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Project Questionnaire

Estimate for Injecting the Closed Roof Cavities

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In order to make gathering the information and answering these questions easier we have published the questions to a document you can download. There are two ways to download the document.

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This is a general listing and some of these questions may not apply to your project.  Please tell us the answers to only the questions that are relevant to your project.

If you are giving us length and heights of walls or roof areas, please include information about window and door sizes

  • Please provide dimensions or the square footage of the roof areas

  • Is the installation to be done from the inside or outside?

  • Are the roof areas all open, closed cavity, or some of both?

  • Is there a specification for the R-Value for the roof? What R-Value do you want?

  • Are there high moisture levels and from what source?

  •  What are your plans for vapor control? (Polyethylene, dehumidification, ect.) See for more information

  •  Are there roof ventilation systems that need to be considered for the roof installation? See for more information

  •  Which areas are cathedral roofs, which are attics, etc.?

  •  How high is the peak of the roof slope from the floor?

  • What is the roof pitch in each area?

  •  Are the slopes sheathed or open behind the knee-walls?

  •  Is access to all of the attics and knee-wall spaces available?

  •  In the top floor do you want to do the knee-walls and attic floor behind the walls or just the slopes?

  •  What is the framing size (Available cavity thickness)?

  •  What is the inside finish (lath and plaster, sheet rock, open, etc.)?

  •  Are there recessed lights and/or fans in the ceilings?

  •  Are there skylights in the roof? What are the sizes of the skylights?