Hand- or power-activated machinery used to bend metal
Tag: tools
Capacitance Meter
A device used to locate moisture or wet materials within a roof system by measuring the ratio of the change to the potential difference between two conducting elements separated by a non-conductor.
Felt Machine (Felt Layer)
A mechanical device used for applying bitumen and roofing felt or ply sheet simultaneously.
Froth Pack
A term used to describe small, disposable aerosol cans that contain SPF components. Two component froth packs are available to do small repairs for sprayed polyurethane foam-based roofs.
Hoist
A mechanical lifting device.
Nuclear Hydrogen Detection (NHD) Meter
A device that contains a radioactive source to emit high velocity neutrons into a roof system. Reflecting neutrons are measured by a gauge that is used to detect hydrogen; the quantity of hydrogen detected may be linked to the pressure of water.
Roof Jack
A metal or wood bracket used to support toe-boards on steep-slope roofs. (also see Flashing Collar.)
Roof Seamer
(1) machine that crimps neighboring metal roof panels together; (2) machine that welds laps of membrane sheets together using heat, solvent, or dielectric energy.
Sieve
An apparatus with square apertures for separating sizes of material.
Ventilator
An accessory that is designed to allow for the passage of air.


