How To Read Roofing Blueprints

How to measure residential roof plans.

How to read roofing blueprints.

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. When construction plans are scaled it helps to put the part into a print size drawing that is easily read by the crew. Step 1 read the title block. Construction plans blueprints are scaled down representations of the final project at a ratio of the actual size.

If you are involved in any serious construction work you will want to make sure to read it all thoroughly. These often appear at the beginning of any blueprints. The first thing to check is what scale the roof is drawn in. This symbol displays two numbers a rise and a run.

Here s a step by step guide to measuring with blueprints. This step 2 read the revision block. Roof pitches are always expressed with 12 run. I guess square feet x pitch factor would also work the same.

For example 1 8 1 one eighth inch equals one foot. This clip teaches how to read a blueprint. Typically a set of house plans will include four elevation drawings one for each of the front rear and two sides of the house. Typical roof pitches are 6 12 12 12 in pitch and are called out on every elevation of the house corresponding to the pitch on the roof plan.

What this means is for every 12 of rise there is 12 of run. 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. If the roof is a very simple dormer or hip roof with no valleys then you d take width x pitch factor x length squares. Any time changes to a building system component are made.

Please try again later. The title block s first section lists the blueprint s name number as well as the location site or vendor 1 x research source if the drawing is part of a series this information will also be listed. In this drawing a 1 8 scale ruler is being used. When deciphering a set of house blueprints you should look first at the elevation views these views will give you an overall idea of what the exterior of the finished house will look like.

Select the blueprint you wish to measure. This feature is not available right now.