Reading A Roof Plan

In this mini series we re going to cover construction blueprints from start to finish.

Reading a roof plan. Roof plans a roof plan is used to show the shape of the roof. Select the blueprint you wish to measure. The first thing to check is what scale the roof is drawn in. Open the app and select measure your roof select sketch my roof retrieve your blueprint image by tapping load then selecting the source of the file i e your email dropbox etc.

The next thing to determine is the roof pitch see how to determine roof pitch the easiest and most accurate method to measuring a roof plan is to square everything off. Read the roof framing plan. Roof plans are typically drawn at a scale smaller than the scale used for the floor plan. If you only have a roof plan and no elevation or foundation plans then you will have no way to verify the scale.

These pages will indicate the layout for joists rafters trusses bar joists or other roof framing members as well as decking and roofing details. A scale of 1 8 1 0 or 1. There are often reference points that are used between professionals and sets of drawings. How to measure residential roof plans.

The roof below is drawn in 1 8 scale this means that if using a regular tape measure that 1 inch would equal 8 feet. Materials such as the roofing material vents and their location and the type of underlayment are also typically specified on the roof plan as seen in figure 20 3. Read the plan cover sheet. In this tutorial i will explain how to draw and draft a hip roof plan.

To accurately measure a roof plan one of first things to verify is the scale the plan is drawn with. Showing you guys everything you need to know along the way. I use autocad to do this but you can use any 2d drafting package or even pen or penc. You will have to obtain additional plans or proceed with the scale given and make a note such as scale not verified.

In this drawing a 1 8 scale ruler is being used. In conclusion if you are in the construction industry knowing how to read construction plans is an absolute must to do your job. It might also include a drawing of the finished product.