Framing Gable and Shed Dormers Oneonta NY

Whenever adding any type of dormer in Oneonta, it's essential to determine the roof load and design the load path transfer to the existing floor joists or roof rafters. Then you can ensure adequate bearing points, or add framing and install beams to carry the loads through the walls down to the foundation. It wouldn't be a bad idea to consult a structural engineer for guidance, especially on larger dormers.

Local Companies

Morley Ralph J Inc
(607) 432-3823
5 Lewis St
Oneonta, NY
New Look Contracting
(631) 244-8540
1506 Louis Kossuth Ave
Bohemia, NY
Homeover Contrctng Inc
(914) 478-0500
495 Warburton Ave
Hastings On Hudson, NY
Kmgh Home Improvements
(516) 771-5131
1758 Roberta Ln
Merrick, NY
Certified Home Developers Inc
(718) 224-1340
226 Ridge Rd
Douglaston, NY
Dundee Brook Co
(607) 433-2696
22 S Belmont Cir
Oneonta, NY
Qfi Inc
(914) 699-8078
12 E 3rd St
Mount Vernon, NY
Delaurentis Carpentry
(914) 592-1584
20 S Stone Ave
Elmsford, NY
Capizzi Construction Corp
(914) 722-0521
107 Gaylor Rd
Scarsdale, NY
Bovee Construction
(845) 635-5131
1732 Main St
Pleasant Valley, NY
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Source: TOOLS OF THE TRADE Magazine
Publication date: July 11, 2006

By TOOLS OF THE TRADE Editors

Whenever adding any type of dormer, it's essential to determine the roof load and design the load path transfer to the existing floor joists or roof rafters. Then you can ensure adequate bearing points, or add framing and install beams to carry the loads through the walls down to the foundation. It wouldn't be a bad idea to consult a structural engineer for guidance, especially on larger dormers.

Gable Dormers

Gable dormers get their name from the gable roof covering them. These dormers are built perpendicular to the existing roof plane, with their ridges extending out from the existing roof. This means the sidewalls of the dormer bear and transfer the weight of the dormer rafters to the existing main roof rafters or the existing floor joists in the room/attic below. Which way you decide to support the dormer loads depends on the interior layout you're shooting for.

Bearing on the Rafters. My first choice is to install double or triple roof rafters on either side of the new dormer for the sidewalls to rest on. This eliminates the need to remove attic subflooring to insert additional joists. It also leaves the area beneath the common rafters uncluttered without any walls to interfere with open space and provides freedom to lay out partition walls later.

I locate the position of the dormer and do as much work as possible inside the attic before opening up the roof.

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