Framing Gable and Shed Dormers Plattsburgh NY

Whenever adding any type of dormer in Plattsburgh, 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

Reed David Contr
(518) 561-4068
477 Durand Rd
Plattsburgh, NY
Hampstead Remodeling Inc
(631) 751-7582
5 Gables Blvd
Setauket, NY
Illuminating Enterprises Inc
(631) 543-3500
25 Washington Blvd
Smithtown, NY
Classic Kitchen & Bath Spl
(516) 827-0966
62 Briar Ln
Jericho, NY
Roofing J G
(718) 984-7836
405 Robinson Ave
Staten Island, NY
R. West & Sons, Llc
802-324-2910
North Hero, VT
Jr Solutions Llc
(914) 681-5136
25 Shaw Pl
Hartsdale, NY
Mister Michaels
(631) 474-2800
72 Miller Ave
Port Jefferson Station, NY
Dormers Express Inc
(631) 376-9297
145 Sunrise Hwy
Lindenhurst, NY
Zandri Construction Corp
(518) 432-3986
329 State St
Albany, 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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