How To Insuate Attic Of Old House
How to insulate an old house.
How to insuate attic of old house. Lay batts of un faced 9 inch thick fiberglass insulation perpendicularly across the joists. We all know that hot air rises as cool air sinks to a low level. Fill the gaps your insulated attic isn t necessarily a sealed attic. Pull out a small amount of insulation if needed to help determine the type of insulation.
You should be able to see if there is insulation in the wall and possibly how thick it is. Lay the batts across the ceiling joists covering the existing insulation. Why the attic is key 1. Let s apply this knowledge to your.
Replace or add water resistant flashing. Dump cellulose insulation into each joist bay and spread it evenly with a leaf rake. This old house general contractor tom silva shows affordable ways to create an energy efficient attic how to know what insulation is behind your walls if you live in an older home understanding what pads your walls is essential to keeping your family safe. Use caulk and expanding foam the fire blocking type sealant to close air gaps around pipes ducts and electrical wires where they enter the attic.
More insulation installation tricks and tips work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just. Cut and fit strips of 24 gauge sheet metal between the masonry chimney and the surrounding wood framing. Check outlets on all floors as well as old and new parts of your house. Since warm air has a tendency to rise and cool air to fall insulating the attic is the place to start.
If you ve tried everything else and are determined to insulate the walls of an old house follow these tips to minimize risk. Remove weather barrier and cladding before drilling holes. If the attic is unfinished the insulation should be installed on the floor. Use the fire blocking type.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Blow in loose. Before you begin the installation of insulation. If the attic is used as a living space say a home office or play room the insulation should be placed between the rafters.
Replace single pane windows with energy efficient windows. Before installing or adding attic insulation take these steps.