marchitects home alterations

Consider the size of the dormer in relation to the size of the roof slope. A large dormer can lead to structural complications in the design of trimming members to the existing roof, and in certain cases the introduction of steelwork. A more conservative approach can prove to be the most economic. www.marchitectsltd.com

Consider what kind of window you wish to install to the Dormer. As a minimum they should be fully reversible for safe cleaning from the inside. No fixed panes. The cill height will be dictated by safety too and if applicable whether the window is an escape type or not. www.marchitectsltd.com

Designing a flat roof to a dormer may be unavoidable because of the proximity of the existing ridge. Although three layer felt is the most economic option it will need to be maintained over its 10 year lifespan. Consider alternatibes like single ply or sheet metal. www.marchitectsltd.com