The substrate (e.g. - concrete, CMU, etc.) into which adhesive or mechanical anchors are to be installed.
The material that an anchor and load are being applied to. Common base materials include concrete, substrates that have the properties of concrete, brick, tile and stone.
Metal from which the connector, contact or other piece part accessory is made and on which one or more metals or coatings may be deposited.
Mat used as a base for asphalt coated roofing material. Most underlayments used over the years are organic mat. Most shingles are fiberglass mat.
A layer of aggregate, of particular thickness, to suite the installation requirements. It is laid after your sub-base has been prepared, and before your sand bedding is implemented. It provides support to the sand and pavers, particularly when compacted intensely.
The material that is welded, brazed, soldered, or cut.
Usually either gravel, concrete or asphalt, it is used in paving to compensate for ground movement, to provide drainage and to support the pavers. Material to form a place for welding, cutting or soldering to be performed.