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This membrane is installed by two methods: 1.) Rolls of membrane are attached to the ridged insulation using a bonding adhesive; 2.) The edge of each roll is fastened through ridged insulation into structural deck, and the proceeding roll is lapped over the fasteners.
Felt paper is available in several grades, the most common being Type 1—commonly called 15-pound (15#) or No. 15 (#15)—and Type 2—commonly called 30-pound (30#) or No. 30 (#30). The weight designations originated with organic base felt weighing 15 or 30 pounds per 100 sq. ft. (6.8 kg or 14 kg per 9.3 m 2 ).
In architecture, a hood mould, hood, label mould (from Latin labia, lip), drip mould or dripstone [1] is an external moulded projection from a wall over an opening to throw off rainwater, historically often in form of a pediment. This moulding can be terminated at the side by ornamentation called a label stop.
Injection holes need to be fully cleared of drill dust and debris before the cream is injected, and it is often difficult to know if each injection hole has been completely filled with cream. Furthermore, damp-proofing cream can sometimes drip out of the injection holes after treatment, reducing the effectiveness of the damp-proofing treatment.
This enables installation of skirting boards above floor level without fear of puncturing it. Alternatively, instead of fitting separate inner and outer DPCs, it is common in commercial housebuilding to use a one-piece length of rigid plastic (with an angled section) that fits neatly across the cavity and slots into both walls (a cavity tray).
The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair. Resin within the liner is then exposed to a curing element to harden it and make it attach to the inner walls of the pipe. Once fully cured, the lining now acts as a new pipeline.