Framing Gable and Shed Dormers Brewster NY

Whenever adding any type of dormer in Brewster, 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

Optimum
719 Old Route 9 North
Wappingers Falls, NY
All-Type Roofing & Siding Spec
(845) 831-6944
9 Summit St
Beacon, NY
Aardvark Remodeling, LLC
58 Maple Avenue
Danbury, CT
Jke Construction Corp
(845) 687-3260
609 Horsepound Rd
Carmel, NY
Bdw Roofing Llc
(914) 218-8820
153 E Main St # D5
Mt Kisco, NY
ABOVEALL ROOFING INC.
203-426-0646
4 Papoose Hill road
Newtown, CT
Trevek Enterprises Inc
(845) 621-3763
197 E Lake Blvd
Mahopac, NY
Heritage Roof Renovations Llc
(203) 364-9833
45 Surgar Lane
Newtown, CT
Peekskill Seamless Gutters, Inc.
(914) 403-0524
110 Washington Street
Peekskill, NY
JKE Construction Corp.
(845) 721-0772
609 Horsepound Road
Carmel, 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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