooth and granulated cap sheet, modified bitumen and smooth built-up roof substrates. It is not intended for use directly over gravel-surfaced built-up roof substrates.
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High Solids Silicone
A moisture analysis is not required, but is highly recommended prior to the start of work.
Yes. Neogard's 7870 HS Silicone can be applied up to 45 wet mils in a single pass. For longer term warranties we recommend that 7870 be applied in two passes to ensure proper coverage.
Yes. All seams should be detailed with 70695 silicone mastic at a rate of 65 wet mils at 4” wide.
We offer Material Only and Labor/Material Warranties for 10, 15, and 20 year terms.
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)