Master Builders Solutions Construction Systems US, LLC​

889 Valley Park Drive

Shakopee, MN 55379

MasterSeal® 920 and 921 (Formerly Soft Backer/Closed Cell backer)

Description
Closed-cell, polyethylene foam joint-filler and backing for elastomeric sealants
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MasterSeal® 920 and 921 (Formerly Soft Backer/Closed Cell backer) Documents (2)
[Installation Videos]
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