INSTALLING ECOWARM OVER CONCRETE 2
ECOWARM Bonded to Concrete Using Sealant & Adhesive
ECOWARM may be installed directly over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier under the slab. When using a sealant and adhesive on top of the slab, the sealant may be a combination sealant/wood adhesive such as Sika Bond T-21 or the sealant and adhesive may be two separate but compatible products.
ECOWARM Over Plywood & Vapor Barrier or Waterproofing
ECOWARM may be installed on 5/8” T&G treated plywood with a vapor barrier or waterproofing over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier over or under the slab.
ECOWARM over plywood, foam insulation and vapor barrier or waterproofing
ECOWARM may be installed on 5/8” T&G treated plywood, over foam and with a vapor barrier or waterproofing over concrete slabs only when the contractor has verified that moisture conditions will be adequately controlled by the use of a sealant on the slab or a vapor barrier over or under the slab.
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