Framing Gable and Shed Dormers Fredonia NY

Whenever adding any type of dormer in Fredonia, 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

Bernett Lester
(716) 672-7103
19 Bernett Dr
Fredonia, NY
Fjb Associates Clearwater
(518) 782-1769
12 Avis Dr
Latham, NY
Skyview Home Remodeling Inc
(845) 838-4735
1984 Route 9D
Wappingers Falls, NY
Tni Home & Wellness Solutions
(718) 323-1636
12415 Rockaway Blvd
Jamaica, NY
Triple A Exteriors Inc
(516) 355-2215
26 Willow Rd
New Hyde Park, NY
Cope Builders
(716) 679-1505
3335 S Roberts Rd
Fredonia, NY
Pro Home Repair
(716) 672-7662
31 E Main St
Fredonia, NY
Lpd Custom Builders
(631) 728-3374
148 E Montauk Hwy
Hampton Bays, NY
Rosner Lester N
(516) 599-3444
209 Sunrise Hwy
Lynbrook, NY
About Space
(518) 893-2004
115 Squashville Rd
Greenfield Center, NY

Provided By:

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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