Attic Hardboard Insulation

Attic space can be used for storage but only if you build an elevated platform above the insulation.

Attic hardboard insulation.

The attic insulation where air entering the soffit vents flows through the attic insulation. Rockwool comfortbatt is a semi rigid stone wool batt rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations. When installing a raised top plate place a band joist at the open joist cavities of the roof framing. Otherwise the insulation gets compressed or kicked around which diminishes its r value.

In this case you have a choice of several prescriptive materials approved by the code as ignition barriers. In the photo at left the kneewall is the short wall with the door in it. Most ceilings are made of 1 2 drywall. 1 5 mineral fiber insulation.

Smartshield 3mm 16 x50ft reflective insulation roll foam core radiant barrier thermal insulation shield commercial grade 16 x50 4 6 out of 5 stars 394 39 99 39. Foamular extruded polystyrene xps rigid foam insulation offers foamular extruded polystyrene xps rigid foam insulation offers a comprehensive line of products in a wide choice of sizes thicknesses and edges with a lifetime limited warranty for the life of the home or building. Attic living space seal hardboard cathedral ceiling insulation techniques. The contractor removed it and suggested to replace it with a 3 inch hardboard insulation and 5 5 inch rockwool on the rafters.

I had open cell spray foam insulation in my attic and after 8 months it still had a chemical smell i posed about this on this forum. The band joist helps prevent windwashing. But the spray foam is still exposed to the attic and needs an ignition barrier. Yesterday i was doing a home energy rating for quality assurance in augusta georgia and the house i was in had a bonus room.

You can build an airtight entry attic but you should know that the more it is used the leakier it gets. Insulation our building science makes insulation br smarter. The products are easy to handle score cut and install and no special tools are needed. It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill.

Adding an inch of hardboard insulation to the outside of the studs in the pacific nw does not provide enough insulating value to keep the temperatures inside the wall above the dew point so it is inevitable that this arrangement will cause condensation within the wall space. Its expert engineering lets you create the most comfortable environment without compromising your design. From schools to businesses to family homes our insulation works everywhere. Also attic access hatches are notoriously leaky.