How To Place Styrofoam Around Garage Floor

I am trying to figure out whether how to air seal the gap between my garage floor and drywall in my 12 year old three story townhouse in zone 2a.

How to place styrofoam around garage floor.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. The gap is generally 1 2 wide however in many places it s less. It is denser than eps and provides more r value with a rating of 5 per inch of thickness. This foam board insulation is available with straight or tongue and groove edges to help limit air movement.

The foam insulation and two layers of plywood can add as much as 2 inches of height to the garage floor. The climate the type of foundation whether the slab includes hydronic tubing for radiant heat and the severity of the local termite problem. Insulate your garage to reduce energy bills and protect your garage against harsh outdoor. How to insulate a garage floor above a concrete slab.

Martin holladay explains insulating a slab on grade in the energy smart details department. Concrete is cold and hard but an insulated concrete slab can make a heated garage significantly warmer and more energy efficient. Place 2 inch thick pieces of rigid styrofoam insulation on top of the plastic sheeting. Dealing with the edges.

Using rigid foam insulation around the perimeter of the slab to minimize heat loss seems like an obvious step but whether to place insulation under the slab is another story. And yes it is a foam just like your beloved spray foam. The first step is to drill holes in the problem concrete. Foamular foamular 250 3 in.

When completed the entire slab area has a cover of rigid sheets of styrofoam. Geolift works in three steps. That decision may hinge on whether the slab is heated but there s no agreement on what building codes require if anything. Geolift works for driveways sidewalks patios garage floors even pool decks.

Place the insulation edge to edge using duct or other construction tape to hold the insulation together. The door shown in the photos leads to the first floor of the house. Geolift can help to lift existing concrete surfaces and fix those problem areas around your house with much less labor. Insulating a slab on grade depends on at least four factors.

Floor 1 garage 3 under slab 5 more ways to filter. This can be a problem if the garage will continue to be used to store vehicles since it leaves you with a substantially raised lip at the doorway to the garage.