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Precision machined from fully hardened knife blade stainless steel, the marking blade is slid-ably mounted via the blade lock (2) and can be pivoted and adjusted to any angular position or depth.
Made from 316 marine grade stainless steel, the blade lock is used to clamp the blade in any orientation whether that be at an angle or at 90-degrees (square) and also to a depth if required. The blade lock also allows the Roofus to be used as a depth gauge a-like a combination square but with the added advantage of the depth also set to an angle.
Forged from 400 series stainless steel, the square lock is used to engage the blade to the square position so the Roofus can complement a traditional combination square and a torpedo level. A fast and easy 1/4 rotation of the blade lock will either engage or disengage a spring-loaded pin from the blade’s internal machined slot.
Used to mark 90-degree angles when the square lock (3) is engaged, and rafter plumb cuts when the blade is set to a pitch or angle. The plumb stock is also suitable for scribing precise depth marks.
With the Square Lock (3) engaged, the Plumb Vial is used to measure plumb (vertical) in any working position via reference of the workpiece with the Blade (1). Inclines in-between plumb and 55-degree below it can be measured by:
The seat stock edge is used to mark rafter seat cuts via the blade and is also the reference edge for measuring level.
With the Square Lock (3) engaged, the Seat Vial is used for measuring level (horizontal) in any working position via reference of the workpiece with the Blade (1). Inclines in-between level and 55-degrees above it can be measured by:
The 45-degree stock is primarily used to mark 45-degree angles via the blade but it can also be used as a secondary depth gauge stock whilst the plumb stock and seat stock are in use for angle work. The un-needed portion of the blade can be extended out of the 45-degree stock to provide a specific depth measurement.
A traditional degree angle scale with a dedicated marking for every individual degree that extends over both the 45 stock and the seat stock allowing fast and precise angle settings in any working configuration.
A traditional imperial roof pitch scale featured on the speed square. Based on 1” rise/ 1’ run.
A hip and valley rafter scale like no other! Calibrated with traditional degrees, this angle scale allows hip and valley rafter cuts to be set without the need for rafter books, manual calculations and on-site angle drawings. This angle scale can also be used to convert hip and valley cuts back to traditional degrees for convenient use with a drop saw.
A traditional hip and valley scale calibrated with the front side’s Imperial rise and run scale (10). This angle scale is traditional to the speed square.
After using the Roofus, you will ask yourself how you ever got by without it in the first place. It is bound to become your most used tool