Breather-type dampproofing which permits moisture vapor to escape through film , while remaining resistant to water penetration. Can be applied to green concrete. Tech Data: Coverage Rate: . Designed to dampproof masonry and concrete exterior surfaces below grade and interior surfaces above grade.
Edit remaining text to suit project. Intended use is for exterior walls where no hydrostatic head occurs or is anticipate as water percolates through the soil or in cavity spaces to weeps. Drawings and general provisions of the Contract, including General and Supplementary. Conditions and Division Specification Sections, apply to this Section.
This Section includes cold- applie . Submit product data sheets for bituminous dampproofing products. The IRC then provides a list of the permissible materials, which include bituminous coating and acrylic-modified cement. Waterproofing is only required by the IRC in areas where a high water table or other severe soil-water conditions are known to exist. Bituminous dampproofing , cold-applie emulsified-asphlat damproofing applied to the following surfaces: 1. Exterior, below-grade surfaces of concrete foundation walls not intended to recieve waterproofing. Back side of concrete retaining walls.
Dampproofing is a coating, usually asphalt-base that is either . Below grade steel columns and brace frame foundations. Part in this issue explains the technical differences between damp proofing and waterproofing of concrete products. Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Damp problems are among the most frequent problems encountered in homes. Chemical dampproofing mixed into concrete is also beyond the scope of this book.
Table 3-is a chart showing the conditions under which each type is usually used. Cold-applie emulsified-asphalt dampproofing. Related Requirements: Retain subparagraphs below to cross-reference requirements Contractor might expect to find in this Section but are specified in other Sections. It is intended to be used where protection is required against ingress of water by capillary action resulting from occasional exposure to moisture or where reduced . Use this section only for NCA projects.
Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. Product Data: For each type of product indicated. Retain paragraph and subparagraph below if low-emitting materials are required for LEED-NC or LEED-CI Credit EQ 4. Refer to “LEED Notes and Credits” page for additional guidance for LEED projects. Delete LEED items if project:. Department has determined that the work of this Contract is not to attain a LEED rating.
The product can be applied to green concrete (not totally dry). This prevents blistering of applied films. SEALMASTIC TYPE I (spray-grade) is an .