The solid base allows you to store items in the attic , as well as to walk. If your attic has flooring atop the joists, you may need to remove some of the flooring planks before you can blow insulation into the joist cavities. Select pieces that will allow you to access most of the spaces in between the joists.
Blow insulation between the ceiling joists (Figure 5). The sections are lightweight, easy to handle and resemble floor grates that provide plenty of ventilation for insulation below. Between the floor joists, where cellulose and fiberglass insulation is traditionally use spray foam is also applied.
In an unfinished attic , the goal of insulation is to keep the rooms below cool in summer and warm in winter. That means insulating the attic floor only—not the walls—and having vents in the roof. This guide to proper attic insulation includes tips on vent areas, gaps, right side up, puckers, loose or compressed insulation , animal nests, mol mildew and rusty nails.
The illustration above shows all the areas of the home where there should be insulation. The numbered areas shown in the illustration are as follows: 1. In unfinished attic spaces, insulate between and over the floor joists to seal off living spaces below. How to Put Plywood Flooring Before putting the flooring in, construct a riser in the attic of 2″x 4″s.



