Hot Roof Design Roxul

Bonnet roofing systems are basically a mansard roof backwards.

Hot roof design roxul.

Roxul safe lightweight semi rigid stone wool insulation for fire and sound. If you don t want to use sips or nailbase read this article tolearn the four basic approaches to insulating unvented roof assemblies. Insulating unvented roof assemblies. The r value measures how well insulation is able to resist heat going through it.

Hot roof designs for un vented roofs aka dense packed insulated sloped roofs. This article series about roof and ceiling ventilation describes. Martin s post focuses on the marketing of owens corning 039 s propink unvented attic insulation system. Roxul safe 45 is a semi rigid stone wool insulation board that is specifically engineered as a fire blocking material for concealed spaces of multi unit residential buildings.

Hot roof design hood roof. We re big fans of fine homebuilding. We agree that avoiding sheathing rot is critical and that air permeable insulation such as fiberglass or cellulose cannot be used alone. Used as a roof insulation or insulating cover board over other insulations rockwool toprock dd is a high density stone wool insulation board for low slope roofs.

Perks of a hot roof. Likewise referred to as kicked eaves a hood roof has 4 sides with a high top incline as well as a much more mild reduced incline offering cover around the sides of your home for a veranda. Foam free don t stay stuck in the sci finightmare of foam foam foam. The bigger the r value the better it will insulate your home.

Meadowlark builders co founder doug selby explains what a hot roof is and how it can be used in the design of a passive solar home. Using roxul safe 45 with our rockwool batt insulation creates a high density party wall system that improves sound dampening and fire performance. In the most recent issue of fine homebuilding martin holladay wrote a piece on insulating unvented roof assemblies. However you may not be familiar with these concepts particularly what they mean and the pros and cons of each.

A hot roof contains the highest r value because there are no chances for air to leak. The unit of measurement for insulation is called the r value. Unvented roof assemblies should be insulated either with air impermeable insulation rigid foam or spray polyurethane foam or with a combination of foam and air permeable insulation.