US2006037259A1PendingUtilityA1

Roof vent and method for installation

32
Individually held — no corporate assignee on recordPriority: Aug 17, 2004Filed: Aug 17, 2004Published: Feb 23, 2006
Est. expiryAug 17, 2024(expired)· nominal 20-yr term from priority
Inventors:G. Leonard West
E04D 13/17F24F 7/02E04D 13/1476
32
PatentIndex Score
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Claims

Abstract

A roof ventilation apparatus for a sloped roof having a cap and base plate is provided. The cap has a top surface and a bottom surface. The bottom surface has a flange that defines an opening to a cavity formed between the top and bottom cap surface. The cavity provides a path for air exchange from a roof opening through an air passage formed between the flange and cap top. The base plate has a flange surrounding a rim that fits inside the cap bottom cavity. The base plate preferably is shaped such that when installed on the sloped roof the cap entirely covers the base plate. Alternatively, a roof vent base plate with a flange having an angled edge configured to channel moisture is described. In addition, a method of installing a roof ventilation apparatus having a base plate and roof cap on a sloped roof is described.

Claims

exact text as granted — not AI-modified
1 . A roof ventilation apparatus configured and arranged to be installed on a sloped roof having an opening therethrough, the roof ventilation apparatus comprising: 
 a cap having a top surface and a bottom surface, the top surface configured to cover at least a portion of the roof opening, the bottom surface having a flange defining an opening to a cavity formed between the top and bottom cap surface, the flange extending outward relative to the cavity, the cavity configured to provide a path for air exchange from the roof opening through an air passage formed between the flange and the cap top; and    a base plate having a flange surrounding a rim, the rim being shaped such that the rim fits inside the cap bottom cavity, the base plate being shaped such that when installed on the sloped roof the cap entirely covers the base plate.    
   
   
       2 . The roof ventilation apparatus of  claim 1  wherein the base plate flange is substantially planar and extending outward from the rim.  
   
   
       3 . The roof ventilation apparatus of  claim 1  wherein the base plate rim extends substantially perpendicular from the base plate flange.  
   
   
       4 . The roof ventilation apparatus of  claim 1  wherein the base flange has dubbed corners such that when installed on a sloped roof, the dubbed corners can be oriented towards a roof ridge.  
   
   
       5 . The roof ventilation apparatus of  claim 1  wherein the base plate and vent cap are prepared from galvanized steel.  
   
   
       6 . The roof ventilation apparatus of  claim 1  wherein the base plate and vent cap are prepared from a flexible, durable, and weather resistant material.  
   
   
       7 . A roof vent base plate that is operatively configured to be installed on a sloped roof having an opening therethrough, the roof vent base plate comprising: 
 a flange having at least one angled edge, the flange surrounding a rim, the rim being shaped such that the rim fits inside a cap cavity.    
   
   
       8 . The roof vent base plate of  claim 7  wherein the at least one angled edge comprises dubbed corners configured and arranged to be oriented towards a roof ridge.  
   
   
       9 . The roof vent base plate of  claim 7  wherein the at least one angled edge comprises peaked corners configured and arranged to be oriented towards a roof ridge.  
   
   
       10 . The roof vent base plate of  claim 7  wherein the at least one angled edge comprises a curved edge configured and arranged to be oriented towards a roof ridge.  
   
   
       11 . A method of installing a roof ventilation apparatus on a sloped roof having an opening therethrough, comprising steps of: 
 mounting a base plate to a sloped roof deck or roof sheathing;    fixing roofing paper having an opening therethrough over the base plate;    nailing a roof vent cap over the rim of the base plate; and    fitting shingle courses over a flange of the base plate in a manner such that only the roof vent cap is exposed.    
   
   
       12 . The method of  claim 11  further comprising a step of sealing the rim of the base plate with a bead of caulk.

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