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Roof verge system
| Details |
Inventors: Quinnell, Geoffrey C.;
Assignee: Marley Tile A.G. (CH)
Primary Examiner: Raduazo; Henry E.
Assistant Examiner:
Attorney, Agent or Firm: Bacon & Thomas
A system for covering the edges of slates or the like at the verge of a pitched roof, comprises a plurality of verge members (1, 2) joined by a union (3). Each verge member has a pair of flanges (5, 7) and a pair of channels (9, 10) defining two spaces (17, 18) for receiving the edges of the slates. The channels (9, 10) are disposed symmetrically between the flanges (5, 7) but one of the flanges has a portion (6) which results in the space (17) being narrower than the space (18), so that the verge member can be used with slates of different thicknesses. The union (3) joins together the verge members (1, 2) in such a way that the channels (9) being used are connected in a waterproof manner. The union (3) thus comprises an upstream portion (30) which underlies the channel (9) of the verge member (2) up the roof, and a downstream portion (31) which overlies the channel (9) of the verge member (1) down the roof, the portions (30, 31) being joined by a wall (32) extending between the ends of the two channels (9). |
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DETAILED DESCRIPTION The invention resulting from the above-mentioned non-public investigations includes both a unique roof verge member and a unique union.
As regards the union, a simple construction has been devised which will permit the joining of two downwardly inclined lengths of water conducting members.
Viewed generally from one aspect, this union for two longitudinally aligned, downwardly inclined, water conducting members comprises a first portion underlying the lower surface of the upper member, the first portion extending from a point longitudinally spaced from the lower free end of the upper member to such lower free end; a second portion overlying the upper surface of the lower member, the second portion extending from the upper free end of the lower member to a point longitudinally spaced from such upper free end, and a wall which interconnects the first and second channel wall portions and passes between the respective free ends of the two members.
An important point about such as arrangement is that it is for use in joining two inclined members.
In use, water flowing down the upper member will encounter the wall interconnecting the channel wall portions, thus forming a dam.
It will then flow over the dam portion and down onto the lower member so as to continue flowing downwardly.
In the absence of solvent welding or other sealing means, there will also be a tendency for water to seep down between the free end of the upper member and the dam portion.
This however cannot escape immediately since it encounters the first portion of the union which underlies the upper member.
It will then tend to flow back between this first portion of the union and the upper member.
However, because the members are inclined, the direction of this flow is uphill.
Providing the first union portion is sufficiently long, having regard to e.
g.
the inclination angle, the anticipated flow and the height of the dam portion, it can be so arranged that no water reaches the end of the first portion and escapes from the union
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